Utangulizi:
API 5L ni vipimo vya kawaida vilivyoanzishwa na Taasisi ya Petroli ya Amerika (API) kwa bomba la chuma na lenye svetsade linalotumiwa katika mifumo ya usafirishaji ndani ya viwanda vya petroli na gesi asilia. Chuma cha wanawake, mtengenezaji anayeongoza wa bomba la mstari wa API 5L, hutoa anuwai ya bidhaa ambazo zinafikia darasa na maelezo anuwai. Nakala hii inatoa kulinganisha kwa kina ya muundo wa kemikali, mali ya mitambo, na viwango vya upimaji wa darasa tofauti za API 5L, wote PSL1 na PSL2 kwa aina tatu za bomba: ERW (upinzani wa umeme), LSAW (longitudinal iliyoingizwa arc svetsade), na SMLS (seamless).
Uwezo wa uzalishaji na anuwai:
制造方法 | 钢级起 | 钢级止 | 外径起 OD Min mm | 外径止 | 壁厚起 | 壁厚止 | 生产能力 |
Smls | B | X80q | 33.4 | 457 | 3.4 | 60 | 200000 |
HFW | B | X80m | 219.1 | 610 | 4.0 | 19.1 | 200000 |
Sawl | B | X100m | 508 | 1422 | 6.0 | 40 | 500000 |

Uvumilivu wa kipenyo cha nje
标准 | 外径范围 | 外径公差 | 椭圆度 | ||||
管体 | 管端 | 管体 | 管端 | ||||
无缝 | 焊管 | 无缝 | 焊管 | 无缝 | 焊管 | ||
API maalum Kwa hivyo 3183 | D <60.3mm | +0.4mm/-0.8mm | +1.6mm/-0.4mm | ||||
60.3mm≤d≤168.3mm | +0.75%/-0.75% | ≤2.0% | ≤1.5% | ||||
168.3mm | +0.5%/-0.5% | ||||||
320mm | +1.6mm/-1.6mm | ||||||
426mm | +0.75%/-0.75% | +3.2mm/-3.2mm | |||||
610mm | +1.0%/-1.0% | +0.5%/-0.5% | ± 2.0mm | ± 1.6mm | ≤1.5% | ≤1.0% | |
800mm | +4mm/-4mm | ||||||
1000mm | +1.0%/-1.0% | +4mm/-4mm | ≤15mm | ≤1.0% | |||
1300mm | +1.0%/-1.0% | +4mm/-4mm | ≤15mm | ≤13mm |
Kumbuka: D ni kipenyo cha nje cha bomba.
Uvumilivu wa unene wa ukuta
标准 | 外径范围 | 壁厚范围 | 壁厚公差 | 壁厚公差 |
无缝 | 焊管 | |||
API maalum ISO 3183 | - | T≤4.0mm | +0.6mm/-0.5mm | +0.5mm/-0.5mm |
- | 4.0mm | +15%/-12.5% | ||
- | 5.0mm | +10%/-10% | ||
- | 15.0mmst <25.0mm | +1.5mm/-1.5mm | ||
- | 25.0mm≤t <30.0mm | +3.7mm/-3.0mm | ||
- | 30.0mm≤t <37.0mm | +3.7mm/-10.0% | ||
- | T≥37.0mm | +10.0%/-10.0% |
Uchambuzi wa kemikali
标准 | 钢管种类 | 等级 | 钢级 | C | Si | Mn | P | S | V | Nb | T | CE | PCM | 备注 |
max | max | max | max | max | max | max | max | max | max | |||||
API SPEC 5L | 无缝管 | PSL1 | L210 au a | 0.22 |
| 0.90 | 0.030 | 0.030 |
|
|
|
|
| e,o |
L245 au b | 0.28 |
| 1.20 | 0.030 | 0.030 |
|
|
|
|
| c, d, e, o | |||
L290 au x42 | 0.28 |
| 1.30 | 0.030 | 0.030 |
|
|
|
|
| de, o | |||
L320 au x46 | 0.28 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
L360 au x52 | 0.28 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
L390 au x56 | 0.28 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e,o | |||
L415 au x60 | 0.28 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
L450 au x65 | 0.28 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| DE,o | |||
L485 au x70 | 0.28 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
PSL2 | L245N au BN | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 |
|
| 0.04 | 0.43 | 0.25 | c, f, o | ||
L290N au X42N | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | 0.43 | 0.25 | f, o | |||
L320N au X46N | 0.24 | 0.40 | 1.40 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | 0.43 | 0.25 | d, f, o | |||
L360N au X52N | 0.24 | 0.45 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 | 0.43 | 0.25 | d, f, o | |||
L390N au X56N | 0.24 | 0.45 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 | 0.43 | 0.25 | d, f, o | |||
L415N au X60N | 0.24 | 0.45 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 | Kama ilivyokubaliwa | d, g, o | ||||
L245Q au BQ | 0.18 | 0.45 | 1.40 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 | f, o | |||
L290Q au X42Q | 0.18 | 0.45 | 1.40 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 | f, o | |||
L320Q ORX46Q | 0.18 | 0.45 | 1.40 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 | f, o | |||
13600 au × 52q | 0.18 | 0.45 | 1.50 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 | f, o | |||
L390Q au X56Q | 0.18 | 0.45 | 1.50 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 | 0.43 | 0.25 | d, f, o | |||
L415Q au X60Q | 0.18 | 0.45 | 1.70 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, g, o | |||
L450Q au X65Q | 0.18 | 0.45 | 1.70 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, g, o | |||
L485Q au X70Q | 0.18 | 0.45 | 1.80 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, g, o | |||
L555Q au x80q | 0.18 | 0.45 | 1.90 | 0.025 | 0.015 |
|
|
| Kama ilivyokubaliwa | h, i | ||||
酸性服 | L245NS au BNS | 0.14 | 0.40 | 1.35 | 0.020 | 0.008 |
|
| 0.04 | 0.36 | 0.22 | C, D, J, K. | ||
L290NS au X42NS | 0.14 | 0.40 | 1.35 | 0.020 | 0.008 | 0.05 | 0.05 | 0.04 | 0.36 | 0.22 | j, k | |||
L320NS au X46NS | 0.14 | 0.40 | 1.40 | 0.020 | 0.008 | 0.07 | 0.05 | 0.04 | 0.38 | 0.23 | DJ, k | |||
L360ns au x52ns | 0.16 | 0.45 | 1.65 | 0.020 | 0.008 | 0.10 | 0.05 | 0.04 | 0.43 | 0.25 | d, j, k | |||
L245QS au BQS | 0.14 | 0.40 | 1.35 | 0.020 | 0.008 | 0.04 | 0.04 | 0.04 | 0.34 | 0.22 | j, k | |||
L290QS au X42QS | 0.14 | 0.40 | 1.35 | 0.020 | 0.008 | 0.04 | 0.04 | 0.04 | 0.34 | 0.22 | j, k | |||
L320QS au X46QS | 0.15 | 0.45 | 1.40 | 0.020 | 0.008 | 0.05 | 0.05 | 0.04 | 0.36 | 0.23 | j, k | |||
L360QS au X52QS | 0.16 | 0.45 | 1.65 | 0.020 | 0.008 | 0.07 | 0.05 | 0.04 | 0.39 | 0.23 | d, j, k | |||
L390QS au X56QS | 0.16 | 0.45 | 1.65 | 0.020 | 0.008 | 0.07 | 0.05 | 0.04 | 0.40 | 0.24 | d, j, k | |||
L415QS au X60QS | 0.16 | 0.45 | 1.65 | 0.020 | 0.008 | 0.08 | 0.05 | 0.04 | 0.41 | 0.25 | DJ, k | |||
L450QS au X65QS | 0.16 | 0.45 | 1.65 | 0.020 | 0.008 | 0.09 | 0.05 | 0.06 | 0.42 | 0.25 | d, j, k | |||
L485QS au X70QS | 0.16 | 0.45 | 1.65 | 0.020 | 0.008 | 0.09 | 0.05 | 0.06 | 0.42 | 0.25 | d,j, k |
标准 | 钢管种类 | 等级 | 钢级 | C | Si | Mn | P | S | V | Nb | Ti | CEA | PCM | 备注 |
max | max | max | max | max | max | max | max | max | max | |||||
AP | SPEC 5L | 无缝管 | 海上服 | L245no au bno | 0.14 | 0.40 | 1.35 | 0.020 | 0.010 |
|
| 0.04 | 0.36 | 0.22 | c, d, i, m |
L290no au x42no | 0.14 | 0.40 | 1.35 | 0.020 | 0.010 | 0.05 | 0.05 | 0.04 | 0.36 | 0.22 | l, m | |||
L320no au x46no | 0.14 | 0.40 | 1.40 | 0.020 | 0.010 | 0.07 | 0.05 | 0.04 | 0.38 | 0.23 | d, i, m | |||
L360no au x52no | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.10 | 0.05 | 0.04 | 0.43 | 0.25 | d, i | |||
L245QO au BQO | 0.14 | 0.40 | 1.35 | 0.020 | 0.010 | 0.04 | 0.04 | 0.04 | 0.34 | 0.22 | l, m | |||
L290QO au X42Q0 | 0.14 | 0.40 | 1.35 | 0.020 | 0.010 | 0.04 | 0.04 | 0.04 | 0.34 | 0.22 | l, m | |||
L320QO au X46QO | 0.15 | 0.45 | 1.40 | 0.020 | 0.010 | 0.05 | 0.05 | 0.04 | 0.36 | 0.23 | l, m | |||
L360QO au X52QO | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.07 | 0.05 | 0.04 | 0.39 | 0.23 | d, i, n | |||
L390QO au X56Q0 | 0.15 | 0.45 | 1.65 | 0.020 | 0.010 | 0.07 | 0.05 | 0.04 | 0.40 | 0.24 | d, i, n | |||
L415QO au X60QO | 0.15 | 0.45 | 1.65 | 0.020 | 0.010 | 0.08 | 0.05 | 0.04 | 0.41 | 0.25 | d, i, n | |||
L455QO au X65QO | 0.15 | 0.45 | 1.65 | 0.020 | 0.010 | 0.09 | 0.05 | 0.06 | 0.42 | 0.25 | d, i, n | |||
L485Q0 au X70Q0 | 0.17 | 0.45 | 1.75 | 0.020 | 0.010 | 0.10 | 0.05 | 0.06 | 0.42 | 0.25 | d, l, n | |||
L555qo au x80qo | 0.17 | 0.45 | 1.85 | 0.020 | 0.010 | 0.10 | 0.06 | 0.06 | Kama ilivyokubaliwa | d, i, n | ||||
焊管 | PSL1 | L245 au b | 0.26 |
| 1.20 | 0.030 | 0.030 |
|
|
|
|
| CD, E,c | |
L290 ORX42 | 0.26 |
| 1.30 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
L320 ORX46 | 0.26 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e,o | |||
L360 au x52 | 0.26 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
L390 ORX56 | 0.26 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
L415 ORX60 | 0.26 |
| 1.40 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
L450 au x65 | 0.26 |
| 1.45 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
L485 au x70 | 0.26 |
| 1.65 | 0.030 | 0.030 |
|
|
|
|
| d, e, o | |||
PSL2 | 1245m au BM | 0.22 | 0.45 | 1.20 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 | f, o | ||
L290M au X42M | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 | f, o | |||
L320M au X46M | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 0.43 | 0.25 | f, o | |||
L360M au X52M | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, f, o | |||
L390M au X56M | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, f, o | |||
L415M au X60M | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, g, o | |||
L450M au X65M | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, g, o | |||
L485M au X70M | 0.12 | 0.45 | 1.70 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, g, o | |||
L555m au x80m | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 |
|
|
| 0.43 | 0.25 | d, g, o |
标准 | 钢管种类 | 等级 | 钢级 | C | Si | Mn | P | S | V | Nb | T | CEA | PCM | 备注 |
max | max | max | max | max | max | max | max | max | max | |||||
API SPEC 5L | 焊管 | 酸性服 | L245MS au BMS | 0.10 | 0.40 | 1.25 | 0.020 | 0.002 | 0.04 | 0.04 | 0.04 |
| 0.19 | j, k |
L290MS au X42MS | 0.10 | 0.40 | 1.25 | 0.020 | 0.002 | 0.04 | 0.04 | 0.04 |
| 0.19 | j, k | |||
L320ms au x46ms | 0.10 | 0.45 | 1.35 | 0.020 | 0.002 | 0.05 | 0.05 | 0.04 |
| 0.20 | j, k | |||
L360MS au X52MS | 0.10 | 0.45 | 1.45 | 0.020 | 0.002 | 0.05 | 0.06 | 0.04 |
| 0.20 | j, k | |||
L390MS au X56MS | 0.10 | 0.45 | 1.45 | 0.020 | 0.002 | 0.06 | 0.08 | 0.04 |
| 0.21 | d, j, k | |||
L415MS au X60MS | 0.10 | 0.45 | 1.45 | 0.020 | 0.002 | 0.08 | 0.08 | 0.06 |
| 0.21 | d, j, k | |||
L450MS au X65MS | 0.10 | 0.45 | 1.60 | 0.020 | 0.002 | 0.10 | 0.08 | 0.06 |
| 0.22 | d, j, k | |||
L485MS au X70MS | 0.10 | 0.45 | 1.60 | 0.020 | 0.002 | 0.10 | 0.08 | 0.06 |
| 0.22 | DJ, k | |||
海上服 | L245MO au BMO | 0.12 | 0.40 | 1.25 | 0.020 | 0.010 | 0.04 | 0.04 | 0.04 |
| 0.19 | l, m | ||
L290MO au x42mo | 0.12 | 0.40 | 1.35 | 0.020 | 0.010 | 0.04 | 0.04 | 0.04 |
| 0.19 | l, m | |||
L320mo au x46mo | 0.12 | 0.45 | 1.35 | 0.020 | 0.010 | 0.05 | 0.05 | 0.04 |
| 0.20 | I, m | |||
L360mo au x52mo | 0.12 | 0.45 | 1.65 | 0.020 | 0.010 | 0.05 | 0.05 | 0.04 |
| 0.20 | d, i, n | |||
L390mo au x56mo | 0.12 | 0.45 | 1.65 | 0.020 | 0.010 | 0.06 | 0.08 | 0.04 |
| 0.21 | d, l, n | |||
L415mo au x60mo | 0.12 | 0.45 | 1.65 | 0.020 | 0.010 | 0.08 | 0.08 | 0.06 |
| 0.21 | d, i, n | |||
L450mo au x65mo | 0.12 | 0.45 | 1.65 | 0.020 | 0.010 | 0.10 | 0.08 | 0.06 |
| 0.222 | d, i, n | |||
L485mo au x70mo | 0.12 | 0.45 | 1.75 | 0.020 | 0.010 | 0.10 | 0.08 | 0.06 |
| 0.22 | d, l, n | |||
L555mo au x80mo | 0.12 | 0.45 | 1.85 | 0.020 | 0.010 | 0.10 | 0.08 | 0.06 |
| 0.24 | d, i, n |

标准 | 等级 | 钢级 |
| 屈服强度 | 抗拉强度 | 延伸率 | 屈强比 | 焊缝抗拉强度 |
API SPEC 5L | PSL1 | L210 au a | Min | 210 | 335 | a |
| 335 |
L245 au b | Min | 245 | 415 | a |
| 415 | ||
L290 au x42 | Min | 290 | 415 | a |
| 415 | ||
L320 au x46 | Min | 320 | 435 | a |
| 435 | ||
L360 au x52 | Min | 360 | 460 | a |
| 460 | ||
L390 au x56 | Min | 390 | 490 | a |
| 490 | ||
L415 au x60 | Min | 415 | 520 | a |
| 520 | ||
L450 au x65 | Min | 450 | 535 | a |
| 535 | ||
L485 au x70 | Min | 485 | 570 | a |
| 570 | ||
PSL2 | L245N au BN | Min | 245 | 415 | a |
| 415 | |
Max | 450 | 655 |
| 0.93 |
| |||
L290N au X42N | Min | 290 | 415 | a |
| 415 | ||
Max | 495 | 655 |
| 0.93 |
| |||
L320N au X46N | Min | 320 | 435 | a |
| 435 | ||
Max | 525 | 655 |
| 0.93 |
| |||
L360N au X52N | Min | 360 | 460 | a |
| 460 | ||
Max | 530 | 760 |
| 0.93 |
| |||
L390N au X56N | Min | 390 | 490 | a |
| 490 | ||
Max | 545 | 760 |
| 0.93 |
| |||
L415N au X60N | Min | 415 | 520 | a |
| 520 | ||
Max | 565 | 760 |
| 0.93 |
| |||
L450Q au X65Q | Min | 450 | 535 | a |
| 535 | ||
Max | 600 | 760 |
| 0.93 |
| |||
L485Q au X70Q | Min | 485 | 570 | a |
| 570 | ||
Max | 635 | 760 |
| 0.93 |
| |||
L555Q au x80q | Min | 555 | 625 | a |
| 625 | ||
Max | 705 | 825 |
| 0.93 |
| |||
L625M au X90M | Min | 625 | 695 | a |
| 695 | ||
Max | 775 | 915 |
| 0.95 |
| |||
L690M au X100M | Min | 690 | 760 | a |
| 760 | ||
Max | 840 | 990 |
| 0.97 |
| |||
L830m au x120m | Min | 830 | 915 | a |
| 915 | ||
Max | 1050 | 1145 |
| 0.99 |
标准 | 等级 | 钢级 |
| 屈服强度 | 抗拉强度 | 延伸率 | 屈强比 | 焊缝抗拉强度 |
API SPEC 5L | 酸性服 | L245NS au BNS | Min | 245 | 415 | a |
| 415 |
Max | 450 | 655 |
| 0.93 |
| |||
L290NS au X42NS | Min | 290 | 415 | a |
| 415 | ||
Max | 495 | 655 |
| 0.93 |
| |||
L320NS au X46NS | Min | 320 | 435 | a |
| 435 | ||
Max | 525 | 655 |
| 0.93 |
| |||
L360ns au x52ns | Min | 360 | 460 | a |
| 460 | ||
Max | 530 | 760 |
| 0.93 |
| |||
L390QS au X56QS | Min | 390 | 490 | a |
| 490 | ||
Max | 545 | 760 |
| 0.93 |
| |||
L415QS au X60QS | Min | 415 | 520 | a |
| 520 | ||
Max | 565 | 760 |
| 0.93 |
| |||
L450QS au X65QS | Min | 450 | 535 | a |
| 535 | ||
Max | 600 | 760 |
| 0.93 |
| |||
L485QS au X70QS | Min | 485 | 570 | a |
| 570 | ||
Max | 635 | 760 |
| 0.93 |
| |||
海上服 | L245no au bno | Min | 245 | 415 | a | - | 415 | |
Max | 450 | 655 |
| 0.93 |
| |||
L290no au x42no | Min | 290 | 415 | a |
| 415 | ||
Max | 495 | 655 |
| 0.93 |
| |||
L320no au x46no | Min | 320 | 435 | a |
| 435 | ||
Max | 520 | 655 |
| 0.93 |
| |||
L360no au x52no | Min | 360 | 460 | a |
| 460 | ||
Max | 525 | 760 |
| 0.93 |
| |||
L390QO au X56QO | Min | 390 | 490 | a |
| 490 | ||
Max | 540 | 760 |
| 0.93 |
| |||
L415QO au X60QO | Min | 415 | 520 | a | - | 520 | ||
Max | 565 | 760 |
| 0.93 |
| |||
L450qo au x65qo | Min | 450 | 535 | a | - | 535 | ||
Max | 570 | 760 |
| 0.93 |
| |||
L485Q0 au X70Q0 | Min | 485 | 570 | a |
| 570 | ||
Max | 605 | 760 |
| 0.93 |
| |||
L555qo au x80qo | Min | 555 | 625 | a |
| 625 | ||
Max | 675 | 825 |
| 0.93 |
Kumbuka: A: Kiwango cha chini cha kutumia equation ifuatayo: A1 = 1940*A0.2/U0.9
钢级 | 管体最小横向冲击功(1 (2) (3) | 焊缝最小横向冲击功(1 (2 (3) | |||||
D≤508 | 508mm <d | 762mm <d | 914mm <d | 1219mm <d | D <1422mm | D = 1422mm | |
≤l415 au x60 | 27 (20) | 27 (20) | 40 (30) | 40 (30) | 40 (30) | 27 (20) | 40 (30) |
> L415 au x60 | 27 (20) | 27 (20) | 40 (30) | 40 (30) | 54 (40) | 27 (20) | 40 (30) |
> L450 au x65 | 27 (20) | 27 (20) | 40 (30) | 40 (30) | 54 (40) | 27 (20) | 40 (30) |
> L485 au X70 | 40 (30) | 40 (30) | 40 (30) | 40 (30) | 54 (40) | 27 (20) | 40 (30) |
Kumbuka: (1) Thamani kwenye jedwali zinafaa kwa sampuli ya kiwango kamili.
(2) Thamani ya ndani ya bracket ni thamani ya chini moja, bracket ya nje ni thamani ya wastani.
(3) Joto la mtihani: 0 ° C.
Viwango vya Upimaji:
Mabomba ya mstari wa API 5L yaliyotengenezwa na chuma cha wanawake hupitia upimaji mkali ili kuhakikisha kuwa wanakidhi viwango vya hali ya juu. Viwango vya upimaji ni pamoja na:
Uchambuzi wa Kemikali:
Muundo wa kemikali wa chuma unachambuliwa ili kuhakikisha kuwa inakidhi mahitaji ya uainishaji wa API 5L.
Mchanganuo wa kemikali hufanywa kwa kutumia spectrometer inayosoma moja kwa moja ili kuamua kwa usahihi muundo wa chuma.
Upimaji wa mitambo:
Sifa za mitambo kama vile nguvu ya mavuno, nguvu tensile, na elongation hupimwa ili kuhakikisha kuwa zinakidhi mahitaji maalum.
Upimaji wa mitambo hufanywa kwa kutumia mashine ya upimaji wa tani 60 ili kupima nguvu na ductility ya chuma.
Upimaji wa hydrostatic:
Upimaji wa hydrostatic unafanywa ili kuangalia uadilifu wa bomba na hakikisha inaweza kuhimili mahitaji ya shinikizo ya matumizi yake yaliyokusudiwa.
Mabomba yamejazwa na maji na huwekwa chini ya shinikizo, na muda wa mtihani na viwango vya shinikizo vilivyoainishwa na viwango vya API 5L.
Upimaji usio na uharibifu (NDT):
Njia za NDT kama vile upimaji wa ultrasonic (UT) na upimaji wa chembe ya sumaku (MT) hutumiwa kugundua kasoro yoyote au kutoridhika katika bomba.
UT hutumiwa kutambua kasoro za ndani, wakati MT hutumiwa kugundua kasoro za uso.
Upimaji wa athari:
Upimaji wa athari hufanywa ili kutathmini ugumu wa chuma kwa joto la chini.
Mtihani wa athari ya charpy hutumiwa kawaida kupima athari ya nishati inayofyonzwa na chuma.
Upimaji wa ugumu:
Upimaji wa ugumu hufanywa ili kutathmini ugumu wa chuma, ambayo inaweza kuonyesha nguvu na utaftaji wake kwa matumizi maalum.
Mtihani wa ugumu wa Rockwell mara nyingi hutumiwa kupima ugumu wa chuma.
Mtihani wa muundo wa kipaza sauti:
Uchunguzi wa muundo wa kipaza sauti hufanywa ili kutathmini muundo wa nafaka na ubora wa jumla wa chuma.
Microscope ya madini hutumiwa kuchunguza muundo wa chuma na kutambua ukiukwaji wowote.
Kwa kufuata viwango hivi vya upimaji mkali, chuma cha wanawake inahakikisha kuwa bomba zake za mstari wa API 5L zinakidhi mahitaji ya hali ya juu na hutoa utendaji wa kuaminika katika matumizi anuwai ya viwandani.
Mchakato wa uzalishaji:
1. Mabomba ya chuma isiyo na mshono:
- Uteuzi wa malighafi: Billets zenye ubora wa juu wa chuma huchaguliwa kwa utengenezaji wa bomba za chuma zisizo na mshono.
- Inapokanzwa na kutoboa: billets hutiwa moto kwa joto la juu na kisha huchomwa ili kuunda ganda lenye mashimo.
- Rolling na sizing: ganda lililochomwa basi limevingirishwa na kunyoosha kwa kipenyo na unene.
- Matibabu ya joto: Mabomba yanakabiliwa na michakato ya matibabu ya joto kama vile kushinikiza au kurekebisha ili kuboresha mali zao za mitambo.
- Kumaliza: Mabomba hupitia michakato ya kumaliza kama vile kunyoosha, kukata, na ukaguzi.
- Upimaji: Mabomba hupitia vipimo anuwai, pamoja na upimaji wa hydrostatic, upimaji wa ultrasonic, na upimaji wa sasa wa eddy, ili kuhakikisha ubora wao.
- Matibabu ya uso: Mabomba yanaweza kufungwa au kutibiwa kuzuia kutu na kuboresha muonekano wao.
- Ufungaji na Usafirishaji: Mabomba yamewekwa kwa uangalifu na kusafirishwa kwa wateja.
2. LSAW (Kulehemu ya ARC ya Longitudinal) Mabomba ya chuma:
- Maandalizi ya sahani: Sahani za chuma zenye ubora wa hali ya juu zimetayarishwa kwa utengenezaji wa bomba la LSAW.
- Kuunda: Sahani huundwa kuwa sura ya "U" kwa kutumia mashine ya mapema.
- Kulehemu: Sahani zilizo na umbo la "U" basi hushonwa pamoja kwa kutumia mchakato wa kulehemu wa arc.
- Upanuzi: mshono wa svetsade hupanuliwa kwa kipenyo kinachotaka kwa kutumia mashine ya kupanuka ya ndani au ya nje.
- Ukaguzi: Mabomba hupitia ukaguzi wa kasoro na usahihi wa sura.
- Upimaji wa Ultrasonic: Mabomba yanafanywa kwa upimaji wa ultrasonic kugundua kasoro zozote za ndani.
- Beveling: Mabomba ya bomba yamepigwa kwa kulehemu.
- Mipako na kuashiria: Mabomba yanaweza kufungwa na alama kulingana na mahitaji ya wateja.
- Ufungaji na Usafirishaji: Mabomba yamewekwa na kusafirishwa kwa wateja.
3. HFW (Kulehemu-frequency Kulehemu) Mabomba ya chuma:
- Maandalizi ya coil: coils za chuma zimeandaliwa kwa utengenezaji wa bomba za HFW.
- Kuunda na kulehemu: coils huundwa kuwa sura ya silinda na kisha svetsade kwa kutumia kulehemu kwa mzunguko wa juu.
- Inapokanzwa mshono wa mshono: mshono wa weld hutiwa moto kwa joto la kulehemu kwa kutumia joto la induction ya kiwango cha juu.
- Sizing: Bomba la svetsade ni ukubwa wa kipenyo na unene unaohitajika.
- Kukata na kupigwa: Bomba hukatwa kwa urefu unaotaka na ncha zimepigwa kwa kulehemu.
- Ukaguzi: Mabomba hupitia ukaguzi wa kasoro na usahihi wa sura.
- Upimaji wa Hydrostatic: Mabomba hupimwa kwa nguvu na uvujaji kwa kutumia upimaji wa hydrostatic.
- Mipako na kuashiria: Mabomba yamefungwa na alama kulingana na mahitaji ya wateja.
- Ufungaji na Usafirishaji: Mabomba yamewekwa na kusafirishwa kwa wateja.
Michakato hii ya kina ya uzalishaji inahakikisha ubora wa hali ya juu na kuegemea kwa bomba la chuma la mshono, LSAW, na HFW linalotengenezwa na chuma cha wanawake, kukidhi mahitaji magumu ya viwanda anuwai.
Matibabu ya uso:
Matibabu ya uso wa chuma cha bomba ni muhimu kwa kuboresha upinzani wake wa kutu na maisha ya huduma. Chuma cha wanawake hutumia njia mbali mbali za matibabu ya uso inategemea mahitaji tofauti kutoka kwa wateja, pamoja na:
1. Moto-dip galvanizizing: bomba la chuma limeingizwa katika zinki iliyoyeyuka ili kuunda safu ya kinga ya zinki-iron, na kuongeza upinzani wake wa kutu. Kuinua moto kwa moto kunafaa kwa bomba la kawaida na la chini la shinikizo.
2. Vifuniko vya kupambana na kutu: mipako ya kawaida ya kupambana na kutu ni pamoja na mipako ya epoxy, mipako ya polyethilini, na mipako ya polyurethane. Vifuniko hivi huzuia oxidation na kutu kwenye uso wa bomba la chuma, kuongeza muda wa maisha yake ya huduma.
3. Sandblasting: Mlipuko wa kasi ya juu hutumiwa kusafisha bomba la chuma, kuondoa kutu na uchafu kutoka kwa uso, kutoa msingi mzuri wa matibabu ya mipako ya baadaye.
4. Matibabu ya mipako: uso wa bomba la chuma unaweza kufungwa na rangi za kupambana na kutu, rangi za lami, na mipako mingine ili kuongeza upinzani wake wa kutu, unaofaa kwa bomba la chini ya ardhi na bomba katika mazingira ya baharini.
Njia hizi za matibabu ya uso zinalinda vyema chuma cha bomba kutoka kwa kutu na uharibifu, kuhakikisha kuegemea na uimara katika mazingira anuwai ya ukali.
Ufungaji na Usafiri:
Chuma cha wanawake inahakikisha ufungaji salama na usafirishaji wa uhakika wa chuma cha bomba, inatoa chaguzi rahisi kukidhi mahitaji tofauti ya wateja:
1. Mzigo wa wingi: Kwa maagizo makubwa, chuma cha bomba kinaweza kusafirishwa kwa wingi kwa kutumia wabebaji maalum wa wingi. Chuma hicho hupakiwa moja kwa moja kwenye kushikilia kwa meli bila ufungaji, unaofaa kwa usafirishaji wa gharama nafuu wa idadi kubwa.
2. LCL (chini ya mzigo wa chombo): Kwa maagizo madogo, chuma cha bomba kinaweza kusafirishwa kama shehena ya LCL, ambapo maagizo madogo mengi yameunganishwa kwenye chombo kimoja. Njia hii ni ya gharama nafuu kwa idadi ndogo na inatoa ratiba rahisi za utoaji.
3. FCL (mzigo kamili wa chombo): Wateja wanaweza kuchagua usafirishaji wa FCL, ambapo chombo kamili kimewekwa kwa utaratibu wao. Njia hii hutoa nyakati za usafirishaji haraka na hupunguza hatari ya uharibifu wakati wa utunzaji.
4. Usafirishaji wa Hewa: Kwa maagizo ya haraka, mizigo ya hewa inapatikana kwa utoaji wa haraka. Wakati ni ghali zaidi kuliko mizigo ya bahari, mizigo ya hewa hutoa usafirishaji wa haraka na wa kuaminika kwa usafirishaji nyeti wa wakati.
Chuma cha wanawake huhakikisha kuwa usafirishaji wote umewekwa salama ili kuzuia uharibifu wakati wa usafirishaji. Chuma kawaida hufungwa katika vifaa vya kinga na salama kwenye vyombo au kwenye pallets ili kuhakikisha utulivu wakati wa usafirishaji. Kwa kuongeza, kampuni inafanya kazi kwa karibu na washirika wenye sifa nzuri ili kuhakikisha utoaji wa wakati unaofaa na usimamizi mzuri wa vifaa.
Vipimo vya maombi:
Mabomba ya mstari wa API 5L yanayozalishwa na chuma cha wanawake hutumiwa sana katika tasnia ya mafuta na gesi asilia kwa usafirishaji wa mafuta, gesi, na maji mengine. Pia hutumiwa katika tasnia zingine kama vile usindikaji wa kemikali, uzalishaji wa nguvu, na ujenzi.
Hitimisho:
Chuma cha wanawake ni mtengenezaji anayeaminika wa bomba la mstari wa API 5L, hutoa bidhaa zenye ubora wa hali ya juu ambazo zinakidhi mahitaji madhubuti ya viwanda vya petroli na gesi asilia. Kwa kuzingatia ubora, kuegemea, na kuridhika kwa wateja, chuma cha wanawake kinaendelea kuwa chaguo linalopendelea kwa wateja ulimwenguni.
Wakati wa chapisho: Mar-22-2024