用途:
把抽出地面的油、氣或水,通過管線管輸送到石油和天然氣工業(yè)企業(yè)。
主要鋼級:
L245、L290、L360、L415、L480、GR.B、X42、X46、X56、X65、X70、X80、X100等鋼級。
標(biāo)準(zhǔn):
API SPEC 5L、ISO3183、GB/T9711
API 5L規(guī)格(OD×WT):
1.13〞~48.00〞×0.133〞~1.25〞
機(jī)械性能
標(biāo)準(zhǔn) |
牌號 |
抗拉強(qiáng)度(MPa) |
屈服強(qiáng)度(MPa) |
屈服比 |
伸長率(%) |
0℃沖擊功 Akv(J) |
熱處理狀態(tài) |
API SPEC 5L GB/T9711 |
L245/B |
≥415 |
245~440 |
≤0.80 |
22 |
≥40 |
正火 |
API SPEC 5L GB/T9711 |
L290/X42 |
≥415 |
290~440 |
≤0.80 |
21 |
≥40 |
正火 |
API SPEC 5L GB/T9711 |
L360/X52 |
≥460 |
360~510 |
≤0.85 |
20 |
≥40 |
正火 |
API SPEC 5L GB/T9711 |
L415/X60 |
≥520 |
415~565 |
≤0.85 |
18 |
≥40 |
正火 |
API SPEC 5L GB/T9711 |
L450/X65 |
≥535 |
450~570 |
≤0.90 |
18 |
≥40 |
淬火+回火 |
API SPEC 5L GB/T9711 |
L485/X70 |
≥570 |
485~605 |
≤0.90 |
18 |
≥40 |
淬火+回火 |
化學(xué)成分分析
Product Level |
Steel grade |
Chemical composition, % |
||||||||
C |
Mn |
P |
S |
Si |
V |
Nb |
Ti |
CEpcm |
||
PSL 1 |
B or L245 |
≤0.28 |
≤1.20 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
- |
x42 or L290 |
≤0.28 |
≤1.30 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
- |
|
X46 or L320 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
- |
|
X52 or L360 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
- |
|
X56 or L390 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
- |
|
X60 or L415 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
- |
|
X70 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
- |
|
PSL 2 |
BR or L245R |
≤0.24 |
≤1.20 |
≤0.025 |
≤0.015 |
≤0.40 |
c |
c |
≤0.04 |
≤0.25 |
X42R or L290R |
≤0.24 |
≤1.20 |
≤0.025 |
≤0.015 |
≤0.40 |
≤0.06 |
≤0.05 |
≤0.04 |
≤0.25 |
|
BN or L245N |
≤0.24 |
≤1.20 |
≤0.025 |
≤0.015 |
≤0.40 |
c |
c |
≤0.04 |
≤0.25 |
|
X42N or L290N |
≤0.24 |
≤1.30 |
≤0.025 |
≤0.015 |
≤0.40 |
≤0.06 |
≤0.05 |
≤0.04 |
≤0.25 |
|
X46N or L320N |
≤0.24 |
≤1.40 |
≤0.025 |
≤0.015 |
≤0.40 |
≤0.07 |
≤0.05 |
≤0.04 |
≤0.25 |
|
X52N or L360N |
≤0.24 |
≤1.40 |
≤0.025 |
≤0.015 |
≤0.45 |
≤0.10 |
≤0.05 |
≤0.04 |
≤0.25 |
|
X56N or L390N |
≤0.24 |
≤1.40 |
≤0.025 |
≤0.015 |
≤0.45 |
≤0.10 |
≤0.05 |
≤0.04 |
≤0.25 |
|
X60N or L415N |
≤0.24 |
≤1.40 |
≤0.025 |
≤0.015 |
≤0.45 |
≤0.10 |
≤0.05 |
≤0.04 |
- |
|
X65N or L450N |
≤0.24 |
≤1.40 |
≤0.025 |
≤0.015 |
≤0.45 |
≤0.10 |
≤0.05 |
≤0.04 |
- |
|
X70N |
≤0.24 |
≤1.40 |
≤0.025 |
≤0.015 |
≤0.45 |
≤0.10 |
≤0.05 |
≤0.04 |
- |
|
X80 |
≤0.24 |
≤1.40 |
≤0.025 |
≤0.015 |
≤0.45 |
≤0.10 |
≤0.05 |
≤0.04 |
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