API 5L石油管线直缝钢管技术参数
执行标准:
API SPEC 5L
用途:
用于石油、天然气工业中的气、水、油输送,用于油井中抽取石油或天然气。
尺寸公差:
钢管种类 |
钢管外径(D) |
钢管壁厚(S) | ||
管体 |
钢管外径 (mm) |
允许偏差(mm) |
钢管外径(mm) |
允许偏差(mm) |
≥60.3且S<20 |
±0.75% |
≤73.0 |
+15%,-12.5% | |
≥60.3且S≥20 |
±1.00% |
>73.0且S<20 |
+15%,-12.5% | |
>73.0且S≥20 |
+17.5%,-10 |
API SPEC 5L 化学成分
|
产品规定类别 |
钢级 |
化学成分 Chemical composition, % | ||||||||
C |
Mn |
P |
S |
Si |
V |
Nb |
Ti |
CEpcm | |||
API 5L GB/T9711.2 |
PSL 1 |
A or L210 |
≤0.22 |
≤0.90 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
≤0.25 |
B or L245 |
≤0.28 |
≤1.20 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
≤0.25 | ||
x42 or L290 |
≤0.28 |
≤1.30 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
≤0.25 | ||
X46 or L320 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
≤0.25 | ||
X52 or L360 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
≤0.25 | ||
X56 or L390 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
≤0.25 | ||
X60 or L415 |
≤0.28 |
≤1.40 |
≤0.030 |
≤0.030 |
- |
- |
- |
- |
≤0.25 | ||
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 |
≤1.20 |
≤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 |
协商 | ||
备注:c: 除非另有协议,否则V和Nb之和应≤0.06%。 | |||||||||||
API SPEC 5L 力学性能
标准 |
产品规定类别 |
钢级 |
屈服强度 |
抗拉强度 |
API 5L GB/T9711.2 |
PSL 1 |
A or L210 |
210 |
335 |
B or L245 |
245 |
415 | ||
x42 or L290 |
290 |
415 | ||
X46 or L320 |
320 |
435 | ||
X52 or L360 |
360 |
460 | ||
X56 or L390 |
390 |
490 | ||
X60 or L415 |
415 |
520 | ||
PSL 2 |
BR or L245R |
245~450 |
415~760 | |
X42R or L290R |
290~495 |
415~760 | ||
BN or L245N |
245~450 |
415~760 | ||
X42N or L290N |
290~495 |
415~760 | ||
X46N or L320N |
320~525 |
435~760 | ||
X52N or L360N |
360~530 |
460~760 | ||
X56N or L390N |
390~545 |
490~760 | ||
X60N or L415N |
415~565 |
520~760 |
防腐加工具体参数
钢管名义外径范围 |
钢管外径尺寸 |
涂层类别 |
涂层 |
涂层厚度 |
Nominal Diameter Range |
Outside diameters Rang(mm) |
Coating Type |
Coating Layer |
Coating thickness |
DN100~600 |
114.3~609.6 |
3PE(三层聚乙烯) |
一层:环氧粉末(绿色) |
2.0~4.5mm |
Inside layer: epoxy(Green) | ||||
中间层:胶粘剂(白色) | ||||
Mid Layer:adhesive(White) | ||||
外层:聚乙烯(黑色) | ||||
Outside layer:polyethylene (Black) | ||||
2PE(两层聚乙烯) |
一层:胶粘剂 |
2.0~4.5mm | ||
Inside layer: adhesive | ||||
外层:聚乙烯 | ||||
Outside layer:polythene | ||||
DN80~600 |
88.9~609.6 |
FBE(环氧粉末) |
环氧粉末 |
200~400um |
Epoxy | ||||
2FBE(双层环氧粉末) |
一层:环氧粉末(绿色) |
400~800um | ||
Inside layer: epoxy(Green) | ||||
外层:加强型环氧粉末(灰绿色) | ||||
Outside layer:intensity epoxy(sage green) | ||||
DN100~600 |
114.3~609.6 |
3PP(三层聚丙烯) |
一层:环氧粉末(绿色) |
2.5~3mm |
Inside layer: epoxy(Green) | ||||
中间层:胶粘剂(白色) | ||||
Mid Layer:adhesive(White) | ||||
外层:聚丙烯(白色) | ||||
Outside layer:polypropylene(White) |
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