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
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标准 Standard |
产品规定类别 |
钢级 |
化学成分 Chemical composition, % |
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C |
Mn |
P |
S |
Si |
V |
Nb |
Ti |
CEpcm |
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API 5L |
PSL 1 |
L210 or A |
≤ |
≤ |
≤ |
≤ |
- |
- |
- |
- |
≤ |
L245 or B |
≤ |
≤ |
≤ |
≤ |
- |
- |
- |
- |
≤ |
||
L290 or x42 |
≤ |
≤ |
≤ |
≤ |
- |
- |
- |
- |
≤ |
||
L320 or X46 |
≤ |
≤ |
≤ |
≤ |
- |
- |
- |
- |
≤ |
||
L360 or X52 |
≤ |
≤ |
≤ |
≤ |
- |
- |
- |
- |
≤ |
||
L390 or X56 |
≤ |
≤ |
≤ |
≤ |
- |
- |
- |
- |
≤ |
||
L415 or X60 |
≤ |
≤ |
≤ |
≤ |
- |
- |
- |
- |
≤ |
||
PSL 2 |
L245Ror BR |
≤ |
≤ |
≤ |
≤ |
≤ |
c |
c |
≤ |
≤ |
|
L290R or X42R |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
||
L245N or BN |
≤ |
≤ |
≤ |
≤ |
≤ |
c |
c |
≤ |
≤ |
||
L290N or X42N |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
||
L320N or X46N |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
||
L360N or X52N |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
||
L390N or X56N |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
||
L415N or X60N |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
≤ |
协商 |
||
备注:c: 除非另有协议,否则V和Nb之和应≤ |
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标准 |
产品规定类别 |
钢级 |
屈服强度 |
抗拉强度 |
API 5L |
PSL 1 |
L210 or A |
210 |
335 |
L245 or B |
245 |
415 |
||
L290 or x42 |
290 |
415 |
||
L320 or X46 |
320 |
435 |
||
L360 or X52 |
360 |
460 |
||
L390 or X56 |
390 |
490 |
||
L415 or X60 |
415 |
520 |
||
PSL 2 |
L245Ror BR |
245~450 |
415~760 |
|
L290R or X42R |
290~495 |
415~760 |
||
L245N or BN |
245~450 |
415~760 |
||
L290N or X42N |
290~495 |
415~760 |
||
L320N or X46N |
320~525 |
435~760 |
||
L360N or X52N |
360~530 |
460~760 |
||
L390N or X56N |
390~545 |
490~760 |
||
L415N or X60N |
415~565 |
520~760 |
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) |
第一层:环氧粉末(绿色) |
2.0~4.5mm |
Inside layer: epoxy(Green) |
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中间层:胶粘剂(白色) |
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Mid Layer:adhesive(White) |
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最外层:聚乙烯(黑色) |
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Outside layer:polyethylene (Black) |
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2PE(两层聚乙烯) |
第一层:胶粘剂 |
2.0~4.5mm |
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Inside layer: adhesive |
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最外层:聚乙烯 |
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Outside layer:polythene |
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DN80~600 |
88.9~609.6 |
FBE(环氧粉末) |
环氧粉末 |
200~400um |
Epoxy |
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2FBE(双层环氧粉末) |
第一层:环氧粉末(绿色) |
400~800um |
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Inside layer: epoxy(Green) |
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最外层:加强型环氧粉末(灰绿色) |
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Outside layer:intensity epoxy(sage green) |
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DN100~600 |
114.3~609.6 |
3PP(三层聚丙烯) |
第一层:环氧粉末(绿色) |
2.5~3mm |
Inside layer: epoxy(Green) |
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中间层:胶粘剂(白色) |
||||
Mid Layer:adhesive(White) |
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最外层:聚丙烯(白色) |
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Outside layer:polypropylene(White) |