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API 5L石油管線直縫鋼管技術參數

發布時間:2012.07.06 新聞來源:直縫鋼管_大口徑直縫鋼管_厚壁鋼管_高頻焊接鋼管-河北美德鋼管制造有限公司 瀏覽次數:

執行標準:
API SPEC 5L

用途:
用于石油、天然氣工業中的氣、水、油輸送,用于油井中抽取石油或天然氣。

尺寸公差:

鋼管種類

鋼管外徑(D)

鋼管壁厚(S)

管體

鋼管外徑 (mm)

允許偏差(mm)

鋼管外徑(mm)

允許偏差(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 化學成分


標準
Standard

產品規定類別
PSL

鋼級
Steel grade

化學成分 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

協商

備注:c: 除非另有協議,否則V和Nb之和應≤0.06%。
Note: c: The sum of the columbium [niobium], and vanadium contents shall not exceed 0.06% except that, by agreement between the purchaser and
the manufacturer, an alternative maximum may be established.

API SPEC 5L 力學性能

標準
Standard

產品規定類別
Product Specification Level

鋼級
Steel grade

屈服強度
Yield Strength (min), Mpa

抗拉強度
Tensile Strength(min), Mpa

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

防腐加工具體參數

鋼管名義外徑范圍

鋼管外徑尺寸

涂層類別

涂層

涂層厚度

Nominal Diameter Range

Outside diameters Rang(mm)

Coating Type

Coating Layer

Coating thickness

DN100~600

114.3~609.6

3PE(三層聚乙烯)
Three layers polyethylene

一層:環氧粉末(綠色)

2.0~4.5mm

Inside layer: epoxy(Green)

中間層:膠粘劑(白色)

Mid Layer:adhesive(White)

外層:聚乙烯(黑色)

Outside layer:polyethylene (Black)

2PE(兩層聚乙烯)
Two layers polyethylene

一層:膠粘劑

2.0~4.5mm

Inside layer: adhesive

外層:聚乙烯

Outside layer:polythene

DN80~600

88.9~609.6

FBE(環氧粉末)
epoxy

環氧粉末

200~400um

Epoxy

2FBE(雙層環氧粉末)
Two layers epoxy

一層:環氧粉末(綠色)

400~800um

Inside layer: epoxy(Green)

外層:加強型環氧粉末(灰綠色)

Outside layer:intensity epoxy(sage green)

DN100~600

114.3~609.6

3PP(三層聚丙烯)
Three layers polypropylene

一層:環氧粉末(綠色)

2.5~3mm

Inside layer: epoxy(Green)

中間層:膠粘劑(白色)

Mid Layer:adhesive(White)

外層:聚丙烯(白色)

Outside layer:polypropylene(White)

上一篇:API 5L 直縫鋼管

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