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API 5L石油管線直縫鋼管技術(shù)參數(shù)

發(fā)布時(shí)間:2012.07.06 新聞來(lái)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(shù):

執(zhí)行標(biāo)準(zhǔn):
API SPEC 5L

用途:
用于石油、天然氣工業(yè)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(xué)成分


標(biāo)準(zhǔn)
Standard

產(chǎn)品規(guī)定類別
PSL

鋼級(jí)
Steel grade

化學(xué)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(xié)商

備注:c: 除非另有協(xié)議,否則V和Nb之和應(yīng)≤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(xué)性能

標(biāo)準(zhǔn)
Standard

產(chǎn)品規(guī)定類別
Product Specification Level

鋼級(jí)
Steel grade

屈服強(qiáng)度
Yield Strength (min), Mpa

抗拉強(qiáng)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(shù)

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(huán)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(huán)氧粉末)
epoxy

環(huán)氧粉末

200~400um

Epoxy

2FBE(雙層環(huán)氧粉末)
Two layers epoxy

一層:環(huán)氧粉末(綠色)

400~800um

Inside layer: epoxy(Green)

外層:加強(qiáng)型環(huán)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(huán)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)

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