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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

                                                第一層: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)

                                                最外層:聚乙烯(黑色)

                                                Outside layer:polyethylene (Black)

                                                2PE(兩層聚乙烯)
                                                Two layers polyethylene

                                                第一層:膠粘劑

                                                2.0~4.5mm

                                                Inside layer: adhesive

                                                最外層: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

                                                第一層:環氧粉末(綠色)

                                                400~800um

                                                Inside layer: epoxy(Green)

                                                最外層: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

                                                第一層: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)

                                                最外層:聚丙烯(白色)

                                                Outside layer:polypropylene(White)

                                                上一篇:API 5L 直縫鋼管

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