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Welded steel pipe

Category:

Steel Tube

PRODUCT

Brief description:

Key words:

steel

pipe

the

according

used

specifications

building

Product Description

Welded pipe products are widely used in boilers, automobiles, ships, building with light structure of doors, Windows, steel, furniture, a variety of agricultural machinery, scaffolding, wire pipes, high-rise shelves, containers, etc.can meet the customer requirements, special specifications of welding pipe can be processed according to the user requirements.

API 5CT

Ⅰ、Chemical Composition(％)(DIN 17210)：

executive standard

Grade

APISPEC5CT

J55K55(37Mn5)

0.34-0.39

0.20-0.35

1.25-1.50

≤0.020

≤0.015

≤0.15

N80(36Mn2V)

0.34-0.38

0.20-0.35

1.45-1.70

≤0.020

≤0.015

≤0.15

L80(13Cr)

0.15-0.22

≤1.00

0.25-1.00

≤0.020

≤0.010

12.0-14.0

P110(30CrMo)

0.26-0.35

0.17-0.37

0.40-0.70

≤0.020

≤0.010

0.80-1.10

Als

J55K55(37Mn5)

≤0.20

≤0.020

N80(36Mn2V)

0.11-0.16

≤0.020

L80(13Cr)

≤0.20

≤0.020

P110(30CrMo)

≤0.20

0.15-0.25

≤0.08

≤0.020

Ⅱ、mechanical property

APISPEC5CT

Grade

Yield Point(Mpa)

tensile strength（Mpa)

elongation

hardness

J55

379-552

≥517

K55

≤655

≥517

N80

552-758

≥689

L80(13Cr)

552-655

≥655

≤241HB

P110

758-965

≥862

Ⅲ、Application

API5CT oil casing is mainly used to transport oil, natural gas, gas, water and other liquids, gases


Casting	API 5CT	Ø114-219 x WT5.2-22.2	J55, K55, N80, L80, P110
Tubing	API 5CT	Ø48.3-114.3 x WT3.2-16	J55, K55, N80, L80, P110
API SPEC 5L

Line Pipes	API 5L	Ø10.3-1200 x WT1.0-120	A, B, X42, X46, X52, X60, X70, X80, PSL1 / PSL2
ASTM / ASME

Black and Hot-Dipped Zinc-Coated Seamless Steel Pipes	ASTM A53	Ø10.3-1200 x WT1.0-150	Gr.A, Gr.B, Gr.C
Seamless Carbon Steel Pipes for High Temperature Service	ASTM A106	Ø10.3-1200 x WT1.0-150	Gr.B, Gr.C
Seamless Cold-Drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes	ASTM A179	Ø10.3-426 x WT1.0-36	Low Carbon Steel
Seamless Carbon Steel Boiler Tubes for High Pressure	ASTM A192	Ø10.3-426 x WT1.0-36	Low Carbon Steel
Seamless Cold-Drawn Intermediate Alloy Steel Heat-Exchanger and Condenser Tubes	ASTM A199	Ø10.3-426 x 1.0-36	T5, T22
Seamless Medium-Carbon Steel Boiler and Superheater Tubes	ASTM A210	Ø10.3-426 x WT1.0-36	A1, C
Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes	ASTM A213	Ø10.3-426 x WT1.0-36	T5, T9, T11, T12, T22, T91
Seamless Carbon and Alloy Steel for Mechanical Tubing	ASTM A333	Ø1/4"-42" x WT SCH20-XXS	Gr.1, Gr.3, Gr.6
Seamless and Welded Carbon Steel Pipes and Alloy Steel Pipes for Low Temperature Use	ASTM A334	Ø1/4"-4" x WT SCH20-SCH80	Gr.1, Gr.6
Seamless Cold-Drawn Carbon Steel Feedwater Heater Tubes	ASTM A556	Ø10.3-426 x WT1.0-36	A2, B2
DIN
Product Name	Executive Standard	Dimension (mm)	Steel Code / Steel Grade
Seamless Steel Tubes for Elevated Temperature	DIN 17175	Ø10-762 x WT1.0-120	St35.8, St45.8, 10CrMo910, 15Mo3, 13CrMo44, STPL340, STB410, STB510, WB36
Seamless Steel Tubes	DIN 1629 / DIN 2391	Ø13.5-762 x WT1.8-120	St37.0, St44.0, St52.0, St52.3
Seamless Steel Tubes	DIN 2440	Ø13.5-165.1 x WT1.8-4.85	St33.2
Seamless Steel Pipes for Structural Purpose	DIN 2393	Ø16-426 x WT1.0-36	RSt34-2, RSt37-2, RSt44-2, St52
BS
Product Name	Executive Standard	Dimension (mm)	Steel Code / Steel Grade
Seamless Steel Tubes for Machine Structure	BS 970	Ø10-762 x WT1.0-120	Carbon Steel
Seamless Steel Tubes for Boiler and Heat Exchangers	BS 3059	Ø10-762 x WT1.0-120	360, 410, 440, 460, 490