high quality good price carbon steel spiral weld steel pipe

Q235A,Q235B,Q345,L245,L290,X42,X52,X60,X70,X80,0Cr13,1Cr17,00Cr19Ni11,

1Cr18Ni9,0Cr18Ni11Nb

Descriptions

Grades

Structural pipe

20# 35# 45# Q345B, 16Mn, Q345B-E, 20Mn2, 25Mn, 30Mn2, 40Mn2, 45Mn2

SAE1018, SAE1020, SAE1518, SAE1045.

Liquid pipe

20# q295b-e, q345b-e

High pressure boiler tube

20G 15MnG 20MnG 15CrMoG, 12Cr1MoVG

St35.8, sa106b, sa106c, sa210a, sa210c, A333P2, A333P11, A33P12, A333P22, A33P36, A333P91, A333P92, A335T2, A335T11, A335T12, A335T22, A335T91, A335T23, A335T9

Pipeline

API SPEC 5L, X42, X52, X60, X65,X70,X80

ASTMA53, ASTM A106, ASTM A333, BS301, BS3602, BS3603, BS3604, PSL1, PSL2, DNV-OS-F101, CSA-Z245

Alloy pipe

4140, 42CrMo, 32CrMo, 15CrMo,

Packing

Black paint, Varnish painting, Tarpaulin packing

End

Common round end, beveled.

Processing

Galvanizing; cutting; making thread outside the pipe; Machining.

Standard

 Grade

C max

Mn max

Si max

P

S

Yield strength MIN

Tensile strength MIN

Elongation%

ASTM A572M

50

0.23

  1.60

0.50

0.04

0.05

345

380

21

GB/T8162

Q345B

0.22

1.0-1.60

 0.40

0.04

0.03

345

375

21-26

ASTM A36

A36

0.24

   -

 0.40

0.045

0.030

250

400-520

26

Thickness can supply: 1.5mm-20mm

Width: 50mm-1500mm, cut to customized

Cutting large coils into steel strips but directly cutting into large diameter coil strip, also can cut to small coil strip,