Product Name

GB/T8162 Seamless Steel Pipe

Standard

EN/DIN/JIS/ASTM/BS/ASME/AISI etc.

Outer Diameter

Seamless: 1/4"-36"

Welding: 21.3mm-3620mm

Round Tube: 1/2"-10"

Square Tube/Rectangular Tube: 15x15mm-400x600mm

Wall Thickness

Seamless: 1.25mm-50mm

Welding: 1.65mm-65mm

Length

3-12 meters, Support customization

Surface Process

Bright, Polished, Black

Other Services

Machining(cnc), Centerless Grinding(cg), Heat Treatment, Annealing, Pickling, Polishing, Rolling, Forging, Cutting, Bending, Small Machining, etc.

Grade

C

Si

Mn

P, S

Cu

Ni

Mo

Cr

10

0.07～0.14

0.17～0.37

0.35～0.65

≤ 0.035

≤0.25

≤0.25

/

≤ 0.15

20

0.17～0.24

0.17～0.37

0.35～0.65

≤ 0.035

≤0.25

≤0.25

/

≤0.25

35

0.32～0.40

0.17～0.37

0.50～0.80

≤ 0.035

≤0.25

≤0.25

/

≤0.25

45

0.42～0.50

0.17～0.37

0.50～0.80

≤ 0.035

≤0.25

≤0.25

/

≤0.25

16Mn

0.12～0.20

0.20～0.55

1.20～1.60

≤ 0.035

≤0.25

≤0.25

/

≤0.25

12CrMo

0.08～0.15

0.17～0.37

0.40～0.70

≤ 0.035

≤0.25

≤0.30

0.40～0.55

0.40～0.70

15CrMo

0.12～0.18

0.17～0.37

0.40～0.70

≤ 0.035

≤0.25

≤0.30

0.40～0.55

0.80～1.10

12Cr1MoV

0.08～0.15

0.17～0.37

0.40～0.70

≤ 0.035

≤0.25

≤0.30

0.25～0.35

0.90～1.20

Grade

Tensile Strength(MPa)

Yield Strength(MPa)

Elongation(%)

10

≥ 335

≥ 205

≥ 24

20

≥ 390

≥ 245

≥ 20

35

≥ 510

≥ 305

≥ 17

45

≥ 590

≥ 335

≥ 14

16Mn

≥ 490

≥ 325

≥ 21

12CrMo

≥ 410

≥ 265

≥ 24

15CrMo

≥ 440

≥ 295

≥ 22

12Cr1MoV

≥ 490

≥ 245

≥ 22