Detailed Product Description

Cold Drawn Square Seamless Steel Tubes and Pipes
Technique: cold drawn seamless
Specs: OD4-120mm WT 2-12mm or custom size

Standards

Steel Grade

Chemical composition(%)

Mechanical properties (heat treatment status)

C

Mn

Si

S

P

Cr

Ni

Cu

Tensile strength

Yield strength

Elongation(%)

GB3094

10

0.07-0.13

0.35-0.65

0.17-0.37

≤ 0.035

≤ 0.035

≤ 0.15

≤ 0.30

≤ 0.25

≥ 335

≥ 205

≥ 24

20

0.17-0.23

0.35-0.65

0.17-0.37

≤ 0.035

≤ 0.035

≤ 0.25

≤ 0.30

≤ 0.25

≥ 390

≥ 245

≥ 20

35

0.32-0.39

0.50-0.80

0.17-0.37

≤ 0.035

≤ 0.035

≤ 0.25

≤ 0.30

≤ 0.25

≥ 510

≥ 305

≥ 17

45

0.42-0.50

0.50-0.80

0.17-0.37

≤ 0.035

≤ 0.035

≤ 0.25

≤ 0.30

≤ 0.25

≥ 590

≥ 335

≥ 14

Q345(A-E)

≤ 0.20

1.00-1.60

≤ 0.55

≤ 0.035

≤ 0.035

--

--

--

≥ 510

≥ 345

≥ 21