Drawn Over Mandrel Alloy Steel Pipe Jisg3445 Stkm Round Shape With Od 3 - 420mm

JISG3445 STKM11A 12A 12B 12C 13A 13B 13C 15A Drawn Over Mandrel Steel Tube​:

JIS G3445 STKM 15A Drawn Over Mandrel Steel Tube Seamless And Electric Resistance,

which is produced by mandrel and die on the ERW mother tube, with cold drawing and cold rolling processing to achieve final target dimension, with good OD and ID smoothness

Product Name: Carbon steel tubes for machine structural purposes

Japanese Product Name :つぎめがないこうかん

Drawn Over Mandrel Steel Tube Material : STKM 15A or according to customers Specifications

DOM Tubing Application :

Machine Structural Purposes

Machine Auto competent

Furniture

Bicycle

Mechanical parts

Mechanical Elements

Machine elements

1.Drawn Over Mandrel Steel Tube Grade

a. STKM 11A

b. STKM 12 (ABC)

c. STKM 13(ABC)

d. STKM 14(ABC)

e. STKM 15(AC) etc

f. Standard JIS G3445

2. OD:4-60mm, Wall thickness:0.5-7mm

3.Characteristic:The tubes are high precision in tolerance

4.Kindly advise heat treatment requirement if any.

5.STKM 15A Chemical composition % max:

C:0.25-0.35

S:0.35

Mn:0.30-1.00

P:0.04

S:0.04

DOM Steel Tube Delivery Condition:

HR CW SR A N HF

HR:hot rolled

CW:cold worked

SR:stress relieved

A:annealed

N:normalized

HF: hot formed.

Drawn Over Mandrel Steel Tube Mechanical properties:

Tensile strength min470Mpa

Yield Strength min275 Mpa

Elongation min 22%

Note:1. For hot finished seamless steel tube, the outside diameter tolerance No.1 shall be applied.

2.The tolerance on outside diameter of quenched and tempered tubes shall be as agreed upon by the purchaser and manufacturer.