JIS G3445 STKM11A, STKM 12A, STKM 12C, STKM13A is the standard applicable to carbon steel tubes for machine structural purposes
STKM 13C Carbon Steel Tube Shipping details:
Description: Seamless Cold Drawn Steel tubes
Standard: JIS G3445
Grade: STKM 13C
Delivery Condition: Cold finished
Size: OD.25.4mm; ID. 22.91mm; Length 2500mm
STKM 13C Size Inspection report:
| OD. (mm) | Tolerance (mm) |
ID. (mm) | Tolerance (mm) | Length (mm) | Tolerance (mm) | Straightness mm |
| 25.4 | +0.1/-0 | 22.91 | +0/-0.1 | 2500 | -0/+20 | 1:2000 |
STKM 13C Carbon Steel Tube Chemical components and Mechanical properties inspection
| Standard | Grade | Chemical Components (%) | Mechanical properties (Bright Annealing) |
|||||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation (%) |
||
| JIS G3445 | STKM 13C | 0.2 | 0.21 | 0.38 | 0.011 | 0.003 | 0.07 | 0.01 | 0.03 | 635 | 565 | 16 |
