Drawn Over Mandrel Alloy Steel Pipe Jisg3445 Stkm Round Shape With Od 3 - 420mm
Brand Name:New Era
Certification:ISO14001:2008,TS16949
Model Number:GB/T3077 , 38CrMoAl , ISO41CrAlMo74
Minimum Order Quantity:1 tons
Delivery Time:45 days
Payment Terms:T/T
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No.101 Shijing East Road, Tudian Town, Tongxiang, China
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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%
| Tolerances on OD | |
| Division | Tolerance on OD |
| No.1 | under 50mm ±0.5mm 50mm or over ±1% |
| No.2 | under 50mm ±0.25mm 50mm or over ±0.5% |
| No.3 | under 25mm ±0.12mm 25mm or over to and excel.40mm ±0.15mm 40mm or over to and excel.50mm ±0.18mm 50mm or over to and excel.60mm ±0.20mm 60mm or over to and excel.70mm ±0.23mm 70mm or over to and excel.80mm ±0.25mm 80mm or over to and excel.90mm ±0.30mm 90mm or over to and excel.100mm ±0.40mm 100mm or over ±0.50% |
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.
| Tolerances on WT | |
| Division | Tolerance on WT |
| No.1 | under 4mm +0.6mm -0.5mm 4mm or over +15%-12.5% |
| No.2 | under 3mm ±0.3mm 3mm or over ±10% |
| No.3 | under 2mm ±0.15mm 2mm or over ±8% |
Drawn Over Mandrel Alloy Steel Pipe Jisg3445 Stkm Round Shape With Od 3 - 420mm
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