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

Good quality DOM Steel Tube for sales
Good quality DOM Steel Tube for sales
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JIS G3445 STKM 15A Drawn Over Mandrel Steel Tube Seamless And Electric Resistance

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

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Product Details:

Place of Origin: China
Brand Name: Torich
Certification: ISO9001 TS16949 EN10204.3.1
Model Number: JIS J3445

Payment & Shipping Terms:

Minimum Order Quantity: 3-5tons
Price: USD
Packaging Details: In bundles or carton boxes or wooden boxes
Delivery Time: 4-6weeks depended on order size and quantity
Payment Terms: L/C, T/T
Supply Ability: 5000tons per year
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Detailed Product Description
Material: STKM 15A Japanese Product Name: つぎめがないこうかん
Application: Machine Structural Purposes

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

 

Product Name:Carbon steel tubes for machine structural purposes

Appllication: Machine Auto competent Furniture Bicycle Mechanical parts Mechanical Elements machine elements 

 

1.Grade        

STKM 11A

STKM 12 (ABC)

STKM 13(ABC)

STKM 14(ABC)

STKM 15(AC) etc

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.

HR CW SR A N HF

HR:hot rolled CW:cold worked SR:stress relieved A:annealed N:normalized HF: hot formed.

 

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

Mechanical properties:min Tensile strength 470Mpa Yield Strength:275 Mpa Elongation: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%

Note: For the finished seamless steel tubes the tolerances No.1 shall be applied.

 

 

The tolerances on the tube length shall be in the range of 0 to+50mm.However,when tolerances outside this range are especially required,agreement shall be made between the purchaser and manufacturer.

 

(DOM)Drawn Over Mandrel :

The first stages of manufacturing : ERW ,but in the finishing stages : Entire flash weld is removed and the tube is clod drawn over a mandrel.which provides the tube with a better  dimensional tolerances,good surface finish and the strongest weld strength achievable.

 

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

 

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

Contact Details
TORICH INTERNATIONAL CO.,LTD

Contact Person: Lily Zhang

Tel: +8618958208557

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