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


Negotiable Min Order Quantity Unit

Required Quantity
Place of Origin
China
Brand name
Torich
Payment Terms
Negotiable
Production method
Negotiable
Shipping / Lead Time
Negotiable / Negotiable
Keyword
seamless steel tubes&pipes, electric resistance welded pipe, draw over mander, jis g3445 stkm 15a
Category
Steel Pipes , Steel Structures

Torich International,.Ltd

Membership
PRO
Country / Year Established
China China /
Business type
Trading Company
Verified Certificate

9

Product name JIS G3445 STKM 15A Drawn Over Mandrel Steel Tube Seamless And Electric Resistance Certification -
Category Steel Pipes
Steel Structures
Ingredients -
Keyword seamless steel tubes&pipes , electric resistance welded pipe , draw over mander , jis g3445 stkm 15a Unit Size -
Brand name Torich Unit Weigh -
origin China Stock -
Supply type - HS code -

Product Information

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.

 

B2B Trade

Price (FOB) Negotiable transportation -
MOQ Negotiable Leadtime Negotiable
Payment Options Negotiable Shipping time Negotiable

Torich International,.Ltd

Country / Year Established
China China /
Membership
PRO
Business type
Trading Company

9

President
sales
Address
Room706,Qiling Mansion, Yinzhou District, Ningbo,China 315100
Product Category
Steel Pipes
No. of Total Employees
101-500
Company introduction

Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories’ technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability. 

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