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Model No.: JIS G3445 STKM 15A
Brand: TORICH
Type: Seamless
Application: Chemical Fertilizer Pipe
Section Shape: Round
Surface Treatment: Black
Usage: Machinery Industry
Technique: Cold Drawn
Material: Carbon Steel
Name: DOM Steel Tube Seamless And Electric Resistance
Model Number: JIS J3445
Packaging: In bundles or carton boxes or wooden boxes
Productivity: 5000tons per year
Transportation: Ocean
Place of Origin: China
Supply Ability: 40000 Tons per year
Certificate: ISO9001 TS16949 EN10204.3.1
Port: Shanghai
Payment Type: L/C,T/T
Incoterm: FOB,CFR,CIF
JIS G3445 STKM 15A Drawn Over Mandrel Steel Tube Seamless And Electric Resistance
China DOM Steel Tubes supplier & manufacturer, offer low price, high quality Engineering Special Steel,DOM Seamless Steel Tubes, DOM Steel Pipe, etc.
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 |
No.2 | under 50mm ±0.25mm |
No.3 | under 25mm ±0.12mm |
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 |
No.2 | under 3mm ±0.3mm |
No.3 | under 2mm ±0.15mm |
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.
Product Categories : DOM Steel Tubes
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.