|Place of Origin:||Zhejiang, China (Mainland)|
|Model Number:||JIS G3445|
|Minimum Order Quantity:||5Tons|
|Packaging Details:||Packing: antirust protection, In hexagon bundles, in wooden box|
|Delivery Time:||45-50 work days|
|Payment Terms:||L/C, D/A, D/P, T/T, Western Union, MoneyGram|
|Supply Ability:||300 Tons per Month|
|Key Words:||Heavy Wall Steel Tubing||Material:||1010 1020 1045 STKM11A STKM12A 12B|
|Length:||5-12m||Usage:||For Auto Parts|
|Technique:||Cold Drawn||Shape:||Round Shape|
thick wall steel pipe,
thick wall steel tube
1010 1020 1045 4130 4140 Heavy Thick Wall Steel Tubing For Auto parts
China Precision Steel Tube leading supplier, choose the high quality Hydraulic Precision Steel Tube, Precision Carbon Steel Tube, Precision Seamless Steel Tube, CDS Steel Tube, CDW Steel Tube
Wall thickness 4-50mm
Length 5-6m Upon request
|STKM11A STKM12A STKM12B SAE1010 1020 1045|
Produce method: shall be manufactured from unalloyed quality steel or an equivalent steel produced by a steel-making process that ensures a very homogeneous structure.
The final reduction of the tube shall be followed by treatment to achieve the specified mechanical properties. Please advise.
Characteristic:Precision,Smooth finish,Cleanliness,High mechanical properties.
Delivery condition: NBK/GBK.
Inside diameter ,d
d≤4mm:±0.05mm for class2 (for diesel (compression-ignition)engines)
±0.025mm for class 1(for fuel injection pump testing)
For Class 1 and Class2 Please refer above explain.
The maximum value of the concentricity of the tube outside diameter relative to inside diameter shall be proportional to the wall thickness, as shown in Figure1.
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking