Send Message

Heavy Thick Wall Steel Tubing For Auto Parts 1010 1020 STKM11A STKM12A 12B

Product Details:
Place of Origin: Zhejiang, China (Mainland)
Brand Name: TORICH
Certification: ISO9001
Model Number: JIS G3445
Payment & Shipping Terms:
Minimum Order Quantity: 5Tons
Price: USD1000-1500
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

Detail Information

Key Words: Heavy Wall Steel Tubing Material: 1010 1020 1045 STKM11A STKM12A 12B
OD: 16.5-350mm WT: 4-50mm
Length: 5-12m Usage: For Auto Parts
Technique: Cold Drawn Shape: Round Shape
High Light:

thick wall steel pipe


thick wall steel tube

Product Description

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

Diameter 16.5-350mm

Length 5-6m Upon request


Material 45# 16Mn 35# 20# 10# 40Cr 20Cr 20CrMo 20CrMnTi 40MnMoV 42CrMo 10Mn2 15Cr 30CrMnSi STKM11A STKM12A STKM12B SAE1010 1020 1045
Stanard ASTM A519 ASTM A500 ASTM A501 JIS G3441 JIS G3444 ASTM A53 DIN1629 GOST8734-75 and others
Tolerance The common difference of inner diameter could be controlled i the scope of 0.1mm
Heat Treatment Annealing, Quenching and tempering, Hot rolled
Surface Pickling and Phosphating


Application :Diesel(compression-ignition)engines


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)



Outside diameter,D


D≥8mm: ±0.10mm

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.


Heavy Thick Wall Steel Tubing For Auto Parts 1010 1020 STKM11A STKM12A 12B 0



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

Get in touch with us

Enter Your Message