Hollow 50x50mm black square steel tube

  1. Standard:
  2. ASTM, BS, GB
  3. Standard2:
  4. ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS 6323, BS 6363,
  5. Grade Group:
  6. A53-A369, Q195-Q345
  7. Grade:
  8. A53(A,B), Q235, Q345, Q195, Q215
  9. Thickness:
  10. 1 - 15 mm
  11. Section Shape:
  12. Square
  13. Outer Diameter:
  14. 15*15mm-500*500mm
  15. Place of Origin:
  16. ZheJiang, China (Mainland)
  17. Application:
  18. Structure Pipe, Fluid transport;structure steel;agriculture equipment

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Product name

Professional technique rhs hollow section astm a56 square steel structural pipe for wholesale

 

Size

 

Thickness: Length 1.2-30m

 

Standard

ASTM A500, BS1387,GB3091,ASTMA53, B36.10, BS EN1029, GB/T9711 etc

Material

SS400; S235jrh; ASTM A53 GrA,GrB; STKM11,ST37,ST52, 16Mn,etc.

Fabrication

Plain ends, cutting, etc

 

Surface Treatment

1. PVC,black and color painting

2. Transparent oil,anti-rust oil

3. According to clients requirement

Package

Bundle;Bulk;Plastic bags ,etc

 

 

 

Others

We can do special orders as customer's requirement.

We also can provide all kinds of steel hollow pipes.

All the production process are made under the ISO9001:2008 strictly

  Elements  

  Material   
Chemical Composition% Mechanical Property
  C% Mn% S% P% Si% Yield Point (Mpa) Tensile Strength(Mpa) Elongation  
(%) 
Q195 0.06-0.12 0.25-0.50 <0.050 <0.045 <0.30 >195 315-430 32-33
Q215 0.09-0.15 0.25-0.55 <0.05 <0.045 <0.30 >215 335-450 26-31
Q235 0.12-0.20 0.30-0.70 <0.045 <0.045 <0.30 >235 375-500 24-26
Q345 <0.20 1.0-1.6 <0.040 <0.040 <0.55 >345 470-630 21-22

 

 

Hollow 50x50mm black square steel tube

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