Products / STRUCTURAL STEEL / SQUARE STEEL, STEEL PIPE



SQUARE STEEL, STEEL PIPE: A36, SS400, S235JR, S355JR, S355J0, S355J2, Q235B, Q345B, A572Gr.50…

Grade

A36 - SS400 - S235JR - S275 JR - S355JR - S355J0 - Q195 - Q235A - Q235B - Q345B - A572 GR.50

Usage

Square steel and steel pipes are used in interior designs, balcony handle, mechanical machinery,  ...

Standard

ASTM A36 - ASTM A572 - EN 10025-2 - GB/T 700 - GB/T3274 - KS D 3503

Origin

Japan - China - Korea - Europe - Taiwan

Specifications

Diameter:Ø6mm - Ø440mm

Perimeter : 10mm - 150mm

Length : 2000mm - 6000mm

 


Chemical composition % (max)

Grade

C
 

Si
 

MN
 

P
 

S
 

CR
MO

Ni
Cu

V
 

 

 

A36


 

 

             
 

S20C

0.18-0.23
 

0.15-0.35
 

0.30-0.60
 

≤0.030
 

≤0.035
 

≤0.20
 

≤0.20
≤0.30
   
 

S45C

0.42-0.48
 

0.15-0.35
 

0.60-0.90
 

0.035
 

0.035
 


 

≤0.20
≤0.30

 
 
 

S50C

0.42-0.48
 

0.15-0.34
 

0.60-0.90
 

0.035
 

0.035
 

≤0.20
 

≤0.20
≤0.30

 
   

 

Physical properties

Grade

Liquid limit
δc(MPA)

Tensile strength
δb(MPA)

Elongation
%

A36

 

   

S20C

 

   

S45C

 

410 - 450

 

S50C

 

415 - 510

 

 

 


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