Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube
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Q235 Thickness PIPE ERW 0.5 – 20 Mm Rectangular GI Square Steel Tube

Name：Square and rectangular steel pipe；
OD: 20*20-200*200 mm ;
Wall Thickness:1.5-30 mm Length 1-12 m;
Packing Export standard packing or according to customers’ requirement ;
Certificate ISO9001:2008;

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  • Description
product name square steel pipe
Hs code 73066100
Usage Mechanical & manufacture, Steel structure,Shipbuilding, Bridging ,Automobile chassis
daimeter SHS: 15*15-400*400mm, RHS: 20*25-400*300mm
thinkness 0.3-40mm
length 2m-12m or as per customers’ requirement
Steel Grade Q195, Q235, Q345, Ss400, S235, S355jr and So on
materials SPHC, Q195,Q215,Q235,Q345,SAE1010,SAE1020, API Standard material, ASTM A53 A,B
standard GB/T 6728, ASTM A500, En 10210, En 10219 and So on
surface treament Oiled, Painted, Galvanized and So on/Black painting/varnished surface,anti-corrosion oil,
processing service Bending, Welding, Punching, Cutting and So on
Pipe end Plain end
Certificate ISO,BV,API
Tolerance: 5%
Delivery Time 25~30days or as per your request
Payment Term Down Payment 30%T/T in advance and Balance 70%T/T before loading or L/C at sight
Transport Package in Bulk, Waterproof Packing and So on
Constituent of the material
Grade C Mn Si S P UTS(MPa) YS(MPa) EI(%)
Q235B 0.12-0.20 0.30-0.70 0.3 0.045 0.045 375-500 235 26
Q345B 0.12-0.20 1.20-1.60 0.20-0.55 ≤0.045 ≤0.045 510-600 345 22
20#(GB) 0.17-0.23 0.38-0.65 0.17-0.37 ≤0.030 ≤0.030 410-550 ≥245 ≥20
Thick wall square &rectangular tube specification table
name of product size wall thickness name of product size wall thickness
square steel pipe 20*20 1.3-2.5 rectangular steel pipe 20*30 1.3-2.75
25*25 1.3-2.75 20*40 1.3-2.75
30*30 1.3-2.75 25*40 1.3-2.75
40*40 1.3-3.75 30*50 1.3-4.75
50*50 1.3-5.75 30*60 1.3-4.75
60*60 1.3-5.75 40*50 1.3-4.75
70*70 1.3-5.75 40*80 1.3-4.75
80*80 1.3-5.75 50*70 1.3-4.75
90*90 1.3-5.75 50*80 1.3-4.75
100*100 1.5-12 60*90 1.3-4.75
120*120 2.5-12 50*100 1.3-5.75
140*140 2.75-16 50*150 1.3-5.75
150*150 3.0-16 60*160 1.3-5.75
160*160 3.0-16 100*150 2.5-16
180*180 3.0-16 100*200 2.5-16
200*200 3.0-16 100*250 2.5-16
250*250 4.75-20 150*300 4.5-16
300*300 4.75-20 200*300 5.5-20
400*400 4.75-20 200*400 5.5-20
500*500 4.75-20 400*600 5.5-20

      

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