HS code: 73066100
Secondary or not: Non-secondary
Alloy or not: Non-alloy
Technique: ERW, hot rolled or cold rolled
Standard: BS 1387, BS EN 39, BS EN 10219, GB/T 3091, ASTM A53, JIS G3444, etc.
Grade/Material: 10#, 20#, 45#, Q195, Q235, Q345, 16Mn, ST 37.4, A53(A,B), etc.
Place of origin: Tianjin, China(Mainland)
Brand name: Tianjin Denuoxin Steel Pipe Manufacturing Co., Ltd
Certifications: ISO 9001:2008, BV, SGS, ABS
Production capacity: 3500 ton/week
Section shape: Square/ Rectangular
Outer diameter: 10*10-500*500mm
Wall thickness: 5mm
Length: 2-12m, or cut as request.
Technique tolerance: OD +/-1mm, WT +/-0.5mm, Length +/-20mm
Surface treatment: Galvanized, painted, oiled, printed or powder coated
Zinc coated: pre-galvanized, 80-120 g/m2; hot dip galvanized, 230-500 g/m2
Colour: Silver, black or painted as request
End of pipe: Plain burred, beveled
Minimum quantity or order: 10Mt
Trade term: FOB Tianjin China, C&F
Payment term: T/T or L/C
Loading Port: Tianjin Xingang Port, China
Package: 1.Big OD: in bulk; 2.Small OD: in bundles, packed by steel strips; 3. Waterproof package with plastic cloth; 4.Standard export package; 5.According to customers’ requirements.
Delivery: Within 20-30 or more days after receiving T/T deposit or L/C, according to the quantity of order.
Our products spread all over the world, such as Singapore, Mexico, Mauritius, Suriname, Thailand, Australia... are popular in not only the overseas market, but also in the domestic market, such as Beijing, Shanghai, Guangzhou, Hong Kong, Taiwan, etc.
General specifications of square steel pipe
Specification
Wall thickness
Length
Weight
mm
mm
m
kg/m
20*20
1.0-2.0
2.0-11.55 As request.
0.604-1.158
25*25
1.3-3.0
0.979-2.134
30*30
1.3-3.0
1.183-2.605
40*40
1.3-6.0
1.592-6.652
50*50
1.3-6.0
2.000-8.536
60*60
1.3-6.0
2.409-10.421
70*70
1.3-6.0
2.817-12.306
80*80
1.3-7.75
3.225-17.996
90*90
1.3-7.75
3.634-20.430
100*100
1.5-13.0
4.657-36.671
120*120
2.5-15.0
9.270-50.997
130*130
2.5-15.0
10.055-55.709
140*140
2.5-15.0
10.841-60.421
150*150
2.5-15.0
11.626-65.133
160*160
2.5-15.0
12.411-69.845
180*180
2.5-15.0
13.982-79.269
200*200
2.75-15.75
17.091-92.837
250*250
3.5-17.75
21.411-117.575
300*300
4.75-17.75
32.683-159.510
350*350
4.75-17.75
51.669-187.390
400*400
4.5-17.75
56.046-215.270
450*450
4.5-17.75
63.114-243.150
500*500
4.5-17.75
70.182-271.030
Applications:
Widely used in the fields of structural construction, low-pressure liquid transportation, scaffolding, etc.
