SQUARE steel square pipe/BUILDING MATERIALS/
1.OD:6-630mm
2.Quter Diameter:15*15-400*40
3.thickness:0.7-56mm
4.Standard:BS.JIS.GB.ASME.ANSI.DIN
steel Square pipe
Type:ERW or LSAW or SEAMLESS
Application:structure pipe
Alloy or not:non-alloy
secondary or not:non-secondary
Length:fixed and unfixed
Certification:UL
Wall thickness:0.5-60mm
Section shape:square
Surface treatment:galvanized
Suage:oil,chemical.boiler industry
Grade:carbon,seamless,alloy
Specifications for ERW steel pipe---ASTM A500
All our structural tubes are produced in accordance with the mechanical and chemical property requirements of ASTM specification A500, Grade A, B, C.
Mechanical Properties
Properties
Grade A
Grade B
Grade C
Tensile Strength, min. psi
45,000 (310Mpa)
58,000 (400Mpa)
62,000 (427Mpa)
Yield Strength, min. psi
39,000 (269Mpa)
46,000 (317Mpa)
50,000 (345Mpa)
Elongation in 2」 min.
3/16」 wall & heavier
1/8」 wall
25%
25%
23%
19.5%
21%
21%
Outside Dimensions
Largest Outside Dimension
Tolerance*
2-1/2」 and under
±0.020」
Over 2-1/2」 to 3-1/2」 inclusive
±0.025」
Over 3-1/2」 to 5-1/2」 inclusive
±0.030」
Over 5-1/2」
Quantity Per Month: 5000Ton
HS Code: 706309000
Delivery Way - Date Of Delivery: 30 days after signed the PI