Steel Square/Rectangular Pipes, description about Construction frame mild carbon rectangular hollow steel pipe on China Suppliers Mobile

Product Description

Construction frame mild carbon rectangular hollow steel pipe

Product Name

Rectangular Pipe

Material

Q235,Q345

Material Chemical Composition

Q235A	C ≤0.22	Mn ≤1.4	Si ≤0.35	S ≤0.050	P ≤0.045
Q235B	C ≤0.20			S ≤0.045	P ≤0.045
Q235C	C ≤0.17			S ≤0.040	P ≤0.040
Q235D	C ≤0.17			S ≤0.035	P ≤0.035

Tensile strength: 375-460(Mpa)

Yield strength:≥235(Mpa)

Elongation:≥26(a≤16mm)
≥25(a>16-40mm)
≥24(a>40-60mm)
≥23(a>60-100mm)
≥22(a>100-150mm)
≥21(a>150mm)

Q345A	C≤0.20	Mn ≤1.70	Si≤0.50	P≤0.035	S≤0.035	-	Nb≤0.07 V≤0.15 Ti≤0.20 Cr≤0.30 Ni≤0.012 Mo≤0.10
Q345B	C≤0.20			P≤0.035	S≤0.035	-
Q345C	C≤0.20			P≤0.030	S≤0.030	Al≥0.015
Q345D	C≤0.18			P≤0.030	S≤0.025
Q345E	C≤0.18			P≤0.025	S≤0.020

Tensile strength: 490-675(Mpa)

Yield strength:≥345(Mpa)

Elongation:

Q345A	≥21
Q345B	≥21
Q345C	≥22
Q345D	≥22
Q345E	≥22

Shape

Rectangular

Outer Dia(mm)

10*20-700*300

Wall Thickness(mm)

0.6-25

Length(m)

5.8-12

Surface Treatment

1)Black,Pre-galvanized

2)oiled,powder coating

3)Galvanized as your requirement

PS:Pre galvanized steel pipe: 60-150g/m2;Hot dipped galvanized steel pipe: 200-400g/m2

Others

1:Special design available according to requirement
2:Pipe can be necked dowm, punching hole on pipe wall.
3:Pipe fittings, elbows are available.
4.All production process are under the ISO9001:2000 strictly

Place of Origin	Jiangsu, China
Certification	BSI
Thickness	0.6, 25
Application	Structure Pipe
Surface Treatment	Galvanized,Black,Painting
Technique	ERW
Standard
Alloy Or Not	Is Alloy
Grade
Outer Diameter	1020--700300mm
Secondary Or Not	Non-secondary
Special Pipe	API Pipe
Section Shape	Rectangular

Construction frame mild carbon rectangular hollow steel pipe

Product Features

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