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You are here : section steel--Katalor steel > Rectangular hollow section > 正文GB3094 Q345 rectangular hollow section, rectangular pipe, rectangular tube

GB3094 Q345 rectangular hollow section, rectangular pipe, rectangular tube

GB3094 Q345 rectangular hollow section, rectangular pipe, rectangular tube

GB/T 6728 Q345 square hollow section is widely used for agricultural and chemical machinery, glass curtain wall, car chassis, airports, boiler construction, highway railings, housing construction, pressure vessel , oil storage tanks, bridges, power station equipment, lifting and transport machinery and other higher loads welded structure steels and so on.

Q345 rectangular hollow section Feature:
1.High strength grades are highly competitive on the market of alternative products

2.Flat surface of the tube makes it easy to couple with other materials or perform other fabrication process

3.Clean lines make it easily apply finishes

4.Minimal edge preparation required for joining and welding

5.Advanced coatings suit most top coats

6.Easy and safe to weld

GB3094 Q345 rectangular hollow section Chemical Composition Analysis:

Grade		C	Si	Mn	P	S
GB3094 Q345	A	≤0.20	≤0.50	≤1.70	0.035	0.035
	B				0.035	0.035
	C				0.030	0.030
	D	≤0.18			0.030	0.025
	E	≤0.18			0.025	0.020

GB3094 Q345 rectangular hollow section Mechanical Properties:

Grade		Thickness mm	Yield strength MPa	Tensile strength MPa	Elongation %
GB3094 Q345	A	≤40	≥335	470~630	≥20
	B
	C				≥21
	D
	E

Katalor enterprises will use our professional services, best quality and competitive price to fulfill each customers needs in Q345 rectangular hollow section .More information about Q345 rectangular hollow section price, please feel free to contact us, we will always do our best to help you.