Alloy seamless steel tube

Alloy seamless steel tube 1,Standard GB3087 2,Grade;10# 20# Q345 3,Price;USD 600-1000/ton FOB tianjin

Alloy seamless steel tube

1,Standard GB

2,Grade;10# 20# Q345

3,Price;USD 600-1000/ton FOB tianjin

4,Application;For conveying water,petroleum,gas and other common fluids

5,Delivery time ;ten days

6,Pcking : Standard export packing

7,Payment Terms;T/T   L/C

8,Chemical Composition & Mechanical Propertise

Standard	Grade		Chemical Composition
			C	Mn	Si	Cu	Cr	Ni	P.S
GB3087	10#		0.07-0.14	0.35-0.65	0.17-0.37	≤0 .20	≤0 .15	≤0 .25	≤0 .30
	20#		0.17-0.24	0.35-0.65	0.17-0.37	≤0 .20	≤0 .15	≤0 .25	≤0 .30
	Q345		0.12-0.20	0.20-1.60	0.20-0.55				≤0 .30
Mechnical Propertise	Tensile Strength				Yield Strength			Elongation
	10#	335-475			≥205			≥24
	20#	410-550			≥245			≥24
	Q345	490-665			≥325			≥21

Alloy seamless steel tube