Q345 Structural Steel Equivalent ASTM A572 Grade 50

Q345 structural steel has good mechanical properties, low temperature performance, plasticity and good weld ability, Q345 steel is mostly used in low pressure vessel, oil tank, vehicles, cranes, mining machinery, power stations, mechanical parts, building structure, and general metal parts.

Q345 Steel Chemical Composition:

Steel Standard	Steel Grade	Chemical Composition
		C≤	Mn	Si≤	P≤	S≤	V	Nb	Ti	Al≥
Q345	A	0.020	1.00~1.60	0.55	0.045	0.045	0.02~0.15	0.015~0.060	0.20	-
	B	0.020	1.00~1.60	0.55	0.040	0.040	0.02~0.15	0.015~0.060	0.20	-
	C	0.020	1.00~1.60	0.55	0.035	0.035	0.02~0.15	0.015~0.060	0.20	0.015
	D	0.020	1.00~1.60	0.55	0.030	0.030	0.02~0.15	0.015~0.060	0.20	0.015
	E	0.020	1.00~1.60	0.55	0.025	0.025	0.02~0.15	0.015~0.060	0.20	0.015

Q345 Steel Mechanical Property:

Steel Standard	Steel Grade	Yield Strength Mpa	Tensile Strength Map	Elongation %
Q345	A	345	470~630	21
	B	345	470~630	21
	C	345	470~630	22
	D	345	470~630	22
	E	345	470~630	22

345 Steel Equivalent Standard(ASTM/EN/JIS):

Steel for boiler and other pressure vessels	GB 713-2008 ASTM A537-08 JIS G3115	Q245R (20g/20R); Q345R (16Mng/16MnR) Class 1/2/3 SPV235; SPV315; SPV355
High strength low alloy structural steel	GB/T 1591-2008 EN 10028-3-2003 EN 10025-2004 ASTM A572-07 ASTM A588-05	Q345 (A/B/C/D/E); Q390; Q420 P355N S420N Grade 50; Grade 60 Grade A; Grade B

Q345 Structural Steel Specification
Grade: GB Q345/ASTM A572Gr50
Standard: ASTM,GB
Thickness: 15mm~80mm
Width: 800mm~1200mm
Length: 2000~6000m
We can supply any size based on customer's requirements.
learn more:http://www.ice-steels.com/News/Q345-Structural-Steel-Equivalent-ASTM-A572-Grade-50.html

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