ASTM A572 Gr 42 mild steel sheet in China

As a leading supplier of ASTM A572 Gr 42 mild steel sheet in China, we can supply A572 Gr 42 steel plates, A572 Gr 42 steel sheets and A572 Gr 42 steel coils with high quality and prime quality. A572 Gr 42 mild steel sheet under this specification is produced with size range 3mm to 150mm in thickness.
ASTM A572 specification covers the standard requirements for Grades 42 [290], 50 [345], 55 [380], 60 [415], and 65 [450] of high-strength low-alloy columbium-vanadium structural steel. Tensile requirements (including yield point, tensile strength, and minimum elongation) and alloy content are also specified as follows below.
 

ASTM A572 Gr 42 equivalent

Material no.	EN10025-2	ASTM	DIN 17100	JIS G3106	GB/T1591
1.0045	S355JR	ASTM A572	St52-3	SM490A	Q345B

Chemical composition (%) in plates and bars

Grades	Thickness	Carbon, max	Manganese, max	Phosphorus, max	Sulfur, max	Silicon, max
Grade 42	6inch	0.21	1.35	0.030	0.030	0.40

Mechanical properties in plates and bars

Grades	Yield Strength min, MPa [ksi]	Tensile Strength  min., MPa [ksi]	Elongation % min., in 200 mm	Elongation % min., in 50 mm
Grade 42	290 [42]	415[60]	20	24

For application, A572 Gr 42 steel shapes, plates, sheet piling, and bars are mainly for applications in bolted, welded, and riveted structures in bridges and buildings.