A709 GR 50 steel supplier, A709 GR 50 steel application

ASTM A709 GR.50 steel plate is a kind of low alloy structural steel which is for building bridges in normal constructions. For better weathering resistance, generally steel plate A709 Grade 50W is better used for outside situations.
ASTM A709 standard specification for structural steel for bridges

C =	Si =	Mn =	P =	S =
0.23	0.4	1.35	0.04	0.05
Nb	Ti	V	N
0.005-0.05	0.006-0.04	0.01-0.15	0.003-0.015

A709 GR.50 steel mechanical properties

Grade	Thick mm	Yield [MPa] Min	Tensile [ MPa ]	Elongtation Min %				reduction Min %	HB
				Steel Plate		Structural steel
				200mm	50mm	200mm	50mm
A709 Grade 50	≤100	345	450min	18	21	18	21

A709 Grade 50 steel physical properties

Quantity	Value	Unit
Thermal expansion	16 - 17	e-6/K
Thermal conductivity	16 - 16	W/m.K
Specific heat	500 - 500	J/kg.K
Melting temperature	1370 - 1400	C
Service temperature	0 - 500	C
Density	8000 - 8000	kg/m3
Resistivity	0.7 - 0.7	Ohm.mm2/m

Bebon steel can supply high quality A709 GR.50 steel plates. If you have any requires, please contact us!