A709 Grade 50 steel

A709 Grade 50 steel condition: Plate, Sheet, Round Bar, Section Steel
A709 Grade 50 steel Surface: Hot rolled,Pickled,Painted,Colored.
A709 Grade 50 steel heat treatment: Normalizing(N), tempering(T), quenching(Q), annealing(A), quenching and tempering (Q&T)
A709 Grade 50 steel specification request: Impact test, Tensile test, UT, Z15/25/35
A709 Grade 50 Main application:bridge Building,Bridge construction

A709 Grade 50 steel chemical composition %

category	Section steel(all)	Steel plate				Steel bar
Thickness(mm）	Section steel(all)	≤20	20~≤40	40~≤65	65~≤100	≤20	20~≤40	40~≤100
C max	0.23	0.25	0.25	0.25	0.27	0.26	0.27	0.28
Mn max	~	~	0.80-1.20	1.80-1.20	1.80-1.20	0.30-0.90	0.30-0.90	0.30-0.90
P max	0.40	0.40	0.40	0.40	0.40	0.40	0.40	0.40
S max	0.50	0.50	0.50	0.50	0.50	0.50	0.50	0.50
Si max	≤0.40	≤0.40	≤0.40	0.15-0.40	0.15-0.40	≤0.40	≤0.40	≤0.40
Cu max	0.20	0.20	0.20	0.20	0.20	0.20	0.20	0.20

A709 Grade 50 steel Mechanical properties

Grade	steel thickness	Steel flange thickness	yield strength	Tensile strength	elongation
					Steel plate			Section steel
					200mm	50mm	200mm	200mm
50	≤100	≤75	345min	450min	18	21	18	21
	~	> 75	345min	450min	18	21	18	21

Royal industry have more than 2000 tons A709 Grade 50 steel stock source each month. We can meet our customer's most of quantity and technical request. Based on these stock source, our advantage industry spread into steel process like : cutting , drilling, welding, milling, machining and steel structure.

Reference Link: A709 Grade 36, A709 Grade 50S, A709 Grade 50W, A709 Grade HPS 50W, A709 Grade 250, A709 Grade 345, A709 Grade 345W, A709 Grade 345S, A709 Grade HPS 345W, A709 Grade HPS 70W, A709 Grade 100, A709 Grade 100W, A709 Grade HPS 100W, A709 Grade HPS 485W, A709 Grade 690, A709 Grade 690W, A709 Grade HPS 690W.

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