A709 Grade 345 steel

A709 Grade 345 steel condition: Plate, Sheet, Round Bar, Section Steel
A709 Grade 345 steel Surface: Hot rolled,Pickled,Painted,Colored.
A709 Grade 345 steel heat treatment: Normalizing(N), tempering(T), quenching(Q), annealing(A), quenching and tempering (Q&T)
A709 Grade 345 steel specification request: Impact test, Tensile test, UT, Z15/25/35
A709 Grade 345Main application:bridgeBuilding,Bridge construction

A709 Grade 345Steel chemical composition%

category	Sectionsteel(all)	Steel plate				Steel bar
Thickness(mm）	Sectionsteel(all)	≤20	20~≤40	40~≤65	65~≤100	≤20	20~≤40	40~≤100
Cmax	0.23	0.25	0.25	0.25	0.27	0.26	0.27	0.28
Mnmax	~	~	0.80-1.20	1.80-1.20	1.80-1.20	0.30-0.90	0.30-0.90	0.30-0.90
Pmax	0.40	0.40	0.40	0.40	0.40	0.40	0.40	0.40
Smax	0.50	0.50	0.50	0.50	0.50	0.50	0.50	0.50
Simax	≤0.40	≤0.40	≤0.40	0.15-0.40	0.15-0.40	≤0.40	≤0.40	≤0.40
Cumax	0.20	0.20	0.20	0.20	0.20	0.20	0.20	0.20

A709 Grade 345Steel Mechanical properties

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

Royal industry havemore than 2000tonsA709 Grade 345Steel stock sourceeach month. We can meet our customer's most ofquantityand technicalrequest. Based on these stock source, our advantage industry spread into steel process like : cutting ,drilling, welding, milling, machining and steel structure.

ReferenceLink:A709 Grade 36, A709 Grade 345S, A709 Grade 345W, A709 Grade,HPS 50W, A709 Grade 250, A709 Grade 50, 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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