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A709 Grade 345W steel

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

A709 Grade 345W steel chemical composition %

  C max Mn Si V P max S max Cu Ni Cr
Type A 0.19 0.8-1.25 0.3-0.65 0.02-0.1 0.04 0.05 0.25-0.4 0.4 max 0.4-0.65
Type B 0.2 0.75-1.35 0.15-0.5 0.01-0.1 0.04 0.05 0.2-0.4 0.5 max 0.4-0.7
Type C 0.15 0.8-1.35 0.15-0.4 0.01-0.1 0.04 0.05 0.2-0.5 0.25-0.5 0.3-0.5

A709 Grade 345W steel Mechanical properties


steel thickness

Steel flange thickness

yield strength

Tensile strength
Steel plate Section steel
200mm 50mm 200mm 200mm
345W ≤100 G 345min 450min 18 21 18 21

Royal industry have more than 2000 tons A709 Grade 345W 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 50, A709 Grade 50S, 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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