A709 Grade50T-2 - ASTM A709/A709M-2021

Grade	A709 Grade50T-2
Corresponding Standard	ASTM A709/A709M-2021 Structural Steel for Bridges
Classification	Alloy Steel

A709 Grade50T-2 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	V
最大直径、厚度或平行平面间距≤100mm	Minimum Value	-	-	-	-	-	0.01
最大直径、厚度或平行平面间距≤100mm	Maximum Value	0.23	0.4	1.35	0.03	0.03	0.15

A709 Grade50T-2 Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤100	≥450	≥345	Plates and bars: L0=200: ≥18 Profiles: L0=200: ≥18 L0=50: ≥21*
t≤50				21°C，4°C，-12°C ≥20
50＜t≤100				21°C，4°C，-12°C ≥27

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