16CuCr - GB /T 4172-1984

Grade	16CuCr
Corresponding Standard	GB 4172-1984 Atmosphere corrosion resisting steel for welded structure
Classification	Alloy Steel

16CuCr Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu
Minimum Value	0.12	0.15	0.35	-	-	0.2	0.2
Maximum Value	0.2	0.35	0.65	0.04	0.04	0.6	0.4

16CuCr 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≤16	≥402	≥245	≥22	-
16＜t≤40	≥402	≥235	≥24	0°C: ≥27 -20°C: ≥27
t＞40	≥382	≥216	≥22	0°C: ≥27 -20°C: ≥27

New and Old Grade Replacement List

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