223 Grade 490 - BS 1501-1-1980 - H2ABC

中文版

Grade	223 Grade 490
Corresponding Standard	BS 1501-1-1980 Steels for Fired and Unfired Pressure Vessels : Plates Part 1. Specification for Carbon and Carbon Manganese Steels
Classification	Alloy Steel

223 Grade 490 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Nb	More
Minimum Value	-	0.1	0.9	-	-	-	-	-	-	0.01	Cr+Cu+Mo+Ni≤0.7
Maximum Value	0.2	0.5	1.6	0.03	0.03	0.25	0.3	0.3	0.1	0.06	Cr+Cu+Mo+Ni≤0.7

223 Grade 490 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
3＜t≤16	正火N	490~610	≥355	≥21	RT: ≥61 0°C: ≥55 -15°C: ≥41 -30°C: ≥27
16＜t≤40	正火N	490~610	≥345	≥21	RT: ≥61 0°C: ≥55 -15°C: ≥41 -30°C: ≥27
40＜t≤63	正火N	490~610	≥340	≥20	RT: ≥61 0°C: ≥55 -15°C: ≥41 -30°C: ≥27
63＜t≤100	正火N	490~610	①	≥20	agreement
100＜t≤150	正火N	490~610	①	≥20	agreement

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