S2 629-470 Cat1 - BS 3059-2-1990 - H2ABC

中文版

Grade	S2 629-470 Cat1
Corresponding Standard	BS 3059-2-1990 Steel Boiler and Superheater Tubes - Part 2. Specification For Carbon, Alloy and Austenitic Stainlesssteel Tubes with Specified Elevated Temperature Properties
Classification	Alloy Steel
Density	7.73 g/cm³

S2 629-470 Cat1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni ^*	Cu ^*	Mo	Al	Sn ^*
Minimum Value	-	0.25	0.3	-	-	8	-	-	0.9	-	-
Maximum Value	0.15	1	0.6	0.03	0.03	10	0.3	0.25	1.1	0.02	0.03

S2 629-470 Cat1 Mechanical Properties

condition	Test Temperature	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Steel pipe	Room Temperature		470~620	≥185	≥20
Steel pipe		Annealing		Rp0.2≥121
Steel pipe		Annealing		Rp0.2≥117
Steel pipe		Annealing		Rp0.2≥115
Steel pipe		Annealing		Rp0.2≥112

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