S1 762 Cat2 - BS 3059-2-1990 - H2ABC

中文版

Grade	S1 762 Cat2
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

S1 762 Cat2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.17	-	-	-	-	10	0.3	-	0.8	0.25
Maximum Value	0.23	0.5	1	0.03	0.03	12.5	0.8	0.25	1.2	0.35

S1 762 Cat2 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		720~870	≥470	≥15
Steel pipe		Normalizing + Tempering		Rp0.2≥345
Steel pipe		Normalizing + Tempering		Rp0.2≥337
Steel pipe		Normalizing + Tempering		Rp0.2≥324
Steel pipe		Normalizing + Tempering		Rp0.2≥296

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