1Cr18Ni9 - GB 5310-1995

Grade	1Cr18Ni9
Corresponding Standard	GB 5310-1995 Seamless Steel Tubes and Pipes for High Pressure Boiler
Classification	Austenitic Stainless Steel

1Cr18Ni9 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^①
Minimum Value	-	-	-	-	-	17	8	-
Maximum Value	0.15	1	2	0.035	0.03	19	10	0.2

• Steel produced by oxygen converter and secondary refining outside the furnace has a nitrogen content not exceeding 0.008%

1Cr18Ni9 Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
solution treatment	≥520	≥205	≥35

Approximate Comparison Table Austenitic Stainless Steel

1Cr18Ni9 Corresponding Standards(Same grade name, different standards)

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