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Grade STS 301
Corresponding Standard KS D 3706-2008
Stainless steel bars
Classification Austenitic Stainless Steel
Density 7.93 g/cm3
STS 301 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni
Minimum Value - - - - - 16 6
Maximum Value 0.15 1 2 0.045 0.03 18 8
STS 301 Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
% 		Hardness
HBW
≥520 ≥205 ≥40 ≥60 HBW:≤207
HRBW or HRBS:≤95
HV:≤218
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF Numerical Grade BS EN/BS
12Cr17Ni7
(1Cr17Ni7) 		S30110 301 SUS 301 STS 301 301 S30100 X5CrNi 17-7
X12CrNi17-7
14
(ISO 683-13:1986) 		4319-301-00-I
4310-301-09-X 		X10CrNi 18-8 1.4310 Z12CN 17-07
Z12CN 18-07 		1.4319 301S21
2 Approximate Comparison Table Stainless steels for cold heading and cold extruding
China Japan South Korea United States International Organization for Standardization Germany France United Kingdom
GB JIS KS ASTM/AISI ISO DIN EN/DIN NF EN/NF BS EN/BS
1Cr17Ni7 SUS301 STS301 301 X10CrNi18-8
14 		X12CrNi17-7 Z12CN17-07 301S21

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