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USA UNS S30500
AISI
American Iron and Steel Institute		 305
Corresponding Standard ASTM A493-2009(2013)
Standard Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
Classification Austenitic Stainless Steel
Properties Corrosion Resistance Forgability
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu
Minimum Value - - - - - 17 10.5 -
Maximum Value 0.04 1 2 0.045 0.03 19 13 1
Mechanical Properties
diameter
d
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa
Wires, rebar; d≥2.5 Annealing ≤585
Wires, rebar; d≥2.5 Light Drawing ≤655
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
10Cr18Ni12 S30510 305 SUS 305 STS 305 305 S30500 X6CrNi 18-12 X5CrNi 18-12
(X5CrNi 19-11)
X4CrNi 18-12 		1.4303
1.4303 		Z8CN 18-12 X4CrNi 18-12 1.4303 12Х18Н12Т 305S19
2 Approximate Comparison Table
China Japan United States International Organization for Standardization European Standard
ISC JIS UNS ISO Numerical Grade Numerical Grade
S38148 SUSXM15J1 S30500 X6CrNiSi18-13-4 4884-305-00-X (1.4884)
3 Approximate Comparison Table
Japan United States France European Standard Russia United Kingdom
JIS ASTM NF EN/NF EN Numerical Grade GOST BS EN/BS
SUS305J1 305 Z1CN18-12
Z5CN18-11FF 		X4CrNi18-12 1.4303 06KH18N11 305S19
4 Approximate Comparison Table Stainless steels for cold heading and cold extruding
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI UNS ISO Numerical Grade EN Numerical Grade
10Cr18Ni12
(1Cr18Ni12) 		S30510 SUS305 305 S30500 X6CrNi18-12 4303-305-00-I X6CrNi18-12 1.4303

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