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Home Material GB /T 1220-2007
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Grade 03Cr18Ni16Mo5
China ISC S31794
Old Grade
Corresponding Standard GB /T 1220-2007
Stainless Steel Bars
Classification Austenitic Stainless Steel
Properties Corrosion Resistance
03Cr18Ni16Mo5 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value - - - - - 16 15 4
Maximum Value 0.04 1 2.5 0.045 0.03 19 17 6
03Cr18Ni16Mo5 Mechanical Properties
diameter
d
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
% 		Hardness
HBW
d≤180 Solid Solution Treatment ≥480 ≥175 ≥40 ≥45 HBW:≤187
HRB:≤90
HV:≤200
• This does not apply to flat bars, but if required by the buyer, it shall be determined through negotiation between the supplier and the buyer.
1 Approximate Comparison Table
China Taiwan, China Japan South Korea
GB ISC CNS JIS KS
03Cr18Ni16Mo5 S31794 317J1 SUS 317J1 STS 317J1
2 Approximate Comparison Table
China Japan International Organization for Standardization European Standard
ISC JIS ISO Numerical Grade Numerical Grade
S31794 SUS317J1 X3CrNiMo18-16-5 4476-317-92-X (1.4476)
03Cr18Ni16Mo5 Corresponding Standards(Same grade name, different standards)
1 GB /T 20878-2007
03Cr18Ni16Mo5 S31794 (0Cr18Ni16Mo5)
2 GB /T 1220-2007
03Cr18Ni16Mo5 S31794 (0Cr18Ni16Mo5)
3 GB /T 20878-2024
03Cr18Ni16Mo5 S31794 (0Cr18Ni16Mo5)

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!