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Grade 12Cr13
China ISC C13
Corresponding Standard GB /T 41157.3-2022
Fasteners for nuclear power plants— Part3: Bolts, screws and studs made of corrosion-resistant stainless steel
Classification Martensitic Stainless Steel
12Cr13 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 0.08 - - - - 11.5
Maximum Value 0.15 1 1 0.03 0.03 13.5
12Cr13 Mechanical Properties
product Test Temperature Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW 		Impact Energy Absorption
KV2
J
Bolts, Screws, Studs Room Temperature 760~960 ≥590 ≥0.2d HBW: 228~285
HRC: ≥20~30
HV: ≥240~300		 0°C:
≥40
Bolts, Screws, Studs ≥490
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
12Cr13
(1Cr13) 		S41010 410 SUS 410 STS 410 410 S41000 X12Cr 13 4006-410-00-I X10Cr 13
X12Cr 13 		1.4006
1.4006 		Z12C 13
Z10C13 		X12Cr 13 1.4006 12Х13
12KH13
15KH13L 		2302 410S21
2 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
12Cr13
(1Cr13) 		S41010 410 SUS 410 STS 410 410 S41000 X12Cr 13
3
(ISO 683-13-1986) 		X10Cr 13 1.4006 Z12C 13 X12Cr 13 1.4006 12Х13 2302 410S21
3 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
12Cr13
(1Cr13) 		S41010 SUS410 410 S41000 X12Cr13 4006-410-00-I X12Cr13 1.4006
12Cr13 Corresponding Standards(Same grade name, different standards)
1 GB
12Cr13
2 GB /T 20878-2007
12Cr13 S41010 (1Cr13)
3 GB /T 1221-2007
12Cr13 S41010 (1Cr13)
4 GB /T 1220-2007
12Cr13 S41010 (1Cr13)
5 GB /T 4240-2019
12Cr13 S41010 (1Cr13)
6 GB /T 4356-2016
12Cr13 S41010 (1Cr13)
7 GB /T 3280-2015
12Cr13 S41010 (1Cr13)
8 GB /T 4238-2015
12Cr13 S41010 (1Cr13)
9 GB /T 8732-2014
12Cr13 S41010 (1Cr13)
10 GB /T 14975-2012
12Cr13 S41010 (1Cr13)
11 GB /T 14976-2012
12Cr13 S41010 (1Cr13)
12 GJB 2294A-2014
12Cr13 (1Cr13)
13 GB /T 41157.3-2022
12Cr13 C13
14 Q/RP 006-2018
12Cr13
15 JB /T 6908-2020
12Cr13 S41010
16 Q/RP 007-2018
12Cr13
17 GB /T 20878-2024
12Cr13 S41010 (1Cr13)

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