中文版
Home Material EN 10090-1998
简体 | 繁體
Grade X53CrMnNiN21-9
European Standard Steel Grade 1.4871
Corresponding Standard EN 10090-1998
Valve steels and alloys for internal combustion engines
Classification Alloy Steel
Properties Corrosion Resistance
X53CrMnNiN21-9 Chemical Element Composition Content (%)
Component C Si Mn P S ② Cr Ni N
Minimum Value 0.48 - 8 - - 20 3.25 0.35
Maximum Value 0.58 0.25 10 0.045 0.03 22 4.5 0.5
X53CrMnNiN21-9 Mechanical Properties
condition Test Temperature Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
% 		Hardness
HBW
Steel Room Temperature Controlled cooled ≈1300 ≈385
Steel Room Temperature Quenched at 1000°C to 1100°C ≤1300 ≤385
Steel d≤40 Room Temperature +AT +P 950~1200 ≥580 ≥8 ≥10 HRC≥30*
Steel +AT +P ≥650 ≥350
Steel ≥600 ≥330
Steel ≥550 ≥300
Steel ≥500 ≥270
Steel ≥450 ≥250
Steel ≥370 ≥230
Steel ≥300 ≥200
1 Approximate Comparison Table Austenitic Heat-Resistant Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
53Cr21Mn9Ni4N
(5Cr21Mn9Ni4N) 		S35650 SUH 35 SUH 35 STR 35 S63008 X53CrMnNiN 21-9 X53CrMnNiN 21-9 1.4871 Z52CMN 21-09 X53CrMnNiN 21-9 1.4871 55Х20Г9AН4 349S52
2 Approximate Comparison Table Valve Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS Commercial Grade UNS SAE ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
53Cr21Mn9Ni4N
(5Cr21Mn9Ni4N) 		S35650 35 SUH 35 STR 35 21-4N S63008 EV8 X53CrMnNiN 21-9 ~ X53CrMnNiN 21-9 1.4871 Z53CMN 21-09Az X53CrMnNiN 21-9 1.4871 55Х20Г9АН4 349S52
3 Approximate Comparison Table Austenitic Heat-Resistant Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST BS EN/BS
5Cr21Mn9Ni4N SUH35 EV12 Type9 X53CrMnNiN21-9 Z52CMN21-09 X53CrMnNiN21-9 1.4871 55KH20G9AN4 349S54
X53CrMnNiN21-9 Corresponding Standards(Same grade name, different standards)
1 EN 10090-1998
X53CrMnNiN21-9 1.4871
2 NF EN 10090-1998
X53CrMnNiN21-9 1.4871

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