Grade C25E
Corresponding Standard DIN EN ISO 683-1-2018
Heat-treatable steels,alloy steels and free-cutting steels--Part 1: Non-alloy steels for quenching and tempering
Classification Carbon Steel
C25E Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo More
Minimum Value 0.22 0.1 0.4 - - - - - - Cr+Mo+Ni≤0.63
Maximum Value 0.29 0.4 0.7 0.025 0.035 0.4 0.4 0.3 0.1
C25E Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Impact Energy Absorption
KV2
J
d≤16; t≤8 Quenching and Tempering 550~700 ≥370 ≥19 ≥35
16<d≤40;8<t≤20 Quenching and Tempering 500~650 ≥320 ≥21 ≥35
d≤16;t≤16 Normalizing (N) ≥470 ≥260 ≥22
16<d≤100;16<t≤100 Normalizing (N) ≥440 ≥230 ≥23
New and Old Grade Replacement List
Corresponding Standard Grade
DIN 17200-1987
Grade
Germany W-Nr.
DIN EN ISO 683-1-2018
Grade
Approximate Comparison Table High-Quality Carbon Structural Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
25 U20252 S25C S25C SM25C 1025 G10250 C25E4 C25E
Ck25
1.1158 C25E
XC25
25 C25E
070M26
C25E Corresponding Standards(Same grade name, different standards)

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