中文版
Home Material EN 10132-2021
简体 | 繁體
Grade C55E
European Standard Steel Grade 1.1203
Corresponding Standard EN 10132-2021
Cold rolled narrow steel strip for heat treatment - Technical delivery conditions
Classification Carbon Steel
C55E Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo More
Minimum Value 0.52 - 0.6 - - - - - - Cr+Mo+Ni≤0.63
Maximum Value 0.6 0.4 0.9 0.025 0.035 0.4 0.4 0.3 0.1
① Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser, other than for the purpose of finishing the heat. All reasonable precautions shall be taken to prevent the addition, from scrap or other material used in manufacture, of such elements which affect the hardenability, mechanical properties and application.
C55E Mechanical Properties
Delivery condition* Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
annealed (+A) or annealed and skin passed(+LC) ≤600 ≤480 ≥17 HV
≤185
cold rolled(+CR)** ≤1070 HV
≤300
quenched and tempered(QT)*** 1100~1700 HV
340~520
• The elongation values in the table are for a gauge length of 80 mm.
• +A=annealed，+LC=annealed and skin passed，+CR=cold rolled，+QT=quenched and tempered
1 Approximate Comparison Table High-Quality Carbon Structural Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS BS EN/BS
55 U20552 S55C S55C SM55C 1055
(ASTM) 		G10550 C55E4 C55E
Ck55 		1.1203 C55E
XC55 		55 1665 C55E
070M55
2 Approximate Comparison Table Plastic Mold Steel
China Japan United States International Organization for Standardization Germany Sweden
YB GB ISC JIS ASTM/AISI ISO DIN EN/DIN W-Nr. SS
SM55 SM55 T10550 S55C 1055 C55E4 C55E 1.1203 1665
3 Approximate Comparison Table High-Quality Carbon Structural Steel
Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST BS EN/BS
S55C 1055 C55E4 Ck55 XC54
XC55H1 		C55E 1.1203 55 070M55
4 Approximate Comparison Table High-Quality Carbon Structural Steel
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI ISO EN Numerical Grade
55
(GB/T 699-2015) 		U20552 S55C
(JIS G4051:2005)
(JIS G3506:2004) 		1055
(ASTM A29/A29M:2005) 		C55E4
(ISO 683-18:1996) 		C55E
(EN 10083-1:1991+A1:1996)
(EN 10084:1998) 		1.1203
C55E Corresponding Standards(Same grade name, different standards)
1 EN 10083-2-2006
C55E 1.1203
2 EN 10250-2-2000
C55E 1.1203
3 ISO 683-1-2016
C55E
4 DIN EN ISO 683-1-2018
C55E
5 EN 10132-2021
C55E 1.1203
6 NF EN 10083-2-2006
C55E 1.1203 (XC55H1)

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