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Grade C45E
European Standard Steel Grade 1.1191
Corresponding Standard EN 10132-2021
Cold rolled narrow steel strip for heat treatment - Technical delivery conditions
Classification Carbon Steel
C45E Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo More
Minimum Value 0.42 - 0.5 - - - - - - Cr+Mo+Ni≤0.63
Maximum Value 0.5 0.4 0.8 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.
C45E 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) ≤570 ≤455 ≥18 HV
≤180
cold rolled(+CR)** ≤1020 HV
≤290
quenched and tempered(+QT)*** 900~1500 HV
280~460
• 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
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
45 U20452 S45C S45C SM45C 1045 G10450 C45E4 C45E
Ck45 		1.1191 C45E
XC48 		45 1660 C45E
080M46
2 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany Sweden
YB GB ISC JIS ASTM/AISI ISO DIN EN/DIN W-Nr. SS
SM45 SM45 T10450 S45C 1045 C45E4 C45E 1.1191 1660
3 Approximate Comparison Table
China Japan International Organization for Standardization European Standard
GB JIS ISO EN Numerical Grade
45 S45C C45E C45E 1.1191
4 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
45H
45 		S45C 1045 C45E4 Ck45 XC45
XC48H1 		C45E 1.1191 45 1672 080M46
CFS8
5 Approximate Comparison Table
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM/AISI ISO EN Numerical Grade
45Mn
(GB/T 699-2015) 		U21452 SWRH47B
(JIS G3506:2004) 		1046
(ASTM A29/A29M:2005) 		C45E4
(ISO 683-18:1996) 		C45E
(EN 1008-1:1991+A1:1996)
(EN 10084:1998) 		1.1191
C45E Corresponding Standards(Same grade name, different standards)
1 EN 10083-2-2006
C45E 1.1191
2 EN 10269-2006
C45E 1.1191
3 EN 10297-1-2003
C45E 1.1191
4 EN 10250-2-2000
C45E 1.1191
5 EN 10305-1-2010
C45E 1.1191
6 EN 10269-2013
C45E 1.1191
7 NF EN 10269-1999
C45E 1.1191
8 ISO 683-1-2016
C45E
9 DIN EN 10269-2014
C45E 1.1191
10 DIN EN ISO 683-1-2018
C45E
11 ISO 683-18-2014
C45E
12 EN ISO 683-1-2018
C45E 1.1191
13 EN 10132-2021
C45E 1.1191
14 NF EN 10083-2-2006
C45E 1.1191 (XC48H1)

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