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Grade C45E
European Standard Steel Grade 1.1191
Corresponding Standard EN 10305-1-2010
Classification Carbon Steel
C45E Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo More
Minimum Value 0.42 - 0.5 - - - - Cr+Mo+Ni≤0.63
Maximum Value 0.55 0.4 0.8 0.03 0.035 0.4 0.1
C45E Mechanical Properties
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
%
Seamless steel pipe C45E +C Cold Drawn Hardened (+C) ≥720 ≥4
Seamless steel pipe C45E +LC Cold Precision Finished (+LC) ≥670 ≥6
Seamless steel pipe C45E +A Annealing (+A) ≥510 ≥20
Seamless steel pipe C45E +N Normalizing (+N) ≥540 ≥340 ≥18
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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