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Grade C50E
European Standard Steel Grade 1.1206
Corresponding Standard EN 10132-2021
Cold Rolled Narrow Steel Strip for Heat Treatment - Technical Delivery Conditions
Classification Carbon Steel
C50E Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo More
Minimum Value 0.47 - 0.6 - - - - - - Cr+Mo+Ni≤0.63
Maximum Value 0.55 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.
C50E 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) ≤580 ≤465 ≥17 HV
≤180
cold rolled(+CR)** ≤1050 HV
≤295
quenched and tempered(QT)*** 1050~1650 HV
325~505
• 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
50 U20502 S50C S50C SM50C 1050 G10500 C50E4 C50E
Ck53 		1.1210 C50E 50 1674 C50E
080M50
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
SM50 SM50 T10500 S50C 1050 C50E4 C50E 1.1210 1674
3 Approximate Comparison Table Non-Alloy Steel for Quenching and Tempering
China Japan International Organization for Standardization European Standard
GB JIS ISO EN Numerical Grade
50 S50C C50E C50E 1.1206
4 Approximate Comparison Table High-Quality Carbon Structural Steel
Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
JIS ASTM ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
S50C 1050 C50E4 Ck50 XC50 C50E 1.1206 50 1674 080M50
CS50
5 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
50Mn
(GB/T 699-2015) 		U21502 SWRH52B
(JIS G3506:2004) 		1053
(ASTM A29/A29M:2005) 		C50E4
(ISO 683-18:1996) 		C50E
(EN 1008-1:1991+A1:1996)
(EN 10084:1998) 		1.1206
C50E Corresponding Standards(Same grade name, different standards)
1 EN 10083-2-2006
C50E 1.1206
2 ISO 683-1-2016
C50E
3 DIN EN ISO 683-1-2018
C50E
4 ISO 683-18-2014
C50E
5 EN 10132-2021
C50E 1.1206
6 NF EN 10083-2-2006
C50E 1.1206

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