Grade C50E
1.1206
Corresponding Standard NF EN 10083-2-2006
Tempered Non-Alloy Structural Steel
Classification Carbon Steel
C50E Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo More
Minimum Value 0.47 - 0.6 - - - - - Cr+Mo+Ni≤0.63 ①
Maximum Value 0.55 0.4 0.9 0.03 0.035 0.4 0.4 0.1
C50E Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
Hardness
HBW
Steel: d ≤ 16mm; t ≤ 8mm Quenching + Tempering (+QT) 750~900 ≥520 ≥13 ≥30 HRC ①
≥56
Steel: 16mm ≤ d ≤ 40mm; 8mm ≤ t ≤ 20mm Quenching + Tempering (+QT) 700~850 ≥460 ≥15 ≥35 HRC ①
≥56
Steel: 40mm ≤ d ≤ 100mm; 20mm ≤ t ≤ 60mm Quenching + Tempering (+QT) 650~800 ≥400 ≥16 ≥40 HRC ①
≥56
Steel: d ≤ 16mm; t ≤ 16mm Normalizing (+N) ≥650 ≥355 ≥13
Steel: 16mm ≤ d ≤ 100mm; 16mm ≤ t ≤ 100mm Normalizing (+N) ≥610 ≥320 ≥14
Steel: 100mm ≤ d ≤ 250mm; 100mm ≤ t ≤ 250mm Normalizing (+N) ≥590 ≥290 ≥14
Steel: Processed to a Certain Shearability (+S) ≤255
Steel: Softening Annealing (+A) ≤217
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
C50E Corresponding Standards(Same grade name, different standards)

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