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Grade 50CrV4
Germany W-Nr. 1.8159
Corresponding Standard DIN 17200-1987
Steels for Quenching and Tempering; Technical Delivery Conditions
Classification Alloy Steel
Properties Strength
50CrV4 Chemical Element Composition Content (%)
Component C Si Mn P S Cr V
Minimum Value 0.47 - 0.7 - - 0.9 0.1
Maximum Value 0.55 0.4 1.1 0.035 0.03 1.2 0.2
50CrV4 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 		Impact Energy Absorption
KV2
J
Steel; All Sizes Softening Annealing (G) ≤248
Steel; d≤16 Quenching and Tempering (V) 1100~1300 ≥900 ≥9 ≥40 ISO-V
≥30
Steel; 16<d≤40 Quenching and Tempering (V) 1000~1200 ≥800 ≥10 ≥45 ≥30
Steel; 40<d≤100 Quenching and Tempering (V) 900~1100 ≥700 ≥12 ≥50 ≥30
Steel; 100<d≤160 Quenching and Tempering (V) 850~1000 ≥650 ≥13 ≥50 ≥30
Steel; 160<d≤250 Quenching and Tempering (V) 800~950 ≥600 ≥13 ≥50 ≥30
1 Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS DIN EN/DIN W-Nr. NF EN/NF GOST SS14 BS EN/BS
50CrVA A23503 SUP10 SUP10 SPS6 6150 G61500 51CrV4
(50CrV4) 		1.8159 50CV4 50ХФА 2230 735A50
2 Approximate Comparison Table Spring Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS14 BS EN/BS
50CrVA A23503 SUP10 SUP10 SPS6 6150 G61500 51CrV4 51CrV4 1.8159 50CrV4 51CrV4 1.8159 50ХФА 2230 735A50
3 Approximate Comparison Table Structural Alloy Steel
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
50CrVA SUP10 6150 51CrV4 50CrV4 50CrV4
50CV4
51CrV4 		51CrV4 1.8159 50KHGFA 2230 735A50
735A51
4 Approximate Comparison Table Structural Alloy Steel
International Organization for Standardization Germany France European Standard United Kingdom
ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade BS EN/BS
(51CrV4) 50CrV4 1.8159 (50CV 4) 51CrV4 1.8159 [735A50]
50CrV4 Corresponding Standards(Same grade name, different standards)
1 DIN 17200-1987
50CrV4 1.8159
2 DIN 17221-1988
50CrV4 1.8159
3 DIN 17222-1979
50CrV4 1.8159
4 DIN 17225-1955
50CrV4 1.8159

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