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Home Material GB /T 1222-2016
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Grade 30W4Cr2V
China ISC A27303
Corresponding Standard GB /T 1222-2016
Spring Steels
Classification Spring Steel
30W4Cr2V Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu * W V
Minimum Value 0.26 0.17 - - - 2 - - 4 0.5
Maximum Value 0.34 0.37 0.4 0.025 0.02 2.5 0.35 0.25 4.5 0.8
30W4Cr2V Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
% 		Hardness
HBW
Quenching and Tempering ≥1470 ≥1325 ≥7 ≥40 -
Hot Rolled (WHR) - - - - Negotiated Between Supplier and Buyer
Hot rolled + stress relief annealing (WHR+A) - - - - ≤321
Approximate Comparison Table Spring Steel
China Germany
GB ISC DIN EN/DIN W-Nr.
30W4Cr2VA A27303 30WCrV17-9 1.5467

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