Grade 40CrNi
Corresponding Standard GB /T 3078-2019
Quality structural steel cold drawm bars
Classification Alloy Steel
40CrNi Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing, Bright Annealing, High-Temperature Tempering or Normalizing and Tempering ≤255
Delivery condition Cold Drawing, Cold Drawing and Polishing *
≤285
1 Approximate Comparison Table structural alloy steel
China United States Germany Russia United Kingdom
GB ISC ASTM/AISI UNS DIN EN/DIN W-Nr. GOST BS EN/BS
20CrNi
40CrNi
50CrNi
A40202
A40402
A40502
3140 G31400 40NiCr6 1.5711 20ХН
40ХН
50ХН
640M40
2 Approximate Comparison Table structural alloy steel
China Japan Russia
GB JIS GOST
40CrNi
40CrNiA
40CrNiE
SNC236 40XH
40XHA
40XHШ
40CrNi Corresponding Standards(Same grade name, different standards)

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