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Home Material GB /T 1299-2000
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Grade 4CrW2Si
China ISC T40124
Corresponding Standard GB /T 1299-2000
Alloy Tool Steels
Classification Tool Steel
4CrW2Si Chemical Element Composition Content (%)
Component C Si Mn P S Cr Cu W More
Minimum Value 0.35 0.8 - - - 1 - 2 Cu+Ni≤0.55
Maximum Value 0.45 1.1 0.4 0.03 0.03 1.3 0.3 2.5
4CrW2Si Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing 179~217
sample Quenching at 860~900°C, oil cooling HRC
≥53
New and Old Grade Replacement List
Corresponding Standard Grade
GB /T 1299-1985
Grade
GB /T 1299-2000
Grade
China ISC
GB /T 1299-2014
Grade
China ISC
GB /T 1299-2025
Grade
China ISC
1 Approximate Comparison Table Alloy Tool Steel
China Japan Germany Russia
GB JIS DIN EN/DIN GOST
4CrW2Si SKS41 35WCrV7 4ХВ2С
2 Approximate Comparison Table Alloy Tool Steel
China Japan South Korea Germany United Kingdom
GB JIS KS DIN EN/DIN BS EN/BS
4CrW2Si SKS41 SKS41 45WCrV7 BS1
4CrW2Si Corresponding Standards(Same grade name, different standards)
1 GB /T 1299-1985
4CrW2Si
2 GB /T 1299-2014
4CrW2Si T40294
3 GB /T 1299-2000
4CrW2Si T40124
4 GB /T 1299-2025
4CrW2Si T24720

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