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Home Material JIS G 4404-2015
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Grade SKD 1
Corresponding Standard JIS G 4404-2015
Alloy Tool Steels
Classification Tool Steel
SKD 1 Chemical Element Composition Content (%)
Component C Si Mn P S Cr
Minimum Value 1.9 0.1 0.2 - - 11
Maximum Value 2.2 0.6 0.6 0.03 0.03 13
SKD 1 Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Rolled or Forged Products Annealing ≤248
Rolled or Forged Products Quenching + Tempering HV
746
1 Approximate Comparison Table Alloy Cold-Work Tool Steel
China Japan International Organization for Standardization Germany France European Standard Russia United Kingdom
GB JIS ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST BS EN/BS
Cr12 SKD1 X210Cr12 X210Cr12 Z200C12 X210Cr12 1.2080 KH12 BD3
2 Approximate Comparison Table Alloy Tool Steel
Japan United States Germany France United Kingdom
JIS ASTM/AISI DIN EN/DIN NF EN/NF BS EN/BS
SKD1 D3 X210Cr12 Z200C12 BD3
3 Approximate Comparison Table Alloy Tool Steel
China Japan South Korea United States International Organization for Standardization Germany United Kingdom
GB JIS KS ASTM/AISI ISO DIN EN/DIN BS EN/BS
Cr12 SKD1 STD1 D3 210Cr12 X210Cr12 BD3
4 Approximate Comparison Table Alloy Tool Steel 1
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
Cr12 T21200 SKD 1 SKD 1 STD 1 D3 T30403 X210Cr12 X210Cr12 1.2080 X210Cr12
X200Cr12 		Х12 X210Cr12
BD3
5 Approximate Comparison Table Alloy Tool Steel 2
China Japan United States Germany France Russia United Kingdom
GB JIS ASTM DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
Cr12 SKD 1 D3 X210Cr12 1.2436 Z200C12 12 BD3
SKD1 Corresponding Standards(Same grade name, different standards)
1 JIS G 4404-2015
SKD 1
2 JIS G 4404-2022
SKD 1

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