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Grade A600 T15
USA UNS T12015
AISI
American Iron and Steel Institute		 T15
Corresponding Standard ASTM A600-1992(R2010)
Standard Specification for Tool Steel High Speed
Classification Alloy Steel
Properties Hardness
A600 T15 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Mo W V Co More
Minimum Value 1.5 0.15 0.15 - - 3.75 - 11.75 4.5 4.75 Ni+Cu≤ 0.75
Maximum Value 1.6 0.4 0.4 0.03 0.03 5 1 13 5.25 5.25
A600 T15 Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Bars, forgings, thick plates, thin plates, strip products Cold Drawing HB
≤269
Bars, forgings, thick plates, thin plates, strip products Cold Drawn and Annealed ≤262
Bars, forgings, thick plates, thin plates, strip products Annealing ≤255
Bars, forgings, thick plates, thin plates, strip products Heat Treatment HR
≥63
1 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany France Russia United Kingdom
GB JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
W12Cr4V5Co5 SK H10 T15 HS12-1-5-5 S12-1-4-5 1.3202 Z160WKCV12-05-05-04 Р10К5Ф5 BT15
2 Approximate Comparison Table
China Taiwan, China Japan South Korea United States Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
W12Cr4V5Co5 T71245 SKH 10 SKH 10 SKH 10 T15 T12015 S 12-1-4-5 1.3202 HS 12-1-5-5 Р10К5Ф5 HS 12-1-5-5
BT15

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