Grade A686 Type W2-8.5 Grade C
USA UNS T72302
Corresponding Standard ASTM A686-1992(R2004)
Standard Specification for Tool Steel, Carbon
Classification Carbon Steel
A686 Type W2-8.5 Grade C Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo W V
Minimum Value 0.85 0.1 0.1 - - - - - - - 0.15
Maximum Value 0.95 0.4 0.4 0.03 0.03 0.3 0.2 0.2 0.1 0.15 0.35
A686 Type W2-8.5 Grade C Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Bars, forgings, thick plates, thin plates, wires Cold Drawing ≤241
Bars, forgings, thick plates, thin plates, wires Annealing ≤202
Bars, forgings, thick plates, thin plates, wires Heat Treatment HRC
≥65
Drill rod; d < 3.2 37
Drill rod; 3.2<d≤6.4 28
Drill rod; 6.4<d≤12.7 23
Drill rod; d>12.7 96
1 Approximate Comparison Table Carbon Tool Steel 1
China Taiwan, China Japan South Korea United States Germany France Russia
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF GOST
T13 T00130 SK1 SK140 STC1 W2C-13 T72302 C130W2 1.1673 ~C120E3U У13-1
2 Approximate Comparison Table Carbon Tool Steel 2
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM UNS ISO EN Numerical Grade
T13 T00130 SK140
(SK1)
W2-C13 T72302 C120U
(TC120)
C120U 1.1563

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!