中文版
Home Material GB /T 1299-2014
简体 | 繁體
Grade T12
China ISC T00120
Corresponding Standard GB /T 1299-2014
Tool and Mould Steels
Classification Carbon Steel
T12 Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Ni Cu
T12 Minimum Value 1.15 - - - - - - -
Maximum Value 1.24 0.35 0.4 0.03 0.03 0.25 0.25 0.25
  Component C Si Mn P S Cr Ni Cu
T12A Minimum Value 1.15 - - - - - - -
Maximum Value 1.24 0.35 0.4 0.03 0.02 0.25 0.25 0.25
T12 Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing ≤207
sample Quenching HRC
≥62
New and Old Grade Replacement List
Corresponding Standard Grade
GB /T 1299-2014
Grade
China ISC
GB /T 1299-2025
Grade
China ISC
1 Approximate Comparison Table Carbon Tool Steel
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM UNS ISO EN
T12 T00120 SK120 W1-11 1/2 T72301 C120U C120U
2 Approximate Comparison Table Carbon Tool Steel
China Japan United States Germany France Russia United Kingdom
GB JIS ASTM DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
T12 SK2 W1-11 1/2 C110W2 1.1654 Y1 120 У12 BW1C
3 Approximate Comparison Table Carbon Tool Steel
China Japan South Korea United States International Organization for Standardization Germany United Kingdom
GB JIS KS ASTM ISO DIN EN/DIN BS EN/BS
T12 SK120
(SK2) 		STC2 W1A-11 1/2 TC120 C125W2 BW1C
4 Approximate Comparison Table Carbon Tool Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB JIS ASTM ISO DIN EN/DIN NF EN/NF EN GOST BS EN/BS
T12 SK120 W1A-11 1/2 C120U C120U C120U C120U У12-1 C120U
5 Approximate Comparison Table Carbon Tool Steel 1
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS BS EN/BS
T12 T00120 SK2 SK120 STC3 W1A-11 1/2 T72301 C120U C125W2 1.1663 C120U
~C120E3U 		У12-1 1885 C120U
(BW1C)
T12 Corresponding Standards(Same grade name, different standards)
1 GB /T 1298-2008
T12 T00120
2 GB /T 1299-2014
T12 T00120
3 GB 3525-1983
T12
4 YB /T 5058-2005
T12
5 GB /T 1299-2025
T12 T10020

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