H1Work Hardening Only: Applying work hardening process only without any heat treatments in order to achieve the regulated mechanical property.
H2Partially annealing after work hardening process
: Applying annealing process to lower the strength to a regulated range when the specified value is above the standard during the work hardening process. For those alloys which will be applied age hardening at room temperature, their temper degrees will reach the same level strength as H3. As for the rest of the alloys, their temper degrees will reach the same as H1 but better elongation.
H3Applying stabilizing treatment after work hardening: Applying the low-temperature heat method to stabilize after the work hardening process. The result will be lower strength but higher elongation. however, the stabilizing treatment can be only applied on alloys with Mg element which will be age softened at room temperature.
HX1The tensile strength is between 0 and HX2 1/8 Hard alloy
HX2The tensile strength is between 0 and HX4 1/4 Hard alloy
HX3The tensile strength is between HX2 and HX4 3/8 Hard alloy
HX4The tensile strength is between 0 and HX8 1/2 Hard alloy
HX5The tensile strength is between HX4 and HX6 5/8 Hard alloy
HX6The tensile strength is between HX4 and HX8 3/4 Hard alloy
HX7The tensile strength is between HX6 and HX8 7/8 Hard alloy
HX8The tensile strength of reduction of Area is around 75% with cold working. Hard alloy
HX9The tensile strength of reduction of Area is above 75% with cold working Super hard alloy
H111H1111: Applying less temper degree on the work hardening process then H11.
H112H112: Applying work hardening process or any heat treatment without other specific manufacturing process. ※ Mechanical properties are specified or mechanical properties testings are required.
H311H311: Applying less temper degree on the work hardening process then H31.
H323
H343
Able to resist the stress, corrosion and cracking.