H13 has upper hot intensity and rigidity ,; under the middle
temperature ,H13 has good tenacity , hot tiredness nature and
definite wearable .
H13 also has empty quench under the Ao shi ti temperature condition
Small distortion after heat treatment and so on .
Annealed hardness, shall not exceed 235 Brinell (BHN).
A steel specimen having a thickness no greater than one inch shall
exhibit a minimum hardness of 50 HRC, when air
cooled, after heating for 30 minutes at 1850° F in a protective
atmosphere, or when using a non-protective
atmosphere, insure the sample has appropriate oversize allowance.
2) Chemical composition:
3) Delivery condition:EAF or ESR;hot rolled or
4) Specification: Round bar:Thickness: 60~350mm, Length:2500~4000mm
Flat bar:Thickness: 20~300mm,Width: under the size of 205~2200mm,
5)Material character: Under upper hot initensity and rigidity
;under middle temperature,have good tenacity,hot tirdness nature
and definite wearable;empty quenching under lower Ao shi ti
temperature condition.small distortion after heat-treatment and so
6)Application:Used for making hot squeezing mould,forging
mould,embedded lump,like:alloy,cooper and other alloy and other
alloy casting mould
7)Ultrasonic test standards:GB/T6402-1991,CLASS 1
8)Payment terms:prepay30% deposit,T/T or L/C at sight.