3Cr17Mo,1.2316ESR,
wear resistance, long:life mirror surface plastic mould steel
1. Main application
for plastic mould separate out acrtic acid during process, such as CA, POM product.
2. Manufacturers
Tai Steel
3. Delivery condition
Conventional or ESR, hot rolling or forging, black surface or milling
Hardness: 32~36HRC,annealed to HB=<229
Width: 305~1000mm   thickness: 20~400mm
4. General
ESR material, high cleanliness, polishes to mirror effect, excellent corrosion resistance ability, could work under high:acidity environment,PH<5,
In high hardness ,HRC45:48, situation, could reach optical mirror effect.
5. Chemical analysis
C Mn Cr Mo
0.4 1.0 16.5 1.0
6. Delivery
Acc. to your request—Standard steel bar,sawing,
 ——non:standard steel bar,sawing,
or Mill deliver condition,without sawing or cutting 
7. Compared grades,based on usage,
China America Germany Sweden Janpan
GB AISI DIN ASSAB JIS
3Cr17Mo 420J2ESR 1.2316ESR —— SUS420J2ESR
8. Heat treatment,for reference,
Quenching centigrade degree Tempering centigrade degree/ HRC
1020~1050
centigrade degree 100 200 300 400 500 600
Oil cooling or salt bath 49 47 46 46 47 32
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