... wear resistence, high toughness Alloy Material A2/DIN 1.2363/JIS SKD10,Tool Steel A2 1.Chemical composition: CountrySteel ... Surface treatment :Round bar : Black / Grinding / Polished / Peeled / Turned 4.Characteristic:1.Deep air quenching hardening properties.2.Good abrasion ... blade, etc. 6.Company equipments:Smelting equipment : 3 and 4 tons induction furnaces, 1t, t,5t electric slag furnaces, etc ...