full UT/MT/witness testing; EAF+LF+VD/SKF+ESR; high level quality, competitive price, good service; professional mfg. ... 1. Grade: DIN1.2379,JIS SKD11,ASTM D2 cold work tool steel2. Smelting Technogoly: EAF+LF+VD+ESR3 ... Sheet Round Bar DIN1.2379 cold work tool steel, ASTM D2, JIS SKD11 steel sheet/bar,