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Plastic Mould Steel
BOHLER VIEW CHEMICAL ANALYSIS % HEAT TREATMENT CORRESPONDING SPECIFICATIONS TYPICAL APPLICATIONS
C% Si% Mn% Cr% Mo% Ni% W% V% Co% Hardening Temperature Quenching Medium Tempering Temperature Brinell Rockwell Hardness JAPAN JIS AISI POLDI THREAD
M 201 0.35 TO 0.45 0.20 TO 0.40 1.30 TO 1.60 1.80 TO 2.10 0.15 To 0.25 - - - - 840 - 870 OIL - 51 - P-20 - Plastic Moulds, mould frames for plastic moulds & pressure casting dies recipient sleeves.
M 200 0.35 TO 0.45 0.30 TO 0.50 1.40 TO 1.60 1.80 TO 2.00 0.15 TO 0.25 - P 0.030 S 0.05 to 0.10 -

   840-860    860-880

OIL/AIR 600-650 - -

P-20 +S

-
M 238 0.35 TO 0.45 0.20 TO 0.40 1.30 TO 1.60 1.80 TO 2.10 0.15 TO 0.25 1.0 - - - 840 - 870 OIL - 51 - P-20 +Nl - it is micro alloyed,Vacuum-degassed steel with excellent Features,good machinability,outstanding Polishability,good texturing properties Large Plastic Moulds with deep engraving & hgh core stresses.
M 310 0.38 TO 0.45 0.30 TO 0.50 0.20 TO 0.40 12.50 TO 13.50 - -

-

- - 1000 - 1050 OIL 100-200 53-56 SUS 420 J2 STAVEX - Moulds for Chemically aggressing Plastic & Plastics contacting abrasive Filters.
M 300 0.33 TO 0.43 1.00 MAX 1.00 MAX 15.00 TO 17.00 1.00 To 1.30 1.00 MAX - - - 1000 - 1050 OIL/AIR 600-700 46-49(oil) 42-48(air) - RAMEX S - Moulds for processing plastics with corresive action.
K 600 0.40 TO 0.50 0.10 TO 0.40 0.15 TO 0.45 1.20 TO 1.50 0.15 TO 0.35 3.8/ 4.3 - - - 840-870 OIL/AIR - 53-57(air) 54-58(oil) - 420 - Cuttery dies,Cutting Tools for thick material, billet shear blades,drawing jaws,solid embossing & bending tools,plastic moulds,casting.
 
 
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