Sunil Trading Company

With 42 years of experience in the field, Sunil Trading Company has determined to be a market leader in supplying Steel Products. As a reputed Supplier of Steel Products in Delhi (India), we offer Industrial Steel, Metal Coils, Spring Steel Strips and Fasteners.

Plastic Mould Steel




These are the steels that are used for Plastic Mould. The plastic products changes almost everyday and we as a part of that business, supply parts for the manufacturing of moulds for sizes upto large blocks for panels and automotive fenders. Plastics has taken an outstanding position amongst the products we come in contact in our daily lives. We offer a different grades adaped to the needs of various moulding applications for the manufacturing of parts from simplest to most sophisticated like Chairs, Telephones, TV Frames, Printers, Monitors, Keyboards, Water Tanks, Dashboards, etc.


Properties & Characteristics

  • Wear Resistance
  • Corrosion Resistance
  • Mirror Finishability
  • Surface Workability

 

Applications

  • Plastic Mould Industy
  • Mould Frames
  • Machine Tool Engg
  • Die Casting Industry
  • Mould Parts
  • Preform Dies


Roduct Specifications of Plasic Mould Steel

- Material Chemistry Heat Treatment Details
AISI/ ASTM EN DIN JIS C SI Mn Ni S Cr W Mo V Anealing  (Slow Cooling) Quenchent  (Hot Bath) Quenching Tempering  (Air Cooling) Annealed  (HB) - Max
P20  40CrMnMo7  1.2311    -   0.4  0.3 1.5 0 1.9    - 0.2  - 720-750  OIL/AIR  850-880  600-680 240 
P20+Ni  40CrMnNiMo864  1.2738    - 0.4     0.3  1.5 1.1 0  - 0.2   - 720-740  OIL/AIR  850-880 710-740  240
P29+S  40CrMnMoS86  1.2312  -   0.4  0.3  1.5   - 0.07 1.9   - 0.2  740-760  OIL/AIR  840-870  600-680  240
- 36CrMo17  1.2316  SUS420J  0.36  0.4 0.65 1 0 16   - 1.2  - 780-820  OIL 1000-1040 600-700 235
420  42Cr13  1.2083  SUS420F 0.42  0.4 0.45    - 0 14   - 0.6  - 840-870  OIL 1000-1050 250-570  200

Stocking Programme of Plasic Mould Steel

Plastic Mould AISI DIN Supply Condition Rounds Square Flat Application
P20  1.2311  Hardened & Tempered  75  - 300   - 200X40  - 1000X600  Steel suitable for die upto 400mm thickness with very good polishing. 
P20+Ni  1.2738  Hardened & Tempered  75  - 300  - 200X40  - 1000X600 Best suited for 400mm thickness. Adding 1% Nickele ensures full quenching and tempering upto 1000mm thickness
P20+S  1.2312  Hardened & Tempered  75  - 300   - 200X40  - 1000X600 It offers better  workability. Applications are same but less requirements of polishing. 
420mod 1.2316  Hardened & Tempered  50  - 160  - 200X40  - 1000X250 Well suitable for processing chemically aggressive and acid releasing plastic such as PVC. 
420  1.2083  Annealed    - 300X60  - 500X250 Moulds for processing plastics with corrosive action, very highly polishable.