Pre - Hardened HRC30 P20+S 1.2312 Plastic Mould Steel Plate
Price:
USD800/TON FOB
MOQ:
3Tons
Delivery Time:
15-20days
Brand:
BAO STEEL
Product Description
Excellent Machine Ability Pre-Hardened Plastic Mould Steel Plate 1.2312 P20+S
1.2312 Steel is a high quality plastic tool mold steel by add about 0.08% Sulphur on the 1.2311 improve free cutting ability of 1.2311 tool steel . It belongs to the high quality medium carbon, Pre-hardness(28~34HRc) plastic mould steel. It needn’t further Make heat treatment for make plasitc injection moulding.
1, Features:
1, Alloy tool steel which offers good machineability;
2, Excellent polished finish for large section;
3, Supplied in the hardened and tempered condition ready for machining;
4, In this condition it gives excellent wear resistance.
2, Application:
1, Used for plastic mould, good polish with corrosion-resistin
g;
2, Long life and large plastic injection mold products such as home appliance, computer shell mold;
3, Thermoplastic plastic extrusion die;
4, Blow molding mold and Molding tool;
3, Grade
4, Chemical composition(%)
5, Phase transition temperature
6, The hardness of delivery
7, Heat treatment
2, Long life and large plastic injection mold products such as home appliance, computer shell mold;
3, Thermoplastic plastic extrusion die;
4, Blow molding mold and Molding tool;
3, Grade
| W.Nr | DIN | AFNOR | AISI/SAE |
| 1.2312 | X40CrMnMoS8-6 | (40CMD8S) | P20+S |
4, Chemical composition(%)
| C | Mn | Si | Cr | Mo | Ni | S+P |
| 0.35-0.45 | 0.8-1.0 | 0.30-0.50 | 1.80-2.00 | 0.35-0.38 | 0.05-0.10 | 0.015 |
5, Phase transition temperature
| Ac1 | 740°C |
| Ms | 310°C |
6, The hardness of delivery
| Pre hardened and tempered | HB278-325(950-1100N/mm²) |
7, Heat treatment
| Annealing | 1)Heated to720-750°C,Two to four hours heat preservation, 2)Furnace cooling |
| Stress relief |
Preservation
1)Heated to560-650°C and then two to four hours heat
2)Furnace cooling or air cooling
|
| Pre hardened | 1)Preheat to 600-650°C 2)Heated to hardening temperature 840-840°C and heat preservation 3)Oil cooling 4)Hardness:HRC51 |
| Drawing temper | 1)Immediately after quenching 2)When the 580-650°C,with the 1/inch to heat preservation |
8, Packing:Standard export packing or according to customers' request.
9. Stock Sizes:
Plate |
Thickness | 8-300mm |
| Width | 2000-2200mm | |
| Length | 2000-8000mm |
Our service
We provide quality special steel for all industries.
Orders of any size, any length, ship fast
We carry a unique inventory of specialty special steel
Provide related value-adding services :
metal cutting, sizing, machining (blanking, milling, grinding), and heat treatment.
Sawing for small or large quantities, sawing-to-size.
Excellent customer service
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Changfeng Steel Co., LTD
Location
广州市黄埔区大沙地东路403号B802房(仅限办公）
Contact Person
Echo