Guangzhou Changfeng Steel Co., LTD
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ESR Pre-Hardened Plastic Mould Steel Plate 1.2083 420 S136 4Cr13 for tool and die
1.2083 mould steel is a kind of plastic mould steel with high chromium element which is up to 13%.1.2083mould steel has good wear resistance and good polishing, it widely used for acid proof plastic mold.
1,Grade | DIN 1.2083 AISI 420 JIS SUS420J2 |
2,Feature | Excellent corrosion resistance;Excellent abrasion resistance and elasticity |
| Excellent high-temperature abrasion resistance | |
| Medium toughness,dimensionally stable,high compressive strength | |
3,Application | Highly stressed cutting and punching tools for thin sheets |
| Stone processing tools and knives for paper and plastics,shear knives | |
| Chemical Resistance plastic mold,Corrosion of thermoplastic plastics |
4,Hardness after tempering :
| Tempering | 100°C | 200°C | 300°C | 400°C |
| HRC | 54 | 52 | 52 | 52 |
5,Chemical composition (%)
| Grade | delivery hardnessºC | C | Si | P | S | Cr | Ni | Mo | Mn |
| 420 | HRC32-36 | 0.4 | 0.8 | ≤0.03 | ≤0.03 | 13.5 | ~ | 0.6 | 0.5 |
| 4Cr13 | HB≤201 | 0.36-0.48 | ≤0.6 | ≤0.035 | ≤0.03 | 12-14 | ≤0.6 | ~ | ≤0.8 |
| 1.2083 | HB≤235 | 0.26-0.35 | ≤0.6 | ≤0.03 | ≤0.03 | 12.5-14 | ≤0.5 | ~ | ≤0.8 |
| S136 | HB≤235 | 0.38 | 0.8 | ≤0.03 | ≤0.03 | 13.6 | ~ | ~ | 0.5 |
6,Package: We provide standard export packing or according to customers' request.
7,Delivery: For abundant stock, 7-15 days.For customized products, 15-30 days.
8,Heat Treatment:
| Annealing : | 810 - 830 °C |
| Hardness after annealing : | Max.230 HB |
| Stress relieving: | Approx.650 °C |
| Hot forming: | 1050 - 850 °C |
| Hardening: | 970 - 990 °C |
| Quenching media: | Oil, Vacuum |
| Hardness after quenching: | 52 - 56 HRC |
9,Product show:
Alloy Mold Steel 420 1.2083 S136 4Cr13 
10. Changfeng Tool & Die Steel main product:
| STANDARD/GRADE of steel | Flat Bar Size(mm) | Round bar Size(mm) | Technics | ||||||
| DIN | AISM | JIS | GB(China) | Thickness | Width | Length | Diameter | Length | |
| 1.121 | SAE1050 | S50C | 50# | 10-450 | 155-2200 | 2000-12000 | Forged, Hot Rolled | ||
| 1.2311 | P20 | PDS-3 | 3Cr2Mo | 10-460 | 155-2200 | 2000-10000 | 20-200 | 2000-6000 | |
| 1.2738 | P20+Ni | - | 3Cr2NiMnMo | 21-300 | 155-2200 | 2000-8000 | 20-200 | 2000-6000 | |
| 1.2379 | D2 | SKD10 | SKD10 | 10-200 | 155-810 | 2000-6000 | 14-80 | 3000-6000 | |
| 1.2080 | D3 | SKD1 | 3Cr2Mo | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2083 | 420 | - | 4Cr13 | 10-500 | 155-1200 | 2000-6000 | 12-300 | 3000-6000 | |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500 | 155-1600 | 2000-6000 | 16-400 | 3000-6000 | |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-280 | 155-2200 | 2000-6000 | 16-450 | 3000-6000 | |
11. Loading picture:
12. Port of loading: Shenzhen, China
13. Terms of Payment
30% deposit, balance by L/C at sight or T/T before shipment
14. About Us
Guangzhou Changfeng Steel Co., Ltd. is a professional special steel company, which specializing in this line in China since 2005. Our main products are Plastic Mould Steel, Hot Work Mould Steel, Cold Work Mould Steel, Alloy Structural Steel, Tool Steel, Stainless Steel, Carbon Steel and Forged Block.
To ensure provide high quality products to customers, we have close cooperation with many Chinese first class special steel enterprises, including Baosteel Group, Dongbei Special Steel, Changcheng Special Steel, Hongsheng Heavy Industry, Xingcheng Special Steel and Daye Special Steel.