1. MAIN APPLICATION For plastic moulds with high wear resistance and corrosion resistance requirements; transparent plastic moulds, such as PVC 2. DELIVERY CONDITION EF or ESR, hot rolled or forged, black surface or milling Hardness: 31-35HRC, annealed to: HB≤229 Width: 205-610mm Thickness: 20-180mm Rounds: dia 20-200mm 3. CHARACTERISTICS Martensite stainless steel, with good machinability and exnt corrosion resistance, polishability, high strength and wear resistance after heat treatment.
| Equivalent grades | GB | DIN | AISI | JIS | ASSAB | ||||||||||
| 4Cr13 | 1.2083 | 420 | SUS420J2 | S136 | |||||||||||
| Chemical Composition | China grades | Foreign | C | Si | Mn | Cr | Mo | V | P≤ | S≤ | |||||
| -- | 1.2083 | 0.38-0.4 | ≤1.00 | ≤1.00 | 1.80-2.10 | ≤1.00 | -- | 0.030 | 0.030 | ||||||
| 4Cr13 | -- | 0.35-0.45 | ≤0.60 | ≤0.80 | 1.40-2.00 | ≤0.80 | -- | 0.030 | 0.030 | ||||||
| -- | S136 | 0.34-0.42 | 0.60-1.30 | 0.20-0.70 | 1.70-2.00 | -- | 0.15-0.40 | 0.030 | 0.030 | ||||||
| Available size | Round Bar | Diameter | Length | ||||||||||||
| 20-400mm | 2000-6000mm | ||||||||||||||
| Flat Bar | Thickness | Width | |||||||||||||
| 20-800mm | 205-610mm | ||||||||||||||
| Heat Treatment | Quenching | Tempering | |||||||||||||
| Heating Temperature | Cooling | Hardness | Heating Temperature | Cooling | Hardness | ||||||||||
| 1000-1050 | Oil or Air | 52-55 | 200-300 | Air | 50-53 | ||||||||||
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