Grades Comparison
| Germany(DIN) | Japan(JIS) | USA(AISI) | Sweden(SS) | China(GB) |
| 1.2083 | SUS420J2 | 420 | S136 | 4Cr13 |
Chemical Composition(%)
| Steel Grade | Chemical Composition(%) | |||||
| C | Si | Mn | P | S | Cr | |
| 1.2083 | 0.36-0.42 | ≤1.00 | ≤1.00 | ≤0.030 | ≤0.030 | 12.50-13.50 |
| SUS420J2 | 0.26-0.35 | ≤1.00 | ≤1.00 | ≤0.035 | ≤0.030 | 12.00-14.00 |
| 420 | 0.26-0.40 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.030 | 12.00-14.00 |
| S136 | 0.38 | 0.9 | 0.5 | ≤0.040 | ≤0.030 | 13.6 |
| 4Cr13 | 0.36-0.45 | ≤0.60 | ≤0.80 | ≤0.035 | ≤0.030 | 12.00-14.00 |
Heat Treatment
Annealing : 810 - 830 °C
Hardness after annealing : Max230 HB
Stress relieving : Approx. 650 °C
Hot forming : 1050 - 850 °C
Hardening: 970 - 990 °C
Quenching media : Oil, Vacuum
Hardness after quenching : 30-36 HRC
Hardness after tempering:
Available size(mm):
| Flat Bar Size(mm) | Round bar Size(mm) | |||
| Thickness | Width | Length | Diameter | Length |
| 10-700 | 155-2200 | 2000-6000 | 20-200 | 3000-5500 |
Features
1. Highly quality of corrosion resistance
2. Pre-hardened delivery save forming mould time
3. Good anti-rusty capacity and easy for welding
4. Excellent polish ability and wear-resisting with high toughness
5. Convenient heat treatment for quenched&tempered steel, without deformed
Application
1. Transparent plastic mould
2. Highly stressed cutting and punching tools for thin sheets
3. Stone processing tools and knives for paper and plastics,shear knives
4. Requiring higher food industrial equipment parts and PVC / PP / EP
Delivery
1. For abundant stock, 10-15 days.
2. For customized products, 30-50 days.
