Guangzhou Changfeng Steel Co., LTD
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Hot Rolled Special Tool Steel Bar 1.6523 To Make The Structure Steels
1.6523 / SAE8620 / 20CrNiMo is a kind of alloy steel plate number specified by China national standard.
Standard: GB/T 3077-1999
Meltiing process:
1) EAF:Electric Furnace+LF+VD (Optional);
2) ESR:Electric Furnace+LF+VD+Eleroslag Remelted (Optional).
Chemical Composition (%):
| C | Si | Mn | Cr | Ni | Mo | S | P |
| 0.18-0.23 | 0.15-0.35 | 0.70-0.90 | 0.40-0.60 | 0.40-0.70 | 0.15-0.25 | ≤0.035 | ≤0.035 |
Feature:
1) Demand has high yield strength, tensile strength and fatigue strength, there has enough plasticity and toughness;
2) Demanding by refining outside the furnace, vacuum electroslag remelting or processing, or double vacuum smelting, vacuum induction furnace smelting suitable heat treatment;
3) Corrosion resistant steel, heat-resistant steel, wear-resistant steel, magnetic steel, and other special physical and chemical properties of the steel.
Heat treatment:
| Quenching heating temperature (℃) : 850 | Hardness: 50-52HRC |
| Tempering temperature (℃) : 200 | Hardness: >48HRC |
| Preheating 2-4 hours in 500-600°C | |
| Cooling way: Oil cooling | Oil cooling to reach 50-100°C |
| Delivery status: heat treatment (positive fire, annealing or high temperature tempering) | |
Applications:
1) Zinc, aluminum, magnesium and other alloy die-casting molds;
2) Heat dies and all kinds of hot forged molds;
3) Metal extrusion die holder.
Ready Stock:
Round bar dia20-100mm black surface and hot rolled deliver condition.
Delivery time:
For abundant stock, 15-20 days.For customized products, 30-50 days.
About us:
Our company have introduced large-sized vertical saw machines, horizontal saw machines, milling machines, grinding machines and other advance equipments, we can export our products by wholesales and retail sales, whole plate or strip is available.
Therefore, we can provide below service:
A. Steel plates: Cutting by bandsaw machine, milling, heat treatment, etc.
B. Round bars: Cutting by bandsaw machine, peeling, grinding and turned, heat treatment, etc.
Our main products:
| Hot sale products for hot / cold work mould Steel | |||||||||
| STANDARD/GRADE | Flat Bar Size(mm) | Round bar Size(mm) | Technics | ||||||
| DIN | AISM | JIS | GB(China) | Thickness | Width | Length | Diameter | Length | |
| 1.2311 | P20 | PDS-3 | 3Cr2Mo | 10-700 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 | Forged, Hot Rolled |
| 1.2738 | P20+Ni | - | 3Cr2NiMo | 10-1100 | 155-2200 | 2000-6000 | 20-200 | 2000-6000 | |
| 1.2379 | D2 | SKD11 | Cr12MoV | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2080 | D3 | SKD1 | Cr12 | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.2083 | 420 | - | 4Cr13 | 10-500 | 155-1200 | 2000-6000 | 20-300 | 3000-6000 | |
| 1.2344 | H13 | SKD61 | 4Cr5MoSiV1 | 10-500 | 155-1600 | 2000-6000 | 20-400 | 3000-6000 | |
| 1.2510 | O1 | SKS3 | 9CrWMn | 10-200 | 155-810 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.7225 | SAE4140 | SCM440 | 42CrMo | 10-200 | 155-2200 | 2000-6000 | 20-200 | 3000-6000 | |
| 1.1210 | SAE1050 | S50C | 50# | 10-700 | 155-2200 | 3000-6000 | 10-300 | 3000-6000 | Hot Rolled |
| 1.1191 | SAE1045 | S45C | 45# | 10-700 | 155-2200 | 3000-6000 | 10-300 | 3000-6000 | |
Product photos:
