Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of 1.2714 hot work mould steel round bar skt4 in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.
1.2714 Forged Hot Work Mould Steel Round Bar
Alloy tool steel with lower content of alloy elements. It is also the traditional hammer forging die steel. It has good toughness, strength and wear resistance, hardenability, and 300 * 300 * 400mm workpiece can be fully quenched. The utility model is suitable for producing large and medium-sized hammer forging dies (>400mm) with complicated shape and heavy impact load.
Chemical Composition(%)
| Grade | C | Si | Mn | Cr | Mo | P | S | Ni | V |
| 5CrNiMo | 0.50-0.60 | ≤0.4 | 0.50-0.80 | 0.50-0.80 | 0.10-0.30 | ≤0.030 | ≤0.030 | 1.40-1.80 | - |
| L6 | 0.65-0.75 | 0.10-0.50 | 0.25-0.80 | 0.60-1.20 | ≤0.5 | ≤0.030 | ≤0.030 | 1.20-2.00 | - |
| 1.2714 | 0.50-0.60 | 0.10-0.40 | 0.60-0.90 | 0.80-1.20 | 0.35-0.55 | ≤0.030 | ≤0.030 | 1.50-1.80 | 0.55-0.15 |
| SKT4 | 0.50-0.60 | 0.10-0.40 | 0.60-0.90 | 0.80-1.20 | 0.35-0.55 | ≤0.030 | ≤0.020 | 1.50-1.80 | 0.55 |
1, Features:
1) Heat resistant wear-resistant forged steel, excellent impact resistance, with proper hardness and good toughness.
2) The composite has good mechanical properties and high hardenability, and can make the steel with larger section size obtain a more uniform hardness.
3) Good optical rotation performance is made on the surface of the mold with low roughness value of 90.
4) Quenching and tempering treatment, hardness of 52 ~ 62HRC (pre hardening),
5) Can be used directly after cold processing into mold, ensure the use of the mold performance, but also to avoid the heat treatment caused by the deformation of the mold.
2, Recommend heat treatment
| Quenching | Tempering | |||||
| Heating temperature/ºC | Cooling way | Hardness (HRC) | Tempering temperature /ºC | Tempering number | Hardness (HRC) | |
| First preheating | Last heating | |||||
| 600-650 | 830-860 | Oil Cooling | 52-62 | 150-180 | 1 | 53-58 |
3, Process: EAF + LF + VD + Forged + Heat Treatment (optional)
4, Payment: 30% advance by T/T; Balance pay before the shipment against shipping documents or irrevocable LC at sight.
5, Delivery condition: For abundant stock, 7-15 days.For customized products, 15-30 days.
Application
1.Die sheet products are suitable for forging press die, concave and convex die, die casting die, hot metal cutter and other industries.
2.Aluminum alloy die casting die for mass production.
Our 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
C. Ultrasonic testing and hardness testing
Feature
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