Aung Metals, a reputable manufacturer and supplier located in Naypyidaw, Myanmar, is dedicated to delivering top-notch Tool and Die Steel S7 Bars. These bars are celebrated for their remarkable toughness, impact resistance, and versatility, making them perfect for tough industrial environments. Aung Metals takes pride in ensuring that every product adheres to global quality standards through meticulous manufacturing processes and rigorous quality control. Their Tool and Die Steel S7 Bars are well-known for their excellent heat treatment response and impressive longevity, making them a go-to choice for toolmaking, die casting, and various heavy-duty industrial applications.
The composition of Tool and Die Steel S7 Bars includes carbon, chromium, molybdenum, and silicon, which together provide outstanding strength and wear resistance. This steel strikes a perfect balance between hardness and toughness, enabling it to endure high-impact and shock-loading situations. On a mechanical level, S7 steel boasts high compressive strength, good machinability, and remarkable dimensional stability after heat treatment. This blend of characteristics guarantees dependable performance in both hot and cold working settings.
| ASTM A681-2008 | C | Si | Mn | P | S | Cr | V | Mo | ||||||
| S7/T41907 | 0.45 | 0.55 | 0.20 | 1.00 | 0.20 | 0.90 | 0.03 | 0.03 | 3.00 | 3.50 | – | 0.35 | 1.30 | 1.80 |
| DIN ISO 4957 | C | Si | Mn | P | S | Cr | V | Mo | ||||||
| 1.2355/50CrMoV13-15 | 0.45 | 0.55 | 0.20 | 0.80 | 0.50 | 0.90 | 0.03 | 0.02 | 3.00 | 3.50 | 0.15 | 0.35 | 1.30 | 1.70 |
| Properties | Metric |
| Hardness, Rockwell C (air cooled from 941°C, 649°C temper temperature) | 41 |
| Hardness, Rockwell C (air cooled from 941°C, 449°C temper temperature) | 53 |
| Hardness, Rockwell C (air cooled from 941°C, 149°C temper temperature) | 57 |
| Modulus of elasticity | 207 GPa |
| Charpy impact (V-notch; air cooled from 941°C; 425°C temper temperature) | 13.6 J |
| Charpy impact (V-notch; air cooled from 941°C; 649°C temper temperature) | 16.3 J |
| Charpy impact (V-notch; air cooled from 941°C; 200°C temper temperature) | 16.9 J |
| Machinability (1% carbon steel) | 70.0 – 75.0% |
| Poisson’s ratio | 0.27-0.30 |
| Country | USA | German |
| Standard | ASTM A681 | DIN EN ISO 4957 |
| Grades | S7/T41907 | 1.2355/50CrMoV13-15 |
| Properties | Conditions | ||
|---|---|---|---|
| T (°C) | Treatment | ||
| Thermal expansion | 12.6 x 10-6/ºC | 20-200 | – |
The standard annealing temperature for Tool and Die Steel S7 bars is typically around 1,600°F to 1,650°F (871°C to 899°C), followed by slow cooling to relieve internal stresses.
Yes, Tool and Die Steel S7 bars are available in custom lengths and shapes, often tailored to specific customer requirements, ensuring versatility for various tooling and die applications.
Across various industries, Tool and Die Steel S7 Bars are commonly utilized for crafting tools and components that face repeated impact and stress. Typical applications include chisels, punches, dies, shear blades, forming tools, and forging dies. They are also well-suited for both cold and hot work applications where high toughness and crack resistance are crucial. Thanks to their exceptional heat resistance and strength, these bars find extensive use in the automotive, aerospace, and heavy engineering sectors for precision components and high-performance tooling needs.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Naypyidaw, Myanmar
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