1. Key Properties
t is used for making cold cutting blades which are subjected to high impact and strength.
2. Applications/Industries
Automotive: Components such as gears, shafts, and axles that need to withstand high stress and wear.
Aerospace: Structural parts, turbine blades, and landing gear components that require a combination of high strength and toughness.
Heavy Machinery: Spindles, crankshafts, and other high-load parts exposed to mechanical stress.
Oil & Gas: Drilling tools, valve bodies, and other components used in harsh environments.
Tool Manufacturing: High-strength tools and dies for forming and cutting operations.
Power Transmission: Gears, couplings, and shafts used in power generation and mechanical drive systems.
3. Certifications/Standards
ISO 9001 Certified: Ensures high-quality production and manufacturing processes.
Meets AISI/SAE 7245 Specifications: Complies with the Society of Automotive Engineers (SAE) specifications for high-strength alloy steels.
Meets ASTM A29 Specifications: Adheres to the ASTM standards for alloy steel bars.
4. Chemical Composition
Carbon (C): 0.40–0.50%
Silicon (Si): 0.80-1.10%
Manganese (Mn): 0.15–0.45%
Phosphorus (P): ≤ 0.030%
Sulfur (S): ≤ 0.030%
Chromium (Cr): 0.90–1.20%
Molybdenum (Mo): 0.15–0.45%
Vanadium(V): 0.15–0.30%
Tungsten(W): 1.70–2.30%
5. Technical Specifications
Yield Strength: Approx. 700–950 MPa (depending on heat treatment)
Tensile Strength: Approx. 900–1200 MPa
Hardness: 28–32 HRC (Rockwell Hardness) (before heat treatment)
Hardness: 35–45 HRC (Rockwell Hardness) (after heat treatment)