We manufacture forging ingots, billets, and blooms in alloy steel specifically for scm-435H, tailored for high-performance engineering and heat-treated applications. Scm-435H is a medium carbon chromium-molybdenum alloy steel designed with controlled hardenability, ensuring uniform heat treatment response and consistent Mechanical properties throughout the component. It is widely used for parts subjected to high stress, dynamic loading, and fatigue conditions.
The addition of chromium improves hardenability and wear resistance, while molybdenum enhances strength, fatigue resistance, and resistance to temper brittleness. Scm-435H offers good machinability in the annealed condition and excellent dimensional stability after heat treatment, making it suitable for critical automotive and heavy engineering components.
This steel provides an excellent balance of strength, toughness, and reliability for demanding industrial applications.
| Element | Content (%) | Function / effect |
| Carbon (c) | 0.33 – 0.38 | Provides strength and hardness |
| Manganese (mn) | 0.60 – 0.85 | Improves hardenability and toughness |
| Silicon (si) | 0.15 – 0.35 | Improves strength and elasticity |
| Chromium (cr) | 0.90 – 1.20 | Enhances hardenability and wear resistance |
| Molybdenum (mo) | 0.15 – 0.30 | Improves fatigue resistance and high-temperature strength |
| Phosphorus (p) | Max 0.030 | Impurity; lower content improves toughness |
| Sulphur (s) | Max 0.030 | Impurity; controlled content improves machinability |
Controlled hardenability in scm-435H ensures uniform hardness distribution and consistent Mechanical properties across various section sizes.
Scm-435H has several international near equivalents, including:
Scm-435H is preferred for applications requiring consistent mechanical performance and reliable heat treatment results. Its controlled hardenability helps minimize distortion, ensures uniform hardness, and improves product reliability. Additionally, its high strength and fatigue resistance make it ideal for critical engineering and automotive components.
| Grade | Carbon (%) | Key applications | Heat treatment | Comments |
| Scm-435H | 0.33 – 0.38 | Shafts, gears, fasteners, automotive parts | Quenching & tempering | Controlled hardenability steel |
| 34crmo4h | 0.30 – 0.37 | Automotive and heavy engineering components | Quenching & tempering | European equivalent |
| Aisi 4135h | 0.33 – 0.38 | Machinery and transmission components | Quenching & tempering | American equivalent |
| Din 1.7220h | 0.30 – 0.37 | Precision engineering components | Quenching & tempering | German equivalent |
Scm-435H is a high-performance chromium-molybdenum alloy steel designed for quenching and tempering applications where controlled hardenability is required. It provides excellent strength, toughness, and durability for components operating under high stress and dynamic loading conditions.