Hemi Metals, located in Hamilton, New Zealand, is a reliable manufacturer and supplier of Alloy Steel AISI 8630 Bars and Rods, designed for applications that require strength, toughness, and dependable performance under heavy loads. Renowned for providing top-notch alloy steels, the company guarantees that each 8630 bar and rod is crafted with precise dimensions, consistent chemistry, and exceptional mechanical properties. This nickel-chromium-molybdenum alloy is popular in industries that need superior hardenability, impact resistance, and fatigue strength. Hemi Metals supplies AISI 8630 Bars and Rods to sectors like energy, automotive, forging, and heavy machinery, ensuring durability and adherence to international engineering and metallurgical standards.
Alloy Steel AISI 8630 Bars and Rods consist of 0.28–0.33% carbon, 0.4–0.7% manganese, 0.4–0.7% chromium, 0.4–0.7% nickel, and 0.15–0.25% molybdenum. This well-balanced alloy mix offers excellent hardenability, strength, and toughness. AISI 8630 provides high tensile strength, robust yield properties, and remarkable impact resistance, particularly in normalized, quenched, and tempered states. It also boasts good fatigue strength and maintains mechanical stability under shock or cyclic loading. Compared to higher-carbon grades, this alloy has better machinability and weldability, making it ideal for critical components that demand both durability and structural integrity.
| Dimensions: | ASTM, ASME, DIN, BS, EN, IS, AMS, JIS, IBR & Other International Standards. |
|---|---|
| Standard: | AISI 8630 |
| Diameter: | 100mm-1200mm |
| Length: | 500mm – 5800mm |
| Finish: | Bright, Polish & Black |
| Condition: | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Form: | Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc. |
| Grade | AISI 8630 | |
|---|---|---|
| C | 0.49 | |
| Cu | – | |
| Si | 0.15 – 0.35 | |
| S | 0.04 | |
| Mn | 0.7 – 0.9 | |
| Ni | 0.4 – 0.7 | |
| Fe | – | |
| Grade: | AISI 8630 |
|---|---|
| Tensile Strength (ksi) min : | 980 |
| Elongation (% in 50mm) min: | 11 |
| Yield Strength 0.2% Proof (ksi) min: | 785 |
| Hardness: | – |
Alloy Steel AISI 8630 Bars and Rods are known for their excellent strength, toughness, and wear resistance. With a balanced composition of chromium, molybdenum, and nickel, they offer superior performance in high-stress and high-temperature environments, making them ideal for heavy-duty applications.
Yes, AISI 8630 Bars and Rods can undergo heat treatment processes like quenching and tempering to enhance their mechanical properties, including increasing hardness and strength, which further improves their performance in demanding applications.
AISI 8630 Bars and Rods are widely used in industries such as oil and gas, automotive, construction, and heavy machinery. They are ideal for making components like gears, shafts, axles, and structural parts that require excellent durability and resistance to wear and fatigue.
| Standard: | AISI 8630 |
|---|---|
| WERKSTOFF NR. | 1.6545 |
| UNS | G86300 |
Alloy Steel AISI 8630 Bars and Rods find extensive use in industries that require strong, tough, and wear-resistant components. They are frequently utilized in oil and gas equipment, drill collars, wellhead components, and high-stress forging applications. The automotive and heavy machinery industries rely on 8630 for gears, crankshafts, connecting rods, axles, and drive shafts. Additionally, it’s used in construction equipment, power generation parts, and industrial machinery that face repeated shocks or heavy loads.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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