OharePrecision Logo

9310 Round Bar

Strength beyond limits: Choose 9310 round bar for unparalleled performance.

9310 round bars - The backbone of industrial success

9310 round bar - For when strength matters most

When it comes to applications where strength is of paramount importance, 9310 round bar  rise to the occasion. These round bars are specifically designed to meet the demands of high-stress environments, providing unparalleled durability and resilience.

The inherent strength of 9310 steel ensures that these round bars can withstand heavy loads, intense pressures, and extreme conditions with ease. Whether you’re working in aerospace, automotive, oil and gas, or any other industry that requires robust components, 9310 round bars deliver the reliability you need.

Engineered to offer exceptional mechanical properties, 9310 round bars exhibit excellent tensile strength, toughness, and hardness. This enables them to bear immense forces and resist deformation, ensuring structural integrity and enhanced performance.

In addition to their impressive strength, 9310 round bars also possess excellent wear and fatigue resistance, making them ideal for applications subjected to repetitive stress or abrasive environments. Their ability to endure prolonged use without compromising performance makes them a preferred choice for critical components such as gears, shafts, and axles.

Discover the Superiority of 9310 Round Bar

Unlock a world of advantages with 9310 tool steel. These exceptional materials have been trusted for decades in the construction industry, and for good reason. With remarkable resistance to corrosion and oxidation, they provide lasting durability and reliability.

But that’s not all. Here’s why you should choose this alloy;

  1. Unmatched Corrosion Resistance: With 9310 steel, you can rest assured knowing your components will stand up to the harshest environments. Its outstanding corrosion resistance ensures long-lasting performance, even in challenging conditions.

  2. Superior Mechanical Strength and Hardness: When strength matters most, turn to 9310 alloy. It boasts excellent mechanical strength and hardness, delivering the robustness needed for demanding applications. Your projects will thrive under heavy loads and intense pressures.

  3. Weld with Confidence: 9310 steel offers excellent weldability, making fabrication and assembly processes more efficient. Enjoy the flexibility to create intricate structures and join components seamlessly, without compromising strength or integrity.

  4. Optimal Heat Treatment Properties: Experience the versatility of 9310 alloy. Its good heat treatment properties enable precise adjustments to achieve the desired material properties. Customize your steel to meet specific requirements and ensure optimal performance in any application.

Properties and Chemical Composition

The chemical composition of 9310 is carefully engineered to deliver exceptional strength and durability. It typically consists of carbon (0.08-0.15%), manganese (0.45-0.65%), silicon (0.20-0.35%), and nickel (3.00-3.50%).

These elements work together to optimize the mechanical properties of the steel, ensuring superior performance in demanding applications. With controlled levels of these elements, 9310 steel offers a winning combination of hardness, toughness, and strength.

Steel Properties


Ultimate Tensile Strength 

Yield Tensile Strength 

Hardness Rockwell | Brinell 

Melting Point 

Specific Heat 

Modulus of Elasticity 

Reduction of Area Percentage

0.284 lb/in3

155 ksi

130 ksi

B109 | 331

2,580-2,650 °F

1.1 x 10^-1 BTU/lb-°F

29,000 ksi


Chemical Composition

















O’Hare’s 9310 Round Bar

O’Hare offers premium grade steel bar known for its exceptional performance and reliability. Meticulously crafted with the highest quality materials and advanced manufacturing techniques, 

Crafted from 9310 alloy steel, this bar exhibits outstanding mechanical properties, including exceptional strength, hardness, and toughness. Its composition is carefully engineered to provide optimal performance in high-stress environments, making it a preferred choice for critical applications.

With O’Hare’s 9310 round bar you can trust in its superior corrosion resistance, ensuring longevity and durability even in harsh conditions. Its excellent weldability further enhances its versatility, allowing for seamless fabrication and assembly processes.

Whether you’re in the aerospace, automotive, or any other industry that demands top-tier performance, O’Hare’s delivers unmatched reliability and peace of mind. Experience the exceptional quality and performance of O’Hare’s bars for your next project.

Request a quote for round bar stocks now!