8740 Round Bar: Material Profile
8740 provides broad hardenability and balanced strength for shafts, fasteners, and forged components.
Include the size, condition, mechanical properties, heat-treatment status, surface limits, and certification with the RFQ.
Purchase to the controlling ASTM, SAE, AMS, or customer specification. Section size, supply condition, mechanical properties, surface limits, testing, and heat/lot traceability can change the acceptable material and processing route.
Key Characteristics
- High strength potential
- Good hardenability
- Good toughness
- Good fatigue resistance
Common Applications
- High-strength bolts
- Shafts and axles
- Forged aircraft parts
- Heavy-duty machinery components
Specification Requirements
Identify the governing specification and revision, product form, section size, condition, mechanical properties, testing, and certification requirements. The purchase specification and material certification govern the order.
Request Pricing for 8740 Round Bar
We quote 8740 for manufacturers and commercial buyers. Requirements of 3,000–10,000 lb are welcome, along with multi-ton and truckload programs.
We are not a retail metal store. Small personal-use, typical single-bar, and cut-piece orders are generally not a fit. The material field is prefilled and remains editable; add the specification, size, condition, total weight, processing, testing, required date, and ship-to location.