Value Collection DA1.0X01.5X36 4140 Steel Flat Bar

Product Description

The VALUE COLLECTION DA1.0X01.5X36 is a 4140 alloy steel flat bar supplied in the pre-hardened condition, ready for machining or fabrication without additional heat treatment. Measuring 1 inch thick, 1.5 inches wide, and 36 inches long, this bar is suited for applications that demand higher tensile strength and wear resistance than standard mild steel. 4140 is a chromium-molybdenum alloy steel known for good toughness, moderate machinability in the pre-hardened state, and consistent mechanical properties throughout the cross section. Machinists, tool and die makers, and maintenance professionals commonly use this material for shafts, fixtures, tooling plates, and structural components.

This flat bar is appropriate for job shop, MRO, and production environments where pre-hardened alloy stock eliminates the need for in-house heat treatment. Typical applications include the fabrication of guide rails, wear plates, keys, pins, and custom machine components. The 36-inch length provides a workable blank for most lathe, mill, or saw operations without excessive scrap. It is well suited to both general metalworking shops and industrial maintenance departments that require reliable alloy steel stock on demand.

Key Features

• 4140 chromium-molybdenum alloy steel for improved tensile strength and toughness over low-carbon grades
• Pre-hardened condition eliminates the need for additional heat treatment before use
• Flat bar profile at 1 inch thick by 1.5 inches wide simplifies layout and fixturing
• 36-inch length provides a full working blank suitable for most shop operations
• Consistent cross-section dimensions support close-tolerance machining

Compatibility

Designed as a general-purpose 4140 pre-hardened alloy steel flat bar for use in machining, fabrication, and MRO applications requiring higher-strength steel stock.

Installation Notes

Cutting, drilling, and milling 4140 pre-hardened steel requires carbide or high-speed steel tooling rated for alloy steel; use appropriate feeds, speeds, and cutting fluid to prevent work hardening and premature tool wear. Secure the bar firmly in a vise or fixture before any cutting operation to prevent movement. Welding pre-hardened 4140 requires pre-heat and post-weld heat treatment procedures per applicable welding codes to avoid cracking; consult a qualified welding engineer before attempting weld repairs. Observe all applicable shop safety practices including eye protection and machine guarding when working with steel bar stock.