ASTM A519 4140 Tube is a premium-strength mechanical tube made of chrome-molybdenum steel grade 4140. This grade provides superior tensility strength, impact toughness, wear opposition and heat treatability for usage in automobile industry, petroleum and gases industry, hydraulic tubes, machining and machine parts, building and structure uses and in stress vessels. ASTM A519 Grade 4140 seamless tubing are accessible in circular, circularity, rectangular and also DOM size as well as sizes from precise sizes and high mechanised functionality.

Leading Supplier of ASTM A519 4140 Tubes

We are a trusted manufacturer, stockist, and exporter of ASTM A519 4140 Tubes designed to meet demanding industrial requirements. Manufactured according to ASTM A519 specifications, these tubes are produced using premium chromium-molybdenum alloy steel that provides exceptional strength, durability, and machinability.

Our inventory includes AISI 4140 UNS G41400 Tubes, Alloy Steel AISI 4140 Seamless Tube, AISI 4140 1.7225 Seamless Tubes, and ASTM A519 AISI 4140 Welded Tubes in various dimensions, wall thicknesses, and finishes. These tubes are extensively used in heavy engineering, automotive manufacturing, mining equipment, construction machinery, hydraulic systems, and energy sector applications.

As an experienced Carbon Steel AISI 4140 Tubing Supplier in Mumbai, India, we supply products that comply with international quality standards while ensuring competitive pricing and reliable delivery schedules.

What are ASTM A519 Grade 4140 Tubes?

ASTM A519 Grade 4140 tubes are seamless mechanical tubing products manufactured from medium-carbon chromium-molybdenum alloy steel. The addition of chromium and molybdenum significantly improves hardenability, strength, wear resistance, and fatigue performance compared to conventional carbon steel grades.

The material is internationally recognized under several designations including:

• ASTM A519 Grade 4140
• AISI 4140
• SAE 4140
• UNS G41400
• EN 1.7225
• 42CrMo4 (Equivalent Grade)

Due to their excellent mechanical properties, ASTM A519 Grade 4140 seamless tubing products are preferred in applications requiring high strength under dynamic loading conditions.

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