AISI 4140 Steel Bar

Name: AISI 4140 Steel Bar
Brand: RIGHTON IMPEX
Price: 50 INR
Availability: InStock

50 INR

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Product Details:

Tensile Strength 8501000 MPa (varies with condition)
Material Composition % C: 0.380.43%, Mn: 0.751.00%, Si: 0.150.35%, Cr: 0.801.10%, Mo: 0.150.25%, P: 0.035%, S: 0.040%
Corrosion Resistant Moderate (requires surface protection for corrosive environments)
Product Form Bar
Size Custom sizes available
Heat Resistance Yes
Recyclable Yes
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AISI 4140 Steel Bar Price And Quantity

Minimum Order Quantity 500 Kilograms
Price 50 INR

AISI 4140 Steel Bar Product Specifications

Material Composition % C: 0.380.43%, Mn: 0.751.00%, Si: 0.150.35%, Cr: 0.801.10%, Mo: 0.150.25%, P: 0.035%, S: 0.040%
Color Metallic Grey
Usage For making components requiring superior tensile and fatigue strength
Tensile Strength 8501000 MPa (varies with condition)
Weight Varies with size and length, e.g., 100mm diameter 61.7 kg/m
Thickness As per requirement, typically 20mm to 300mm
Steel Type Alloy Steel
Finish Type Black or Bright
Size Custom sizes available
Product Name AISI 4140 Steel Bar
Shape Round, Square, Hexagonal, Flat
Surface Black, Bright, Peeled, Polished
Steel Product Type Round Bar, Hex Bar, Square Bar, Flat Bar
Corrosion Resistant Moderate (requires surface protection for corrosive environments)
Product Form Bar
Recyclable Yes
Composition Contains Chromium, Molybdenum, Carbon, Manganese, Silicon, Iron
Application Automotive, Machinery, Shafts, Gears, Bolts, Oil and Gas Industry, Forgings
Heat Resistance Yes
Steel Standard ASTM A29/A829, DIN 1.7225, JIS SCM440
Diameter 16mm to 300mm (other sizes on request)
Hardness 197235 HB (annealed)
Material Grade 4140
Grade AISI 4140
Coating Type Can be supplied with or without protective coating
Dimension (L*W*H) Customizable; standard lengths up to 6m or as per requirements

Machinability Good (rated at 65% of B1112)
Elongation 16% (in 50mm)
Impact Strength (Charpy V-notch) Often 35 J
Straightness Standard: 0.4mm per meter (can be customized)
Modulus of Elasticity 205 GPa
Yield Strength 655 MPa (min, quenched and tempered)
Weldability Moderate; pre- and post-heat treatment required
Melting Point Approx. 1416C
Delivery Condition Annealed, Hardened & Tempered, as per requirement
Ultrasonic Tested Available on request

AISI 4140 Steel Bar Trade Information

Payment Terms Cash Against Delivery (CAD), Cash on Delivery (COD), Cash in Advance (CID), Cheque, Cash Advance (CA)
Supply Ability 100000 Kilograms Per Month
Delivery Time 1 Days
Main Domestic Market All India

Product Description

Highlighted as a superlative Hot Deal in alloy steels, the Venerable AISI 4140 Steel Bar offers sublime strength and reliability for demanding industries such as automotive, oil & gas, and heavy machinery. Featuring a minimum yield strength of 655 MPa, excellent machinability (65% of B1112), and moderate weldability, its supplied in diverse formsround, hex, square, and flat. Custom diameters (16300mm) and lengths, with delivery conditions tailored from annealed to hardened & tempered, meet unique project requirements. This robust bar complies with renowned standards like ASTM A29/A829 and DIN 1.7225. Surface finishes include black, bright, peeled, or polished, combining metallic grey allure with advanced mechanical properties.

Features, Usage, and Application Media

The AISI 4140 Steel Bar excels with machine-friendly features, surpassing expectations in machinability and fatigue resistance. Direction of use includes precision component manufacturing, forging, and engineering assemblies. Suitable application media encompass demanding environmentsautomotive shafts, gear systems, industrial bolts, and oilfield machinerythat require high tensile and impact strength. Its customizable shapes and sizes ensure seamless integration into varied industrial processes, maximizing efficiency and reliability for manufacturers.

Delivery, Packaging, & Certifications

Shipped goods are delivered promptly across India and internationally with dedicated charge and supply schedules, ensuring products reach on time. Packaging details include secure bundles, protective coatings, and labeling for traceability. The AISI 4140 Steel Bar is supplied with relevant certifications such as ASTM, DIN, and JIS standards, along with ultrasonic testing available upon request. Each supply guarantees authenticity, quality, and compliance with industry benchmarks for consistent performance.

FAQs of AISI 4140 Steel Bar:

Q: How can the dimensions and finish of AISI 4140 Steel Bar be customized for specific project requirements?

A: Dimensions, length, and surface finishincluding black, bright, peeled, or polishedcan be tailored according to customer specifications. Sizes range from 16mm to 300mm diameter, and custom lengths up to 6m or more are available upon request.

Q: What are the main applications and usage benefits of AISI 4140 Steel Bar?

A: AISI 4140 Steel Bar is used for making high-strength components in automotive, machinery, oil & gas, and forging industries. Its superior tensile strength, impact resistance, and machinability provide durability and reliability in demanding applications.

Q: Where is AISI 4140 Steel Bar manufactured and supplied from?

A: This alloy steel bar is manufactured, exported, and supplied throughout India by certified suppliers and manufacturers, ensuring widespread availability for national and international markets.

Q: When should pre- and post-heat treatment processes be applied during welding?

A: Pre- and post-heat treatment procedures should be applied during welding to optimize structural integrity and prevent cracking, as AISI 4140s moderate weldability requires controlled thermal cycles for best results.

Q: What certifications and standards does the AISI 4140 Steel Bar comply with?

A: It complies with respected industry standards including ASTM A29/A829, DIN 1.7225, and JIS SCM440, with quality certifications and ultrasonic testing available to assure mechanical and structural performance.

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