Monel Alloy Round Bars

Name: Monel Alloy Round Bars
Brand: JAYANT IMPEX
Price: 4100.0 INR
Availability: InStock

4100.0 INR/Piece

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Product Details:

Diameter 6 mm to 350 mm
Length Cut Lengths 100 mm to 6000 mm or custom as per requirement
Tolerance H9, H11, K12, K13 or as specified
Processing Rolled / Forged
Standard ASTM B164 / ASME SB164
Application Construction, Marine, Oil & Gas, Chemical Processing, Power Generation
Grade Monel 400, Monel K500
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Monel Alloy Round Bars Price And Quantity

Price 4100.0 INR/Piece
Minimum Order Quantity 1 Piece

Monel Alloy Round Bars Product Specifications

Finish Bright, Rough Turned, Black, Polished
Type Round Bar
Specific Use Corrosion Resistant Applications
Standard ASTM B164 / ASME SB164
Grade Monel 400, Monel K500
Application Construction, Marine, Oil & Gas, Chemical Processing, Power Generation
Material Monel Alloy
Technique Hot Rolled / Cold Drawn
Length Cut Lengths 100 mm to 6000 mm or custom as per requirement
Diameter 6 mm to 350 mm
Tolerance H9, H11, K12, K13 or as specified
Processing Rolled / Forged

Tensile Strength 550 MPa min (Monel 400)
Yield Strength 240 MPa min (Monel 400)
Hardness Annealed, Half Hard, Hard
Density 8.80 g/cm3
Packaging Standard Packaging / Customized as Required
Melting Point 1300C - 1350C
Elongation 35% min
Surface Condition Machined, Peeled, Polished
Test Certificate EN 10204 3.1 / EN 10204 3.2

Product Description

Monel alloys are nickel-copper solid-solution and precipitation-hardenable alloys engineered for extreme corrosion resistance and mechanical strength. Across international standards, the most widely specified round bar materials are Monel 400 (UNS N04400 / DIN Werkstoff Nr. 2.4360), Monel K-500 (UNS N05500 / DIN Werkstoff Nr. 2.4375), and free-machining Monel R-405 (UNS N04405 / DIN Werkstoff Nr. 2.4361).

Standards and Chemical Limits

Monel 400 and Monel R-405 are governed by ASTM B164 and ASME SB164 specifications, while Monel K-500 is governed by ASTM B865, ASME SB865, and AMS 4676 specifications. All three grades comply with NACE MR0175 and ISO 15156 standards for sour gas environments.

Chemically, Monel 400 contains a minimum of 63.0 percent nickel and 28.0 to 34.0 percent copper, with maximum impurity limits of 2.5 percent iron, 2.0 percent manganese, 0.50 percent silicon, 0.30 percent carbon, and 0.024 percent sulfur.

Monel R-405 matches this chemical baseline but intentionally adds 0.025 to 0.060 percent sulfur to enhance chip breaking during high-speed machining.

Monel K-500 modifies the base nickel-copper matrix by adding 2.30 to 3.15 percent aluminum and 0.35 to 0.85 percent titanium, with maximum limits of 2.0 percent iron, 1.5 percent manganese, 0.50 percent silicon, 0.25 percent carbon, and 0.01 percent sulfur.

Physical Characteristics

Monel 400 has a density of 8.80 grams per cubic centimeter (0.318 pounds per cubic inch), a melting range of 1300 to 1350 degrees Celsius, an elastic modulus of 179 gigapascals, and thermal conductivity of 21.8 watts per meter-kelvin. It is non-magnetic when fully annealed, though heavy cold work can raise its Curie point into the 20 to 50 degrees Celsius range, causing slight magnetic permeability at room temperature.

Monel K-500 has a slightly lower density of 8.44 grams per cubic centimeter (0.305 pounds per cubic inch), a melting range of 1315 to 1350 degrees Celsius, an elastic modulus of 179 gigapascals, and thermal conductivity of 17.5 watts per meter-kelvin. Monel K-500 remains non-magnetic down to cryogenic temperatures below minus 100 degrees Celsius.

Mechanical Properties and Thermal Conditions

Monel 400 and Monel R-405 cannot be hardened by heat treatment; their mechanical strength is developed solely through cold work. In the hot-finished or annealed state, Monel 400 bars exhibit a minimum tensile strength of 550 megapascals (80 ksi), a minimum 0.2 percent yield strength of 240 megapascals (35 ksi), a minimum elongation of 35 percent, and a typical hardness of 110 to 150 Brinell. Cold-drawn stress-relieved Monel 400 bars increase to a minimum tensile strength of 620 megapascals (90 ksi), a minimum yield strength of 415 megapascals (60 ksi), an elongation of 15 percent, and a hardness between 160 and 220 Brinell.

Monel K-500 gains superior strength through precipitation age-hardening heat treatments. In the solution-annealed condition, Monel K-500 displays a tensile strength of 620 to 760 megapascals (90 to 110 ksi), a yield strength of 275 to 415 megapascals (40 to 60 ksi), an elongation of 25 to 50 percent, and a hardness of 140 to 180 Brinell. Following precipitation age-hardening, gamma prime sub-microscopic particles form within the matrix, raising the minimum tensile strength to 965 to 1100 megapascals (140 to 160 ksi), minimum yield strength to 690 to 790 megapascals (100 to 115 ksi), elongation to 20 to 30 percent, and hardness to 28 to 35 Rockwell C (280 to 330 Brinell). Cold-drawn and aged Monel K-500 round bars reach tensile strengths up to 1310 megapascals (190 ksi), yield strengths up to 965 megapascals (140 ksi), and hardness levels up to 38 Rockwell C.

Exceptional Corrosion Resistance

Monel Alloy Round Bars are highly valued for their extraordinary resistance to corrosion, especially in saltwater and chemical environments. Their robust composition ensures optimal performance and longevity, which is crucial in industries such as marine, oil & gas, and chemical processing, where harsh conditions are prevalent.

Versatile Mechanical Properties

These round bars deliver consistent mechanical performance, with an elongation of at least 35%, yield strength of 240 MPa min (Monel 400), and tensile strength of 550 MPa min. Available in annealed, half hard, and hard hardness levels, they cater to diverse engineering requirements, enhancing reliability across various applications.

FAQ's of Monel Alloy Round Bars:

Q: How are Monel Alloy Round Bars typically processed and finished?

A: Monel Alloy Round Bars can be manufactured using hot rolling or cold drawing techniques. They are further processed by machining, peeling, or polishing to create different surface conditions such as bright, polished, rough turned, or black finishes, ensuring suitability for a wide range of industrial requirements.

Q: What certifications and standards do Monel Alloy Round Bars comply with?

A: These bars are produced in accordance with international standards ASTM B164 and ASME SB164. They are accompanied by test certificates EN 10204 3.1 or EN 10204 3.2, providing assurance of their quality and compliance with rigorous industry guidelines.

Q: When should Monel Alloy Round Bars be used in construction or marine projects?

A: Monel Alloy Round Bars are ideal for projects requiring exceptional corrosion resistance, such as marine structures, oil & gas platforms, chemical processing equipment, and power generation facilities. Their robustness ensures durability in demanding environments where standard materials might fail.

Q: Where are Monel Alloy Round Bars commonly supplied and used in India?

A: As leading dealers, exporters, fabricators, manufacturers, producers, retailers, suppliers, and traders, Monel Alloy Round Bars are widely distributed across India and frequently utilized in regional marine, construction, oil & gas, and power generation sectors.

Q: What are the main benefits of choosing Monel 400 and Monel K500 round bars over other materials?

A: Choosing Monel 400 and Monel K500 round bars offers enhanced corrosion resistance, superior mechanical strength, and excellent performance in both high and low-temperature environments, making them reliable for critical engineering applications.

Q: How can customers customize Monel Alloy Round Bars for their specific needs?

A: Customers can specify the required diameter (6 mm to 350 mm), length (100 mm to 6000 mm or custom), hardness, tolerance (H9, H11, K12, K13 or as specified), and surface finish. Custom packaging options are also available upon request to meet logistical and application-specific requirements.

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