Monel 400 Round Bars Manufacturer in India | ASTM B164 / UNS N04400

Monel 400 Round Bar Specification Chart

Monel 400 — designated UNS N04400 under the Unified Numbering System and DIN 2.4360 / 2.4368 in Europe — is manufactured to ASTM B164 and ASME SB164. The table below summarizes the alloy identity, available finishes, condition, and tolerance standards that define a compliant Monel 400 round bar.

Monel 400 Bars & Rods — Available Forms

Beyond standard round bar, Monel 400 is available in a range of cross-sections and surface conditions to match different machining and structural requirements:

• Monel 400 Polish Round Bar — mirror-finished for precision components requiring minimal secondary machining
• Monel 400 Cold Drawn Bar — tighter dimensional tolerance and improved surface finish over hot-rolled stock
• Monel 400 Hexagonal Bar — for fasteners and components requiring a flat-sided cross-section
• Monel 400 Forged Bars — for heavy-section components requiring enhanced grain flow and structural integrity
• Monel 400 Threaded Bar — pre-threaded stock for stud and rod applications
• Monel 400 Hollow Bars — for tubular components and weight-sensitive assemblies
• Monel 400 Black Bar — as-rolled/hot-finished surface for parts requiring further machining
• Monel 400 Bright Round Bar — smooth, bright-drawn finish for visible or corrosion-critical surfaces
• Monel 400 Hexagon Bar — standard hex stock for nuts and fittings
• Monel 400 Alloy Rods — general-purpose rod stock across the full diameter range
• Monel 400 Forged Round Bar — forged for superior mechanical integrity in critical applications
• Monel 400 Half-Round Bar — for specialty structural and decorative applications
• Monel 400 Triangle Bar — for specific structural profiles
• Monel 400 Rectangular Bar — for machining flat/rectangular components

Standard Mill Lengths of Monel 400 Round Bars

Monel 400 round bars manufactured to ASTM B164 and UNS N04400 are stocked in standard mill lengths of 3, 4, and 6 meters. Custom cutting to length is available on request without compromising mechanical properties or corrosion resistance, so fabricators can order exact drop lengths and reduce offcut waste.

Dimensional Tolerances for Monel 400 Bars

Monel 400 bars are manufactured within ISO and international tolerance bands to ensure precise fit for critical industrial applications. Tolerance class depends on bar type, diameter, and surface finish — cold-drawn and ground bars hold tighter tolerances than hot-rolled stock, as summarized below.

International Standards Cross-Reference for Monel 400 Square Bars

Monel 400 square bars manufactured to DIN 2.4068 are cross-referenced against equivalent aerospace, military, and national standards worldwide, giving engineers and procurement teams confidence that a bar sourced from Unifit Metalloys will meet the specification called for on any international drawing.

Mechanical Properties of Monel 400 Rods (ASTM B164 / UNS N04400)

Monel 400's combination of high tensile strength and good ductility makes it suitable for both structural and precision-machined components. The table below summarizes the key mechanical properties engineers reference when selecting bar stock for a given application.

Chemical Composition of UNS N04400 Monel 400 Bars

Understanding the precise chemical makeup of Monel 400 is essential for engineers, fabricators, and buyers confirming material compliance. The nickel-copper composition below is what gives Monel 400 its combination of strength and resistance to seawater, hydrofluoric acid, and caustic media.

Strength & Thermal Properties of UNS N04400 Bright Bars

In addition to the standard mechanical properties above, Monel 400 bright bars carry specific thermal and cold-worked strength characteristics relevant to high-temperature or high-load applications. These figures apply specifically to bright-finished, cold-worked bar stock.

Cold Drawn Monel 400 Round Bar Tolerances

Cold drawing enhances both strength and surface finish, but requires strict dimensional control. The table below details the permitted variation for round, square, hexagon, and flat cold-drawn Monel 400 bars by size range, so you can confirm fit tolerance before ordering.

Full Diameter & Length Range of Monel 400 Round Bars

Unifit Metalloys stocks Monel 400 round bars across a wide diameter range in hot-finished-annealed and cold-drawn conditions, manufactured to ASTM B164 / ASME SB164. Common stock sizes and their governing specification are listed below.

Monel 400 Square & Hex Bar Dimensions

Monel 400 square and hexagon bars are manufactured to metric, US, Japanese, and Canadian sizing conventions, ensuring compatibility with fastener and machining standards used across different regions and industries.

Standard Sizes & Weights of Monel 400 Flat Bars

Monel 400 flat bars are stocked in a range of standard widths and thicknesses, each identified by a colour code for fast inventory sorting on the shop floor. Standard mill length is 6.0 meters, with larger widths and custom cutting available on request.

Note: Flat bars are also available in larger widths up to 300 mm and thickness up to 50 mm, with standard lengths of 3 m, 4 m and 6 m depending on customer requirements. Colour codes are used for easy identification during inventory handling.

Cold Drawn, Hot Rolled & Polished Finishes of Monel 400

Monel 400 round bars are available in multiple surface finishes, each suited to different mechanical and corrosion-resistance requirements. Use the abbreviation reference below when specifying finish on your purchase order.

Applications of Monel 400 Round Bars

Request Competitive Pricing on Monel 400 Round Bars

Get an instant quote and custom pricing tailored to your required diameter, finish, and order quantity. Every batch of Monel 400 round bar we supply is verified against UNS N04400 chemistry and ASTM B164 mechanical requirements before dispatch.

Monel 400 Round Bars — Manufactured & Supplied by Unifit Metalloys

With over a decade of metallurgical expertise, Unifit Metalloys supplies Monel 400 round bars to marine, chemical processing, and oil & gas fabricators across 50+ countries. Every batch is dimensionally verified against ISO 2768-m tolerances and shipped with full EN 10204 3.1 material traceability — so you know exactly what alloy, heat lot, and mechanical test results back every bar you receive.

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