Ganpat Metal manufactures and supplies Monel Hex Bars in Monel 400 (UNS N04400) and Monel K-500 (UNS N05500) conforming to ASTM B164, ASTM B865, ASME SB164 and Federal Specification QQ-N-286. Monel nickel-copper solid-solution alloys are the global benchmark for non-ferrous marine and chemical hardware.
Monel 400 offers unmatched resistance to rapidly flowing seawater, marine atmospheric corrosion, hydrofluoric acid, and strong caustic alkalis while retaining outstanding toughness from sub-zero cryogenic levels up to 550°C. Monel K-500 adds precipitation-hardening aluminium and titanium, multiplying yield strength up to 690 MPa while preserving non-magnetic characteristics down to -100°C.
We supply Monel hex bars from 4 mm to 75 mm across flats in cold drawn annealed, stress relieved, and precipitation age-hardened conditions, widely used for naval bolts, marine pump shafts, offshore valve stems, and subsea instrument hardware.
GM handles enquiries for Monel Hex Bars where buyers need to match hexagonal bar dimensions, across flats (AF) tolerances, and material grade to project drawings or purchase specifications. The supplied inventory covers precision cold drawn and hot rolled sizes beginning from 3 mm up to 100 mm across flats, with custom cut-to-length and surface finish options.
Grade selection should be based on the mechanical tensile properties, hardness, corrosion resistance, and chemical composition required by the project application. Buyers should also confirm the applicable standard specification (ASTM / ASME / EN), delivery condition (cold drawn, annealed, or quenched & tempered), inspection requirements, and documentation before finalizing an order.
| Parameter | Specification |
|---|---|
| Standard Specifications | ASTM B164 / ASME SB164 (400), ASTM B865 / ASME SB865 (K-500), QQ-N-286 |
| Available Grades | Monel 400 (UNS N04400), Monel K-500 (UNS N05500) |
| Size Range (AF) | 4 mm to 75 mm Across Flats |
| Length | 100 mm to 6000 mm (Custom cut lengths available) |
| Heat Treatment | Annealed, Stress Relieved, Precipitation Age Hardened (K-500) |
| Magnetic Permeability | Non-magnetic (< 1.002) for Monel K-500 |
| Surface Finish | Cold Drawn Bright, Turned, Smooth Machined, Pickled |
| Dimensional Tolerance | ASTM B164 / ASTM B865 h9 / h11 |
| Testing & Certification | Tensile, Hardness, PMI, Ultrasonic Testing, Chemical Analysis |
| Documentation | EN 10204 Type 3.1 / 3.2 Mill Test Certificate |
Standard chemical composition limits conform to international metallurgical standards.
| Grade | Ni | Cu | Fe max | Mn max | Al | Ti |
|---|---|---|---|---|---|---|
| Monel 400 | 63.0 min | 28.0 – 34.0 | 2.50 | 2.00 | — | — |
| Monel K-500 | 63.0 min | 27.0 – 33.0 | 2.00 | 1.50 | 2.30 – 3.15 | 0.35 – 0.85 |
Minimum mechanical property requirements in designated standard delivery condition:
| Grade | Tensile Strength (min) | Yield Strength 0.2% (min) | Elongation (min) | Hardness |
|---|---|---|---|---|
| Monel 400 (Annealed) | 485 MPa (70 ksi) | 170 – 240 MPa (25–35 ksi) | 35% | 150 HB max / 75 HRB |
| Monel 400 (Cold Drawn) | 585 MPa (85 ksi) | 380 MPa (55 ksi) | 15% | 180 HB max / 88 HRB |
| Monel K-500 (Age Hardened) | 965 MPa (140 ksi) | 690 MPa (100 ksi) | 20% | 27 HRC min / 280 HB |
| Standard / Country | Designation |
|---|---|
| Monel 400 | UNS N04400 • Werkstoff 2.4360 • EN NiCu30Fe • Alloy 400 |
| Monel K-500 | UNS N05500 • Werkstoff 2.4375 • EN NiCu30Al • Alloy K500 • QQ-N-286 |
| Form / Type | Size Range | Length / Dimensions | Condition / Standard |
|---|---|---|---|
| Cold Drawn Monel Hex | 4 mm to 50 mm AF | 1000 mm to 4000 mm | Cold Drawn, Annealed or Age Hardened |
| Hot Rolled Monel Hex | 20 mm to 75 mm AF | Up to 5000 mm | Hot Rolled & Pickled / Machined |
| Cut Pieces & Pins | All Sizes | Cut-to-size | Precision deburred for marine fastener turning |
Custom dimensions, special cuts, and tailored surface conditions available on request.
Enter hex bar dimensions (across flats & length) and click Calculate to get approximate weight.
Ganpat Metal manufactures and supplies certified Monel Hex Bars for industrial buyers across India. All materials are sourced from premium quality mills, fully tested for chemistry, mechanical properties, and dimensional tolerances, and supplied with complete traceable Mill Test Certificates.
Whether you require standard stock dimensions or customized sizes, Ganpat Metal maintains deep inventories in Mumbai and provides rapid dispatch, custom cut-to-length services, and third-party inspection support.
India
UAE
Saudi Arabia
Oman
Australia
Malaysia
Singapore
Bangladesh
Egypt
Brazil
Russia
Kazakhstan
| Requirement | Details to Provide |
|---|---|
| Grade | Monel 400 (UNS N04400) / Monel K-500 (UNS N05500) |
| Standard | ASTM B164 / ASTM B865 / QQ-N-286 |
| Size Across Flats (AF) | Required AF in mm or inches |
| Length | Standard 3m or exact cut lengths in mm |
| Condition | Annealed (400) / Age Hardened (K-500) |
| Quantity | Required quantity in kg or pieces |
| Magnetic Permeability | Permeability check certification if required for K-500 |
| Documentation | EN 10204 Type 3.1 / 3.2 MTC with full melt analysis |