400 Nick Alloy Bar Stock

Product Overview

400 bar stock is a nickel-copper alloy renowned for its exceptional resistance to seawater, acids, and alkaline environments. Compliant with ​ASTM B164, ​ASME SB164, and ​DIN 17751 standards, it is widely used in marine engineering, chemical processing, oil & gas, and power generation industries. Ideal for valves, pump shafts, and heat exchanger components, Monel 400 combines high strength with outstanding fabricability.

​Product Specifications

​Material & Composition

• ​Nickel (Ni): 63-70%
• ​Copper (Cu): 28-34%
• ​Iron (Fe): ≤2.5%
• ​Manganese (Mn): ≤2.0%
• ​Standards: ASTM B164, ASME SB164, EN 10095

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Dimensions & Forms

• ​Diameter Range: Φ5mm to Φ300mm (Custom Sizes Available)
• ​Surface Finish: Hot-Rolled, Cold-Drawn, Turned, or Polished (Ra≤1.6μm)
• ​Length: Cut-to-Size (1m-6m) or Random

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Mechanical Properties

• ​Tensile Strength: ≥480 MPa
• ​Yield Strength: ≥170 MPa
• ​Elongation: ≥35%
• ​Hardness: ≤75 HRB

​Key Advantages

✅ ​Exceptional Corrosion Resistance: Performs in seawater, hydrofluoric acid, sulfuric acid, and alkaline solutions.
✅ ​High Strength-to-Weight Ratio: Maintains integrity under high mechanical stress.
✅ ​Ease of Fabrication: Excellent weldability (TIG/MIG) and machinability with standard tooling.
✅ ​Thermal Stability: Suitable for temperatures up to ​535°C (1000°F).

​Applications

• ​Marine Engineering: Pump shafts, propeller shafts, seawater valves
• ​Chemical Processing: Reactor vessels, heat exchangers, acid storage tanks
• ​Oil & Gas: Wellhead components, downhole tools, sour gas equipment
• ​Power Generation: Feedwater heaters, boiler components
• ​Aerospace: Fuel and hydraulic system parts

Certifications

• ISO 9001:2015, NACE MR0175/MR0103 (Sour Service)
• PMI (Positive Material Identification) Verified
• Full Traceability with Mill Test Certificates (MTC)

Packaging & Logistics

• ​Rust-Proof Packaging: VCI film + wooden crates with edge protectors.
• ​Shipping: FOB/CIF/DAP terms; expedited air freight available.
• ​Lead Time: 15-25 days (standard), 30-45 days (custom sizes).

​Why Partner With Us?

🔹 ​Specialized Alloy Supplier: Over 20 years of expertise in nickel-copper alloy production.
🔹 ​Technical Support: Free machining guides and welding procedure specifications (WPS).
🔹 ​Quality Assurance: 100% dimensional checks, UT testing, and chemical analysis.
🔹 ​Global Reach: Trusted by Siemens, Chevron, and Schlumberger.