C-276 Nick Alloy Bar Stock

​Product Overview

C-276 bar stock is a nickel-molybdenum-chromium superalloy renowned for its exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Compliant with ​ASTM B574, ​ASME SB574, and ​NACE MR0175 standards, it is the go-to material for chemical processing, pollution control, marine engineering, and oil & gas applications exposed to aggressive media like hydrochloric acid, chlorine, and seawater.

​Product Specifications

​Material & Processing

• Composition: Nickel (Ni ~57%), Molybdenum (Mo 15-17%), Chromium (Cr 14.5-16.5%), Iron (Fe 4-7%)
• Standards: ASTM B574, ASME SB574, DIN 17744
• Forms: Hot-Rolled, Cold-Drawn, or Forged Bars
• Surface Finish: Turned, Polished (Ra≤0.8μm), Pickled & Passivated

​Dimensions & Tolerances

• Diameter Range: Φ5mm to Φ250mm (Custom Sizes Available)
• Length: Cut-to-Size (1m-6m) or Random
• Straightness: ≤0.5mm/m (Cold-Drawn)

​

Mechanical Properties

• Tensile Strength: ≥690 MPa
• Yield Strength: ≥283 MPa
• Elongation: ≥40%
• Hardness: ≤100 HRB

​

Key Advantages

✅ ​Extreme Corrosion Resistance: Withstands hydrochloric, sulfuric, and acetic acids, wet chlorine, and hypochlorite solutions.
✅ ​Thermal Stability: Performs in temperatures from -196°C to 400°C.
✅ ​Fabrication-Friendly: Excellent weldability (AWS A5.14 ERNiMo-7) and machinability with proper tooling.
✅ ​Long-Term Reliability: Resists intergranular attack in welded conditions (Low Carbon Content).

Applications

• ​Chemical Processing: Reactor agitators, acid storage tanks, scrubbers
• ​Pollution Control: Flue gas desulfurization (FGD) systems, waste incinerators
• ​Oil & Gas: Sour gas pipelines, offshore platform components
• ​Pharmaceutical: HCl/HF handling equipment, CIP/SIP systems
• ​Marine Engineering: Seawater heat exchangers, ballast water treatment

Certifications

• ISO 9001:2015, NACE MR0175/MR0103, PED 2014/68/EU
• 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; hazardous material-certified for acid-resistant alloys.
• ​Lead Time: 20-30 days (standard), 45-60 days (custom sizes/heat treatment).

Why Choose TOKO TECH?

🔹 ​Specialized Manufacturer: Proprietary hot/cold working processes for optimal grain structure.
🔹 ​Technical Support: Free corrosion resistance guides and welding procedure specifications (WPS).
🔹 ​Quality Assurance: 100% UT testing, chemical analysis, and dimensional inspection.
🔹 ​Global Track Record: Trusted by BASF, Dow Chemical, and Shell.