ER 312
ER 312
ER 312
ER 312

ER 312

Price 200.0 INR/ Kilograms

MOQ : 15 Kilograms

ER 312 Specification

  • Welding
  • Flux-Cored
  • Application
  • WELDING
  • Type
  • SAW WIRE
  • Condition
  • New
  • Material
  • STAINLESS STEEL
  • Color
  • SILVER
 

ER 312 Trade Information

  • Minimum Order Quantity
  • 15 Kilograms
  • Delivery Time
  • 3 Days
  • Packaging Details
  • SPOOL
  • Main Domestic Market
  • All India
 

About ER 312

ER 312 is a high-ferrite stainless steel filler metal (like a wire or rod) known for exceptional crack resistance, used primarily for welding dissimilar metals (e.g., stainless to carbon/alloy steels), repairing tools/dies, and joining high-strength steels, creating a strong, ductile, two-phase weld deposit resistant to cracking. 
Key Characteristics & Uses:
  • Dissimilar Metals: Ideal for joining stainless steels to carbon steels or high-nickel alloys, bridging the gap between different metal types.
  • Crack Resistance: Its high ferrite content (around 30%) in an austenitic matrix provides excellent resistance to hot cracking and fissures.
  • High Strength & Wear: Offers high tensile strength and good wear resistance, making it suitable for demanding applications.
  • Applications: Welding cast alloys, armor plate, leaf/coil springs, gears, forged shafts, earth-moving equipment, and general repair.
  • Limitations: Generally recommended for service temperatures below 420C (790F) to prevent embrittlement from forming a brittle phase.
  • Welding Processes: Used for GTAW (TIG) and GMAW (MIG). 
Typical Composition (Approximate):
  • Chromium (Cr): 28-32% (Provides corrosion resistance)
  • Nickel (Ni): 8-10.5% (Helps achieve the two-phase structure)
  • Silicon (Si): 0.3-0.65%
  • Manganese (Mn): 1.0-2.5%
  • Carbon (C): Max 0.15% 
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