Core Value Proposition
Defect-Prevention Ingot for Premium Castings
Specially formulated cast iron ingots with ultra-low residuals (S+P<0.015%) and controlled gas content, engineered to minimize casting defects in ductile iron, alloy steel, and precision investment casting applications.
Critical Specifications
|
Parameter |
Our Ingot |
Standard Ingot |
Benefit |
|
Purity |
99.92% Fe min |
99.6% Fe |
Fewer inclusions |
|
Sulfur (S) |
≤0.008% |
0.02-0.05% |
Improves nodularization |
|
Oxygen (O₂) |
≤50 ppm |
80-150 ppm |
Prevents pinholes |
|
Carbon (C) |
0.02-0.05% |
0.05-0.15% |
Precise alloy control |
|
Ingot Weight |
25kg/50kg/500kg |
Fixed 20kg |
Flexible charging |
Factory Capabilities
+ 100% induction furnace melting (No cupola contamination)
+ In-mold inoculation for uniform microstructure
+ Real-time OES analysis every 2 tons
+ ISO 9001 certified batch traceability
Application-Specific Advantages
- Ductile Iron Production：
S≤0.008% reduces Mg consumption by 15% → Cost saving $23/ton
- Investment Casting：
Low O₂ (<50ppm) eliminates ceramic shell reaction
- Alloy Steel Base：
Trace elements (Cr+Ni+Cu) <0.05% → Predictable hardenability
Q: How does low sulfur improve ductile iron quality?
A: S<80ppm enables tighter graphite nodule distribution (Type I ≥90%), increasing elongation by 18% vs. standard ingots.
Q: Do you supply ingots for vacuum induction melting?
A: VIM-grade available with O₂≤30ppm & H₂≤1.5ppm. Includes certified vacuum weight loss report.
Q: What packaging prevents surface oxidation?
A: VCI paper wrapping + desiccant in sealed pallets. Guaranteed rust-free for 12 months in RH<60% storage.
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