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zh Complete Guide to JIS Standard Foundry Pig Iron Grades
2025-04-29 17:20:37 hits：0
1. Technical Specifications of Mainstream Japanese Foundry Pig Iron (JIS G2202 Compliance)
1.1 Multi-Functional Grades
| Grade | Carbon (C)% | Silicon (Si)% | Manganese (Mn)% | Phosphorus (P) ppm | Sulfur (S) ppm | Titanium (Ti) ppm | Typical Applications |
|---|---|---|---|---|---|---|---|
| FGD-N | ≥3.40 | 0.60-1.00 | ≤0.30 | ≤100 | ≤50 | ≤65 | General machinery castings |
| FGD-1 | ≥3.40 | 1.01-1.80 | ≤0.30 | ≤100 | ≤40 | ≤65 | Automotive brake systems |
| FGD-2 | ≥3.40 | 1.81-2.20 | ≤0.30 | ≤100 | ≤40 | ≤65 | Hydraulic valve bodies |
| FGD-T | 3.75-4.20 | 3.00-3.60 | ≤0.30 | ≤100 | ≤40 | ≤70 | Heavy-section machine tools |
1.2 High-Purity Grades
| Grade | Carbon (C)% | Silicon (Si)% | Phosphorus (P) ppm | Sulfur (S) ppm | Chromium (Cr) ppm | Special Controls | Compliance Standards |
|---|---|---|---|---|---|---|---|
| DUCS-2X | 3.60-3.86 | ≤0.10 | ≤10 | ≤10 | ≤20 | As≤5, V≤5 | Nuclear component casting |
| DUCS-2Y | 3.87-4.04 | ≤0.10 | ≤10 | ≤10 | ≤20 | As≤5, V≤5 | High-speed rail components |
| DUCS-H2 | ≥3.60 | ≤0.30 | ≤30 | ≤25 | ≤25 | Ti≤5, V≤7 | Food-grade stainless castings |
| DUCS-HEX | ≥3.60 | 0.05-0.20 | ≤25 | ≤20 | ≤25 | Ultra-low N₂ (≤30ppm) | Marine propulsion systems |
2. Key Production Features of Japanese-Grade Pig Iron
Trace Element Control
Ti/V complex inclusions: ≤70μm²/mm² (ISO 4967)
Gas content: H₂≤2ppm, O₂≤20ppm
Physical Properties
Bulk density: 6.8-7.2g/cm³ (5kg ingot)
Anti-corrosion: Passes JIS Z 0303 salt spray test (240hrs)
Quality Traceability
Batch-specific records: furnace ID, heat number, spectrogram analysis
3. Tiegu Group's Supply Capabilities
As a JIS-certified Chinese supplier, we provide full compatibility with Japanese specifications:
✅ Comprehensive Grade Coverage
Full FGD series (N/1/2/3/4/T)
Complete DUCS series (2X/2Y/H2/HEX + 5 other grades)
✅ Certification Assurance
JISC factory certification (License: JQ-2202-2024)
✅ Customization Services
Adjustable Si/Mn ranges (±0.05%)
Special treatments available (e.g., RustEX coating)
✅ Logistics Advantages
Bonded warehouses in Tokyo/Osaka/Nagoya
MOQ 20MT (mixed-grade container loading supported)
Click to learn about Tiegu's pig iron supply
Technical Consultation & Sampling
E-mail：zbw@tiegu.net
Add.：19th Floor, Building 1, Jinnuode Technology Incubator, No. 1686 Xiyou Road, High tech Zone, Hefei City, Anhui Province, China
