| Description: | |
| Casting Material: | Austempered Ductile Iron, ADI 1200 / QTD 1200-3 / JS 1200-3 / EN-GJS 1200-3 / FCAD-1200-2 / ASTM A 897/M-16 1200-4 |
| Design Software: | CAD, PRO/E, SolidWorks, UG |
| Casting Process: | Sand Coated Casting, Lost Foam Casting, Investment Casting |
| Heat Treatment: | Austempering |
| Machining: | Casting+CNC Machining |
| Surface Finishing: | Shot Blasting, Galvanized/Hot Dip Galvanized, Powder Coated, Spray Painting |
| Package: | Fumigation-Free Pallet or Wooden Case |
Q1. How do I Confirm Compatibility?
Send us the OEM part number or a sample; we’ll issue a comparison report within 24 h.
Q2. What is the MOQ?
Standard models 10 pcs; custom models 30 pcs.If you have special requirements, please contact us.
SMEMACH is a professional high-end custom metal parts manufacturer. We use advanced processes such as casting, forging, welding and CNC machining to provide customized products and comprehensive technical solutions according to your design specifications.
Regarding ADI (Austempered Ductile Iron) technology, we have been researching for decades, combined with practical experience, and our products have been well received by customers. Our products are exported to Europe, America, Southeast Asia and other countries and regions. Contact us now to discuss your needs.
| Property | Value / Requirement | Unit | Remarks |
|---|---|---|---|
| Tensile strength Rm | ≥ 1200 | MPa | Mill test 1200-1320 |
| Yield strength Rp0.2 | ≥ 900 | MPa | +50 MPa vs 2020 edition |
| Elongation after fracture A | ≥ 5 | % | Min. for grade ADI1200-5 |
| Brinell hardness HBW | 340-410 | - | Guidance, wall ≤30 mm |
| Impact energy KV (un-notched, room temp.) | ≥ 55 | J | Mill test 55-75 |
| Rotating-bending fatigue limit σw | 560-660 | MPa | ~12 % above ADI 1050 |
| Contact fatigue limit σH | 2 000-2 400 | MPa | Above carburized low-alloy steel |
| Modulus of elasticity E | ≈ 169 | GPa | Same as lower grades |
| Density ρ | 7.1 | g·cm⁻³ | ~10 % lighter than steel |
| Graphite nodularity | ≥ 85 | % | GB/T 24733-2023 requirement |
| Graphite count | ≥ 100 | pcs/mm² | Same as above |
| Matrix structure | Ausferrite + trace carbides | - | Other phases <5 % |
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