Base Frame Steel Casting- It typically features highly complex structures, high strength, and machining with strict dimensional correlation.
Leesh has extensive experience in producing similar castings and can provide in-house machining within our group. This enables us to achieve true one-stop manufacturing, delivering reliable, high-quality castings with consistent quality and convenience for our customers.
Low Alloy High Strength Structure Steel(HSLA，Genernal Structure Casting, Mounting Base Casting, Support Bracket Casting)
| Strength | 欧盟 EN | 美国 ASTM | 日本 JIS | 德国 DIN | 中国 GB | Core Features | Typical Application |
|---|---|---|---|---|---|---|---|
| Low（≈235MPa） | S235JR/J0/J2 | A36 | SS400 | St37-2 | Q235B | General carbon structural steel, good weldability | Base Frame Steel Casting |
| Medium （≈345MPa） | S355JR/J2/N | A572 Gr.50 A992 | SM490YA | St52-3 | Q345D | High strength, high toughness, excellent weldability | Base Frame Steel Casting |
| Medium-High（≈460MPa） | S460N/M | A572 Gr.65 | SM570 | — | Q460E | Ultra-high strength, good low-temperature toughness | Base Frame Steel Casting |
| High（≈690MPa） | S690QL/Q | A514 Gr.Q | — | — | Q690D | Quenched and tempered high-strength steel |
| Manufacturing Method | Sand Casting(Resin Sand, Pre-Coated Sand, Clay Sand, Water glass sand, Green Sand,lost foam ) |
| Material Standard | GB, ANSI, BS, DIN, JIS, ASTM, ASME, AISI, etc carbon steel, low carbon steel, middle carbon steel, G35, G45, WCB, WCA, WCC, ISO 340-550, etc. Alloy Carbon steel: G25CrMo4, Heat Resistant Steel, etc. Stainless Steel: SUS 304, 304L, 316, 316L, CF8, CF8M, G-X7CrNiNb1189, etc. AS2074 or according to customer specific requirement. Ductile Iron:A536-Gr.60-40-18,GGG40,GGG50,FCD40,FCD50,Gr370-17,Gr420-12,etc Grey Iron:A48-No.20,25,30,GG10,GG15,GG20,FC10,FC15,FC20,Grade 150,180,220,FGL150,FGL200,FGL250,etc |
| Weight Range | 1 kg to 100 Tons |
| General Casting Tolerance | CT8-CT12 |
| Design Software | UG, Pro-E, Inventor |
| Dwg Format | STP, STEP, IGS,STP,X_T ,DXF,DWG , Pro/E, PDF, SLDPRT |
| Mould Manufacturing | Yes |
| Casting Stimulation | Yes |
| Ultimate machining tolerance | 0.005mm |
| Quality Control | RT,UT,MT,PT,CMM,SCAN,Chemical and Mechanical Property Testing,Spectrometer,etc |
| Finish Roughness | Ra12.5-Ra25 according to customer requirement |
| Logo/ID | Silk-screening, Laser Marking, Engrave,Painting |
| Heat Treatment | Normalization, Annealing, Quenching and Tempering, Case Hardening, Nitriding, Carbon Nitriding, Induction Quenching,etc |
| Surface Treatment | Shot/sand blast, Polishing, Surface Passivation, Painting , Anodizing,Powder coating, ED- Coating, Chrome Plating, zinc-plate, Dacromat coating, Finish Painting,hot-dip galvanizing, etc |
