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Cast Iron Parts: OEM Generator Components
Product Description
Our custom-made cast iron parts are designed specifically for agricultural grain machines, ensuring high strength and durability under heavy load conditions. The part shown in the image is made from high-quality grey iron HT250 and weighs 21.2kg, providing robust performance in various demanding environments.
Material Specifications of Cast Iron Parts
Grade | Casting thickness | Minimum tensile strength | Hardness HBW | Applications | |
Min | Max | ||||
HT200 | 2.5 | 220 | 157~236 | 170~220 | cylinders, gears, chassis, body, flywheel, rack, bushing, etc. |
10 | 195 | 148~222 | |||
20 | 170 | 134~200 | |||
HT250 | 4.0 | 270 | 175~262 | 190~240 | valve shell, oil cylinder, air cylinder, coupling, machine body, gear, gearbox housing, flywheel, bushing, cam bearing seat |
10 | 240 | 164~246 | |||
20 | 220 | 157~236 | |||
HT300 | 10 | 290 | 182~272 | 210~260 | gears, cams, shearing machines, high-pressure cylinders, hydraulic pumps, press bodies, etc. |
20 | 250 | 168~251 | |||
30 | 230 | 161~241 | |||
HT350 | 10 | 340 | 199~299 | 230~280 | |
20 | 290 | 182~272 | |||
30 | 260 | 171~257 | |||
Chemical Composition of Cast Iron Parts
Grade | Casting thickness | Chemical composition | ||||
C | Si | Mn | P | S | ||
HT200 | ＜15 15~30 30~50 | 3.2~3.6 3.1~3.5 3.0~3.4 | 1.9~2.2 1.8~2.1 1.5~1.8 | 0.6~0.9 0.7~0.9 0.8~1.0 | ＜0.15 | ≤0.12 |
＞50 | 3.0~3.2 | 1.4~1.7 | 0.8~1.0 | |||
HT250 | ＜15 15~30 30~50 ＞50 | 3.2~3.5 3.1~3.4 3.0~3.3 2.9~3.2 | 1.8~2.1 1.6~1.9 1.5~1.8 1.4~1.7 | 0.7~0.9 0.8~1.0 0.8~1.0 0.9~1.1 | ＜0.15 | ≤0.12 |
HT300 | ＜15 15~30 30~50 ＞50 | 3.1~3.4 3.0~3.3 2.9~3.2 2.8~3.1 | 1.5~1.8 1.4~1.7 1.4~1.7 1.3~1.6 | 0.8~1.0 0.9~1.1 0.8~1.0 1.0~1.2 | ＜0.15 | ≤0.12 |
Application of Cast Iron Parts
Our grey iron castings are extensively used in various parts, including but not limited to:
• Valve Shells
• Oil Cylinders
• Air Cylinders
• Couplings
• Machine Bodies
• Gearbox Shell
• Flywheels
• Bushings
• Cams
Manufacturing Equipment
Our workshop has sand cooler, sand mixer, automatic sand systems, automatic moulding lines, clay sand department, coated sand department, resin sand department, CNC lathe, CNC machining center, automatic grinding lines, polishing machines, etc.
Quality Control
To ensure that every product meets the highest standards, we use various testing equipment, including:
• C/S Detectors
• Spectrometers
• Metallographic Microscopes
• Brinell Hardness Testers
• Carbon Silicon Analyzers
• Moisture Detectors
• Air Permeability Detectors
Why Choose Our Cast Iron Parts?
1. High Strength and Durability: Made from HT250 material, ensuring stable performance under heavy load conditions.
2. Precise Chemical Composition Control: Guaranteeing consistency and high quality in every batch.
3. Wide Application Range: Suitable for various parts of grain machines, meeting diverse customer needs.
4. Advanced Manufacturing and Testing Facilities: Ensuring that our products meet the highest quality standards.
