Introduction
Rongli Forging Co., Limited is able to supply forged & machined shaft up to 20 meters (66 feet) in length and 70 tons (44,000 lbs.) in weight. A variety of material grades to different standards are in practice here in our modernized shop. Our highly-spoken shafts are exported to North America, Europe, Australia, South Africa, in industries of Shipbuilding, wind power generation, mine & metal processing, heavy industry machinery, metallurgy, etc.
Material
| Standard | |||||
| North America | Germany | Britain | ISO | EN | China |
| AISI/SAE | DIN | BS | GB | ||
| 304 | X5CrNi18-10 | 304S15 | X5CrNi18-10 | X5CrNi18-10 | 0Cr19Ni9 |
| 316 | X5CrNiMo17-12-2 | 316S16 | X5CrNiMo17-12-2 | X5CrNiMo17-12-2 | 0Cr17Ni12Mo2 |
| X5CrNiMo17-13-3 | 316S31 | X5CrNiMo17-13-3 | X5CrNiMo17-13-3 | X5CrNiMo17-13-3 | |
| 1020 | C22E | C22E | 20 | ||
| 1035 | C35E | C35E | C35E4 | 35 | |
| 1040 | C40E | C40E | C40E4 | 40 | |
| 1045 | C45E | C45E | C45E4 | 45 | |
| 4130 | 30CrMoA | ||||
| 4140 | 42CrMo4 | 708M40 | 42CrMo4 | 42CrMo4 | 42CrMo |
| 4330 | 30CrNiMo | ||||
| 4340 | 36CrNiMo4 | 816M40 | 40CrNiMo | ||
| 50B | E355C | S355JR | Q345 | ||
| 4317 | 17CrNiMo6 | 820A16 | 18CrNiMo7 | 18CrNiMo7-6 | 17Cr2Ni2Mo |
| 17CrNiMo7 | |||||
| 30CrNiMo8 | 823M30 | 30CrNiMo8 | 30CrNiMo8 | 30Cr2Ni2Mo | |
| 34CrNiMo6 | 817M40 | 34CrNiMo6 | 36CrNiMo6 | 34CrNiMo | |
| Any other material grade as per customer’s require | |||||
Forging method: Open die forging / free forging
1. Material: Carbon steel, alloy steel, stainless steel
2. Material standard: DIN/ ASTM/AISI/ASME/BS/EN/JIS/ISO
3. Mechanical properties: According to customer requirement or standard.
4. Weight: Up to 70 Tons of finished forging. 90 Tons for ingot
5. Length: Up to 20 meters for forging
6. Delivery Status: Heat treated and rough machined
7. Industries: Shipbuilding, power generation, mine & metal processing, heavy industry machinery, metallurgy, etc.
8. Inspection: Chemical analysis with spectrometer, Tensile test, Charpy test, Hardness Test, Metallurgy test, Ultrasonic test, Magnetic Particle test, Liquid Penetration test, Hydro test, Radiographic test are implementable.
9. Quality Assurance: Per ISO9001-2008