Introduction
Rongli Forging Co., Limited is able to supply forged & machined horizontal and vertical hydraulic cylinder barrels up to 2.7 meters (8.9 feet) in length as one single piece. A specialised Automatic Welding System takes place when necessary. A variety of material grades to different standards are in practice here in our modernized shop. Our highly-spoken cylinder barrels are used on forging presses, vertical hydraulic presses, and horizontal hydraulic presses. They are delivered to all over the world, in industries of Heavy Equipment & Machinery, Oil & Gas, Mine & Metal Processing, Construction etc.
Material
| Standard | |||||
| North America | Germany | Britain | ISO | EN | China |
| AISI/SAE | DIN | BS | GB | ||
| Cylinder Barrel (Forging) | |||||
| 1035 | C35E | C35E | C35E4 | 35 | |
| 1040 | C40E | C40E | C40E4 | 40 | |
| 1045 | C45E | C45E | C45E4 | 45 | |
| 20Mn5 | 20SiMn | ||||
| 4135 | 35CrMo | ||||
| 34CrNiMo6 | 817M40 | 34CrNiMo6 | 36CrNiMo6 | 34CrNiMo | |
| Any other material grade as per customer’s require | |||||
| Plunger (Forging) | |||||
| 1035 | C35E | C35E | C35E4 | 35 | |
| Plunger surfaces can be hardened with overlay welding of 2Cr13 to 45-50 HRC | |||||
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 2.7 meters (8.9 feet) w/o welding connection. Welding is available to fabricate longer cylinder barrels
6. Delivery Status: Heat treated and rough machined
7. Industries: Oil and Gas, Mine & Metal processing, Heavy Industry Machinery, Construction, 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
