China High Quality Forged AISI4340 Roll Manufacturer – Forging Roll – Rongli Forging Detail:
Introduction
Rongli Forging Co., Limited is capable to supply rolls for steel rolling mill. Our custom-manufactured rolls emphasize in quality and that is what has been supporting us selling thousands of rolls to all over the world over decades, for industries of steel making, heavy industry machinery, metallurgy, etc.
Material
C | Si | Mn | Cr | Ni | Mo | V | P | S | |
9Cr2Mo | 0.85-0.95 | 0.25-0.45 | 0.20-0.40 | 1.70-2.10 | ≤0.30 | 0.20-0.40 | ≤0.030 | ≤0.030 | |
9Cr3Mo | 0.85-0.95 | 0.25-0.45 | 0.20-0.35 | 3.00-3.50 | ≤0.30 | 0.20-0.30 | ≤0.030 | ≤0.030 | |
MC3 | 0.82-0.90 | 0.60-0.90 | 0.20-0.45 | 2.80-3.20 | 0.60-0.80 | 0.40-0.60 | 0.05-0.15 | ≤0.020 | ≤0.015 |
MC5 | 0.80-0.90 | 0.30-0.55 | 0.20-0.50 | 4.80-5.40 | 0.30-0.50 | 0.20-0.40 | 0.05-0.12 | ≤0.020 | ≤0.015 |
70Cr3NiMo | 0.58-0.70 | 0.40-0.70 | 0.40-0.70 | 2.60-3.40 | 0.50-1.00 | 0.60-0.80 | 0.05-0.15 | ≤0.020 | ≤0.015 |
70Cr3Mo | 0.60-0.75 | 0.40-0.70 | 0.50-0.90 | 2.80-3.50 | ≤0.60 | 0.25-0.60 | ≤0.025 | ≤0.025 | |
60CrMnMo | 0.55-0.65 | 0.25-0.40 | 0.70-1.00 | 0.80-1.20 | 0.20-0.30 | ||||
Any other material grade as per customer’s requirement |
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. Diameter: Up to 20 meters for forging
6. Delivery Status: Heat treated and rough machined
7. Industries: heavy industry machinery, 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 ISO9001-200
Product detail pictures:

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To become the stage of realizing dreams of our employees! To build a happier, more united and extra professional workforce! To reach a mutual advantage of our prospects, suppliers, the society and ourselves for China High Quality Forged AISI4340 Roll Manufacturer – Forging Roll – Rongli Forging, The product will supply to all over the world, such as: Melbourne, Ukraine, Ethiopia, We follow up the career and aspiration of our elder generation, and we are eager to open up a new prospect in this field, We insist on "Integrity, Profession, Win-win Cooperation", because we have a strong backup, that are excellent partners with advanced manufacturing lines, abundant technical strength, standard inspection system and good production capacity.

High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
