Jiangyin Golden Machinery Equipment Co , Ltd
Jiangyin Golden Machinery Equipment Co , Ltd
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316L 304L Stainless Forged Steel Roller Ring, 4140 4340 Steel Seamless Rings Forging
We are the leading manufacturer of heavy forging steel parts, our business is custom fabrication forging by customer's drawings and technical requirements. We are the member of " Confederation of Chinese Metal forming Industry".
Forging products mainly including: forged steel seamless ring or steel hot rolled ring, Forged Roller,Forged Bar, Forged Hollow Bar,Forged Round Disc, Forged Shaft, Forged Module, Pipe Die Forging, Forged Stabilizer,etc
We are able to provide complete machining services such as boring, milling, turning, grinding,welding and fabrication.Usually we make it according to your drawing or requirements.
Process: EAF + LF + VD + Forging + Heat Treatment (optional)
Delivery Condition: Hot forging +Rough machining (black surface after Q/T)+ Turning(optional)
Technical Data: Chemical Compositions, Physical Properties and Mechanical Testing.
Test: Ultrasonic test according to SEP 1921-84 3C/c.
Standard: GB, AISI, ASTM, DIN, JIS, BS, etc.
Quality Management Certification: ISO 9001:2008, CE , PUV
Materials:
According to customers' demands,we are available of stainless steel, carbon steel, alloy steel, alloy tool steel, AISI316L, AISI304L, 1.4432, 1.4462, 1.4301, 1.4404, F51, 25CrMo4, 42CrMo4, 16MnCr5, Ck45, P280GH, 40Cr, 17CrNiMo6, 34CrNiMo6, ST52-3, S355J2G3, S355JR ,40CrNiMo, Sae8620 etc.
Manufacturing way: Roll forged, rough turned, heat treated, CNC turned, milled, drilled, threaded, grinded.
Heat treatment:Annealing, Normalizing, Quenching+Tempering(Q+T), Hardening, etc.
Size: From 50mm to 5,000mm.
Weight: From 50kg/pc to 10,000kg/pc.
| Item | Process | Facility |
Inspection items
| Standard |
01 | Steel material inspection | Chemical composition (EF+LF+VD) | Material standard | |
| surface | Ingot inspection specification | |||
| Ingot type and weight | Material standard | |||
| 02 | Material store | Division put | warehouse management | |
| 1 | Heat | Heat furnace | Temperature/Time | Heating process specification Forging production procedure |
| 2 ↓ | Forging | Press | Reduction ratio,forging temperature,deformation, Surface and dimensions | Forging process card Forging procedure |
| 3 ↓ | Heat treatment | heat treatment furnace | heat treatment charts | 1st heat-treatment card Forging procedure |
| 4 ↓ | Rough inspection | Dimensions, apperance, Mark | Inspection specification Forging procedure | |
| 5 ↓ | Rough UT | UT equipment | Single defect, concentrated Defects bottom wave attenuation | UT standard or customer's technical requirements |
| 6 ↓ | Saw cutting | Saw machine | Dimension | IQC and forging |
| 7 ↓ | rough turning | turning-lathe | Dimension,appearance | Rough machining drawing |
| 8 ↓ | UT | UT equipment | Single defect, concentrated defects bottom wave attenuation | UT standard or customer's technical requirements |
| 9 ↓ | Q+T heat treatment | heat treatment furnace | heat treatment charts | Heating process specification |
| 10 ↓ | Sampling or machining | machining tool | rough machining drawing sampling drawing | sample machining drawing |
| 11 ↓ | mechanical property test | tensile testing machine/ impact testing machine | ambient temperature,humidity, Test temp.Sample dimension, test method | Standard technical specification |
| 12 ↓ | finish machining | machining tool | Dimension,appearance | finish machining drawing |
| 13 ↓ | UT | UT equipment | Single defect, concentrated Defects bottom wave attenuation | UT standard or customer's technical requirements |
| 14 ↓ | MT | MT equipment | Magnetic particle indication | Test standard or Technical requirements |
| 15 ↓ | Mark | Steel seal | marking content | Product standard Technical requirements Forging process |
| 16 ↓ | Final inspection | Appearance, dimension, mark acceptance inspection | Product inspection specification Product standard P.O. | |
| 17 | Protection/ package | Blasting Blasting equipment | appearance coating thickness | Product standard Technical requirements |
Quality Control:
1: On line inspection, we perform 100% on line inspection during production not to release any problem during production.
2: 100% inspection on each finished products.
3: Customer's own inspection.
4: Third party inspection.
5: UT( Ultrasonic Testing), MT, X-ray test, Spectrometer, Tensile strength, Impact test machine, Hardness tester
Superiority
1. We had already passed the authentification by the ISO9001-2008, and established a completed set of quality assurance system.
2. Under such a complete set of quality assurance systems, there is a complete set of regulations for ordering, order handling, quality design, purchasing raw materials, working out production plan, production, test and inspection, packaging, storage, delivering, etc.
3. We also have a complete set of equipment and techniques for testing and controlling the performance of the forging products, which ensures
Forging Process and Inspection
Packing and Delivery