Jiangyin Golden Machinery Equipment Co , Ltd
Jiangyin Golden Machinery Equipment Co , Ltd
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Name:Forging AISI4140 Sae4340 OD3000mm Seamless Steel Rings, Hot rolled steel ring
Specification
1: Forging steel ring, Seamless rolled steel ring
2: Materials: Carbon, stainless and alloy steel
3: Measurement: Per customer's drawing
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
| Name | forged sae4140 sae4340 steel sealing ring hot rolled steel seamless ring |
| Grade | Gr1,Gr2,Gr5,Gr7,Gr9,etc. |
| Thickness | Outer diameter: 50mm~3000mm Inside diameter: 30mm~2500mm Thickness: 10mm~1000mm Or as customers' requirements |
| Standard | ASTM B348/381/338,AMS 4928,ASME SB381,etc. |
| MOQ. | 1pc |
| Feature | 1.Compressive strength, high temperature resistance 2.small density, high melting point, strong corrosion resistance, 3.high strength, good plasticity. 4.Forging with heat-treatment 5.100% ultrasonic flaw detection |
| Applications | 1. Medical and all kinds of precision parts and other industries 2.Chemical processing, medical instruments, machinery and equipment, etc. |
| Shipment | By sea or by air.( DHL, UPS, FedEx. Others ways.) |
| Load port | Shanghai Guangzhou and China main ports |
| Packing box | wooden case or as customers' requirements |
| Payment | 1. T/T, L/C, Western union 2.Prepaid 30% T/T against PI, pay for balance before delivery |
| Delivery time | 3 to 25 days after confirmed |
| The specification would be changed by the customers' requirements. | |
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 our product quality to take a leading position among the products in domestic market and reach the international standard.
| 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 |