Place of Origin: | Jiangsu |
Brand Name: | Golden |
Certification: | ISO9001,UL,CE |
Model Number: | Customized |
Minimum Order Quantity: | 1 pc |
---|---|
Price: | 30Usd to 3000Usd |
Packaging Details: | Box Or Wooden Package |
Delivery Time: | 7-25 working days |
Payment Terms: | L/C, T/T, Paypal |
Supply Ability: | 3000 tons/month |
Rings Type: | Steel Seamless Ring | Cert: | ISO CE |
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Process: | Forging Ring | Material: | Ss316 Aisi4140 |
High Light: | SAE4140 Forged Steel Rings,3000mm Forged Steel Rings,SAE4340 Stainless Steel Band Rings |
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 |
Contact Person: Allen.W.
Tel: +8613621523596
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