Model NO.: forged sae8620 steel bushing
Surface Treatment: Polishing
Forging Tolerance: +/-0.1mm
Standard: ASME
Certification: ISO 9001:2000, ISO 9001:2008
Technology: Forging
Cert: ISO9001
Process: Forging + Maching
Delivery: About 25days
Trademark: GD
Transport Package: Wooden Box or Steel Pallet
Specification: various dimmension
Origin: China
HS Code: 728318
Model NO.: forged sae8620 steel bushing
Surface Treatment: Polishing
Forging Tolerance: +/-0.1mm
Standard: ASME
Certification: ISO 9001:2000, ISO 9001:2008
Technology: Forging
Cert: ISO9001
Process: Forging + Maching
Delivery: About 25days
Trademark: GD
Transport Package: Wooden Box or Steel Pallet
Specification: various dimmension
Origin: China
HS Code: 728318
Name: Forged sae4140 sae4130 steel sleeve bushingSpecification:
1: Name: General forging steel flange
2: Certificates: ISO9001-2008, SGS, PED
3: Products ability: 3000 ton/month
4: Surface: Polishing or per customer's requirement
5: Proces: Hot forging
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
Wind Turbine Shaft | 42CrMo4, 34CrNiMo6 |
Marine Shaft | C-Mn steel |
Hydro Turbine Shaft | 20SiMn |
Roller Shaft | 70Cr3Mo; 9Cr2Mo; MC1; MC2; MC3 |
Gear Shaft | 17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo; 47CrNiMo6, 20CrMnMo |
Gear | 17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo; 47CrNiMo6, 20CrMnMo, 30 CrNiMo6 |
Pressure Vessel Forgings | SA105, SA350 LF2, 16Mn, 20MnMo, 15MnMo, 12Cr2Mo1, 14Cr1Mo, 42CrMo, F304, F316, 17-4PH, 4330, 4336, 4340 |
Ring Rolling | 16Mn, 50Mn, 42CrMo, 15MnV, 35CrMo, A105, 20#, 304, 304L, 316, 316L |
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 Â |
Steel material  inspection |
 |
Chemical composition (EF+LF+VD) |
Material standard |
 | surface |
Ingot inspection specification |
||
 | Ingot type and weight | Material standard | ||
02 Â |
Material store |
 | Division put | warehouse management |
1 Â |
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 | UTÂ 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 | UTÂ equipment |
Single defect, concentrated Defects bottom wave attenuation |
UT standard or customer's technical requirements |
14 ↓ |
MT | MTÂ 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 |
Specification:
1: Name: General forging steel flange
2: Certificates: ISO9001-2008, SGS, PED
3: Products ability: 3000 ton/month
4: Surface: Polishing or per customer's requirement
5: Proces: Hot forging
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
Wind Turbine Shaft | 42CrMo4, 34CrNiMo6 |
Marine Shaft | C-Mn steel |
Hydro Turbine Shaft | 20SiMn |
Roller Shaft | 70Cr3Mo; 9Cr2Mo; MC1; MC2; MC3 |
Gear Shaft | 17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo; 47CrNiMo6, 20CrMnMo |
Gear | 17CrNiMo6; 18CrNiMo7-6; 20CrNi2Mo; 42CrMo; 47CrNiMo6, 20CrMnMo, 30 CrNiMo6 |
Pressure Vessel Forgings | SA105, SA350 LF2, 16Mn, 20MnMo, 15MnMo, 12Cr2Mo1, 14Cr1Mo, 42CrMo, F304, F316, 17-4PH, 4330, 4336, 4340 |
Ring Rolling | 16Mn, 50Mn, 42CrMo, 15MnV, 35CrMo, A105, 20#, 304, 304L, 316, 316L |
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 Â |
Steel material  inspection |
 |
Chemical composition (EF+LF+VD) |
Material standard |
 | surface |
Ingot inspection specification |
||
 | Ingot type and weight | Material standard | ||
02 Â |
Material store |
 | Division put | warehouse management |
1 Â |
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 In strict accordance with ISO 9001:20015 and GB/HG Flanges; Gb Flanges,Hg Flanges,High Quality Gb Flanges,High Quality Hg Flanges Shanxi Tianbao Group Co.,Ltd. , https://www.tbflange.com |