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 bushing

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
 		 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
Name: Forged sae4140 sae4130 steel sleeve bushing

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
 		 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 GM Harmonic Balancer

Gm Harmonic Balancer,Gm 5.3 Harmonic Balancer Puller,Gm Harmonic Balancer Puller,5.3 Harmonic Balancer Puller

Ningbo Maixun International Trade Co., Ltd , https://www.maixuncarparts.com

September 17, 2023
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