| Customization: | Available |
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| Processing Object: | Metal |
| Molding Style: | Forging |
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Suppliers with verified business licenses
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Free Forging and Open Die Forging factory for 30 years.
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We produce and supply forged shaft blanks, forged step shafts blanks, forged flanged shaft blanks in carbon steel, alloy steel. These forged shaft blanks can be made up of carbon steel, and alloy steel. Like 40Cr steel, 40CrMo steel, etc. We can provide the heat treatment and rough machining service according to your requirement, This can help you to reduce your machining time and machining cost.
Industrial Uses for Custom Forged Discs, Rounds, & Cylinder Sleeves
Many industries utilize forged steel sleeves, rounds, and discs for industrial applications. They are often used by power generation and power transmission industries in blind flanges, tube sheets, and gears. At Great Lakes Forge, we work with customers in nearly every industrial sector. We provide our customers with the metal resources and custom-forged products required for various industrial applications. Industries we serve include:
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Product Name
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Round Forging Bar
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Material
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Alloy Steel, Carbon Steel, SS
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Service
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Raw Material, Forging, Hot Treatment, CNC Machining
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Size
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OD 500-5000mm, Thickness >50mm
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Tolerance
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±0.1mm
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MOQ
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10 Tons
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Application
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Machinery Parts, Wind Power, Areospacecraft, heaby duty equipment
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Surface Treatment
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Electroplate, Paint Spraying, Abrazine
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Packing
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Carton Box
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Quality Control
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100% Inspected /ISO9001 System
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| aterial | 40CrMnMo 4140,4330,18CrNiMo7-6,4340 |
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Forging equipment |
6000T open die hydropress |
| Application |
Electrical equipment,metallurgy,mine,press machine |
| Melting process | EF+LF+VD |
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Production process |
Forging+heat treatment+rough machining+QT |
| Forging ratio |
≥4 |
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Applicable standard |
ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
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Executive standard |
JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
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Certification authority |
ISO9001:2008,BV,SGS,IST,UL.CTI |
| Delivery term |
Rough machining(N+T);QT |
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Test equipments |
Spectrograph,UT device,tensile and compact test machine,metalloscope,outside micrometer,bore dial indicator,hardness test machine |
| Service |
Our service included the forging, process, heat treatment, finish machining, package, local logistics, customers clearance and maritime transport. We took the customer's requirements as the principal thing, and pay attention on the products quality. |
Custom properties:
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Material elements |
C | Si | Mn | P | S | Cr | Ni | Mo |
Others |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.60-0.90 | ≤0.035 | ≤0.040 | 0.80-1.10 | -- | 0.15-0.25 | - |
| 4330 | 0.28-0.33 | 0.10-0.35 | 0.85-1.15 | ≤0.020 | ≤0.020 | 0.80-1.10 | 1.10-1.40 | 0.35-0.55 | - |
| 18CrNiMo7-6 | 0.15-0.21 | 0.17-0.35 | 0.50-0.90 | ≤0.025 | ≤0.025 | 1.50-1.80 | 1.40-1.70 | 0.25-0.35 | |
| 4340 | 0.38-0.43 | 0.15-0.35 | 0.60-0.80 | ≤0.035 | ≤0.040 | 0.70-0.90 | 1.65-2.00 | 0.20-0.30 | - |
| 40CrMnMo | 0.37-0.45 | 0.20-0.40 | 0.90-1.20 | ≤0.040 | ≤0.040 | 0.90-1.20 | -- | Mo:0.2-0.3 | |
| 420J2 | 0.26-0.35 | ≤1.00 | ≤1.00 | ≤0.030 | ≤0.035 | 12.0~14.0 | ≤ 0.60 | -- |
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Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 4140 | Ø15 | 740~1000 | 450~850 | ≥12 | ≥25 | V | ≥40 | ≤250HBS |
| 4330 | Ø10 | ≥1000 | ≥740 | ≥12 | ≥25 | V | ≥42 | -- |
| 18CrNiMo7-6 | Ø15 | ≥980 | ≥785 | ≥9 | ≥40 | V | ≥47 | ≤269HBS |
| 4340 | Ø15 | ≥980 | ≥835 | ≥12 | ≥55 | V | ≥78 | ≤179HBS |
| 40CrMnMo | Ø15 | ≥980 | ≥785 | ≥10 | ≥45 | V | ≥63 | ≥217HBS |
| 420J2 | Ø15 | 800-950 | ≥600 | ≥14 | -- | V | ≥20 | ≥290HBS |
Flanged shafts, flange shafts and forged step shafts are used in a wide variety of industries including oil and gas exploration, machinery, gear manufacturing, aircraft and aerospace, energy and power generation, defense, automotive, heavy industrial, manufacturing, general metalworking, petroleum and chemical, mining, engine and turbine, ship building, construction, fabricated metal, pulp and paper, and food processing.
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