Gold Member Since 2012
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Jiangyin Golden Machinery Equipment Co., Ltd.

Alloy Steel Special Forging Part, 4140 Special Forging, Forging 4140 Precision Forging manufacturer / supplier in China, offering 4140 Alloy Steel Special Forging Part, SAE4140 Forged Steel Gear Shaft Q+T, SAE1045 C45n Cold Rolled Polished Steel Pipe and so on.

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4140 Alloy Steel Special Forging Part

Purchase Qty.:
(Pieces)
1-4 5+
FOB Unit Price: US $8 US $30
Purchase Qty. (Pieces) FOB Unit Price
1-4 US $8
5+ US $30
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Port: Shanghai, China
Production Capacity: 50000tons/Year
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: 4140 special forging part
  • Casting Form Material: Metal
  • Casting Form Usage Count: Semi-permanent
  • Surface Roughness: Ra1.6
  • Machining Tolerance: +/-0.15mm
  • Certification: ISO 9001:2008
  • Name: 4140 Forging Special Part
  • Certificates: ISO
  • Transport Package: as Per Client′s Require
  • Origin: Jiangsu
  • Casting Method: Special Casting
  • Casting Metal: Cast Steel
  • Surface Treatment: Polishing
  • Coating: Zinc oxide
  • Standard: ASTM
  • Size: 1/2′′ to 500′′
  • Technology: Forged
  • Trademark: forging sae4140 steel special part
  • Specification: alloy steel forging special parts
  • HS Code: 73269090
Product Description
Name: OEM 4140 1045 forging alloy steel special parts
Company profile
We are the manufacturer specialized in machining heavy duty forging parts for nearly 18 years.Our products, such as drive shaft, Forging Hollow Shaft, Shaft Sleeve, Eccentric shaft, Forging rod, Large bolt, Heavy Duty Hydraulic Cylinder, are widely used in coiled material, petroleum, metallurgy, mine, machinery and transportation industry. etc.
Packaging & Delivery
Packaging Details:Export standard package or according to customer requirement
Delivery Detail:30~60days according to various quantity
Product List
NameTechniqueMaterialDia/mmWall thicknessLength/mm
Forging shaftForging+turning+grindingalloy steel
carbon steel
stainless steel



 
200-800----500-20000
Hollow shaftForging+drilling+turning150-800≥15mm≤17000
Shaft sleeveForge+drill & bore+turning +milling400-700≥15mm≤18000
Large boltRolled/forge+turning+threading300-800----≤17000
Hydraulic cylinderForging+drill & bore+ turning300-2000≥10mm≤10000
Other parts in deep-holeForge+ drill & bore+turning+mill300-2000----≤20000
Product Flow
1.Inquiry with drawings in details.
2.Confirm steel material, chemical compositions, mechanical properties, tolerance.
3.Confirm payment terms,order materials or check material in stock.
4.Check material chemical compositions, material weight, dimensions.
5.Cut materials record weight, making mould for casting of pr-hearting for forging.
6.Forging ratios, heat treatment ,dimension check.
7.Rough machining, UT test,heat treatment.
8.Semi-finish, quenching,
8.Fine machining, UT test, dimension inspection, mechanical properties test.
9.Customer inspection, packing, delivery arrangement.
Steel ingot making
EAF+LF+VD/VAD or ESR
Manufacturing process
EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machining
Report
Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT report
Nondestructive test (NDT)
UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)
Quality certification : ISO 9001: 2008, IQNET
4140 Alloy Steel Special Forging Part
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