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High Strength 20CrMnMo Open Die Forging Parts

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High Strength 20CrMnMo Open Die Forging Parts

Brand Name : HUIXUAN

Model Number : 4340，20CrMnMo,34CrNiMo7-6,18CrNiMo7-6

Certification : ASTM，ASME，DIN，JIS，ISO，BS，API，EN

Place of Origin : China

MOQ : 1 piece

Price : Negotiable

Payment Terms : L/C, T/T

Supply Ability : 3000-5000Ton/month

Delivery Time : 30-50Days

Packaging Details : Plywood case,Wooden pallet,Steel frame

Forging ratio : ≥4

MOQ : 1PC

Max Weight : 30T

Melting proce : EF+LF+VD

Material : Steel

Heating treatment : N+T Q+T

Application : High Strength Gear Box

Colour : Original

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High Strength Forging Parts Open Die Forging Parts

1. We are one of the leading exporters with a history of more than 20 years, enjoying an excellent reputation and keep a good relationship with many foreign companies, especially in USA, Canada, Russia, Europe and America.
2. Our manufactory has all kinds of the equipments, such as Lathe, CNC, Drilling Machine, Milling Machine, Boring Machine, Planing Machine.
3. We have a large number of the Quality Control Engineers, each of our product is inspected carefully before the shipment.
4. Our forging process is open die forging ,precision forging, die forging

5. We can provide the best service and the competitive price.
6. The delivery time and the package can be controlled according to the customers' requirement completely.

Products reference:

Material 4340,20CrMnMo,34CrNiMo7-6,18CrNiMo7-6
Forging equipment 4000T open die hydropress
Application

Mining equipment gear,gear harden,increase strength,suitable high strength gear box

Melting process

 EF+LF+VD
Production process

Forging+heat treatment+rough machining+QT+hobbing+gear grinding+finish machinig
Forging ratio

≥4

Applicable standard

 ASTM,ASME,DIN,JIS,ISO,BS,API,EN

Executive standard

 JB/GB/EN/DIN/JIS/ASME/ASTM/ISO

Certification authority

 ISO9001:2008,TÜV(BV),(LR),ABS,RINA,(GL),(KR),(DNV),(NK),PED.
Delivery term

Rough machining(N+T);finish machining(Q+T),ntriding quenching

Test equipment

Spectrograph,UT device,tensile and compact test machine,metalloscope,outside micrometer,bore dia indicator,trilinear coordinate measuring machine,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.

High Strength 20CrMnMo Open Die Forging Parts

Custom properties

Material elements

 C Si Mn P S Cr Ni Mo

Others
20CrMnMo 0.17-0.23 0.17-0.37 0.90-1.20 0.035 0.035 1.10-1.40 0.30 0.20-0.30 0.17-0.23
34CrNiMo6 0.30-0.38 ≤0.040 0.50-0.80 ≤0.035 ≤0.035 1.30-1.70 1.30-1.70 0.15-0.30
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 -

Mechanical property

Dia.(mm)

TS/Rm(Mpa)

YS/Rp0.2(Mpa)

EL/A5(%)

RA/Z(%)

Type Of notch

Impact energy

HBW
20CrMnMo Ø15 ≥1180 ≥885 ≥10 ≥45 V ≥55 ≤217HBS
34CrNiMo6 Ø15 750-900 450-600 ≥13 ≥55 V -40℃≥20 ≤269HBS
18CrNiMo7-6 Ø15 ≥980 ≥785 ≥9 ≥40 V ≥47 ≤269HBS
4340 Ø15 ≥980 ≥835 ≥12 ≥55 V ≥78 ≤179HBS

Process procedure:

Forging process flow quality control:

  1. Raw material steel ingot into warehouse(test the chemical content)
  2. Cutting→ Heating(Furnace temperture test)
  3. Heat treatment after forging(Furnace temperture test) Discharge the furnace(blank inspection)
  4. Machining→ Inspection(UT,MT,Visal diamention, hardness)
  5. QT→ Inspection(UT, mechanical properties, hardness, grain size)
  6. Finish machining→ Inspection (dimension)
  7. Packing and Marking(steel stamp, mark)→ Storage Shipment

Commerce clause

Max weight 30T
MOQ 1PC
Delivery time 30-50 days
Package Plywood case,wooden pallet,steel frame
Delivery term FOB;CIF;CFR；DDU；
Payment term T/T,LC
Type of shipping

By ocean,air

Advantage

  1. High-precision dimensional tolerance;
  2. Excellent mechanical properties;
  3. Produce different dimension based on customer’s requirements;
  4. Advanced manufacture equipments and inspection devices;
  5. Excellent technical personality;
  6. Control the production procedure strictly;
  7. Pay attention on the package protection;
  8. Quality full service.

High Strength 20CrMnMo Open Die Forging Parts


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