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High Strength Gear Box Open Die Forgings Heat Nitriding Treatment

High Strength Gear Box Open Die Forgings Heat Nitriding Treatment photo-1
Negotiable MOQ: 1 Piece (Price negotiable depending on order volume and customization)
Key Specifications
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Brand Name:
HUIXUAN
Place of Origin:
China
Model Number:
4340,20CrMnMo,34CrNiMo7-6,18CrNiMo7-6
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days
Brand Name HUIXUAN
Place of Origin China
Model Number 4340,20CrMnMo,34CrNiMo7-6,18CrNiMo7-6
Delivery Time:30-50Days
Certification:ASTM,ASME,DIN,JIS,ISO,BS,API,EN

High Strength Gear Box Open Die Forgings Heat Nitriding Treatment

Products:

Mining equipment gear,accelerator gear,reducer gear,alloy steel gear,nitriding steel gear.

Mining equipment gear after heat nitriding treatment,carburizing quenching treatment to reach gear strength,to meet the bad condition working,precision mining gear after gear grinding to meet accuracy requirements,trilinear coordiante measuring machine to check the accuracy.

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.

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:

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

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Business Type
Trading Company
Total Employees
101 - 200 People
Main Markets
North America, South America, Eastern Europe
Location
Zaozhuang, Shandong, China

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