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Mining machinery Open Die Forgings 18CrNiMo7-6 4340 20 CrMnMo big gear ring 1

Mining machinery Open Die Forgings 18CrNiMo7-6 4340 20 CrMnMo big gear ring 1

Brand Name:HUIXUAN
Certification:ISO,BV,SGS, IST, UL,CTI
Model Number:150T
Minimum Order Quantity:1
Delivery Time:30-60 days
Payment Terms:L/C, T/T
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Address: A 509,HuaJian Mansion,Zhangjiagang City,JiangSu Province,China
Supplier`s last login times: within 26 hours
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Product Details Company Profile
Product Details

18CrNiMo7-6 4340 20CrMnMo big gear ring 150T Open Die Forgings


1.Product:

Mining big gear,casting big gear ring,precision big gear ring,grinding big gear ring,precision casting big gear


2.Product reference:

Material18CrNiMo7-6,4340,20CrMnMo
Equipment8000T open die hydropress
Application

Large scale mining machinery equipment,transmission gear

Melting processLF+EF+VD
Production process

Forging(casting)+heat treatment+hobbing+grinding

Foring ratio

≥4

Applicable standardASTM,ASME,DIN,JIS,ISO,BS,API,EN
Executive standardJB/GB/EN/DIN/JIS/ASME/ASTM/ISO

Certification authority

ISO9,TÜV,BV,LR,ABS,RINA,GL,KR,DNV,NK,PED.

Delivery term


Rough machining(N+T);finish machining(Q+T)


Test equipment


Spectrograph,UT device,tensile and impact test machine,metalloscope,outside micrometer,bore dial indicator,hardness test machine,coordinate measuring machine

ServiceOur 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.

3.Custom properties

Material elementsCSiMnPSCrNiMo

Other

18CrNiMo7-60.15-0.210.17-0.350.50-0.90≤0.025≤0.0251.50-1.801.40-1.700.25-0.35
43400.38-0.430.15-0.350.60-0.80≤0.035≤0.0400.70-0.901.65-2.000.20-0.30-
20CrMnMO0.17-0.230.17-0.370.90-1.200.0350.0351.10-1.400.300.20-0.30


Mechanical property


Dia.(mm)


TS/Rm(Mpa)


YS/Rp0.2(Mpa)


EL/A5(%)


RA/Z(%)


Type Of notch


Impact energy


HBW

18CrNiMo7-6Ø15≥980≥785≥9≥40V≥47≤269HBS
4340Ø15≥980≥835≥12≥55V≥78≤179HBS
20CrMnMoØ15≥1180≥885≥10≥45V≥55≤217HBS

4.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


5.Commerce clause:


Max weight150T
MOQ1PC
Delivery date30-90 Days
Packagewooden case,wooden pallet,iron frame
Delivery termFOB;CIF;CFR;DDU;
Payment termT/T,LC
Transportation

By ocean,air


6.Keywords:

Precision big gear ring after forging or casting,then processed by double column vertical miller combined machining center,later processed by CNC hobbing machine,finally CNC gear profile grinding machine to form teeth,precision big gear ring can be dismantled for transportation,easy to install for customer.


Note:


High-precision dimensional tolerance;Excellent mechanical properties;

Produce different dimension based on customer’s requirements;

Advanced manufacture equipments and inspection devices;

Excellent technical personality;Control the production procedure strictly;

Pay attention on the package protection;Quality full service.



China Mining machinery Open Die Forgings 18CrNiMo7-6 4340 20 CrMnMo big gear ring 1 supplier

Mining machinery Open Die Forgings 18CrNiMo7-6 4340 20 CrMnMo big gear ring 1

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