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50Mn / DG20Mn / 25Cr2Ni4MoV Heavy Steel Forgings ASME Marine Shaft Forging

Categories Heavy Steel Forgings
Brand Name: HUIXUAN
Model Number: Marine Shaft
Certification: ABS/ DNV/ BV/ GL/KR/ CCS/ LR/ NK/ RINA/ RS
Place of Origin: China
MOQ: 1
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 2000-4000 Ton/Month
Delivery Time: 30-60 days
Packaging Details: Wood pallet, steel frame support
Max Weight: 40T
Color: Original
Size: As drawing
Material: Steel
Application: Machinery parts
OEM: Yes
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50Mn / DG20Mn / 25Cr2Ni4MoV Heavy Steel Forgings ASME Marine Shaft Forging


50Mn / DG20Mn / 25Cr2Ni4MoV Heavy Steel Forgings ASME Marine Shaft Forging


Products:

Marine forging, ship shaft, screw shaft, rudder stock, bearing pintle, cardan shaft, intermediate shaft


Products reference:


Material


50Mn,DG20Mn,25Cr2Ni4MoV,34CrNiMo6


Max. weight


40T


Apply for


Ship, cargo, steamer engine fittings, dock port machinery parts.


Melting process


EF+LF+VD


Process technology


Forging+heat treatment+rough machining+finish machining


Forging ratio


≥3.5


Applicable standard


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


Executive standard


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


Certification authority


ABS/ DNV/ BV/ GL/KR/ CCS/ LR/ NK/ RINA/ RS.


Delivery terms


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


Test equipment


Spectrograph, UT device, tensile and impact test machine, metalloscope,external micrometer, bore dial indicator, hardness testing device and so on.


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

CSiMnPSCrNiMoV
50Mn0.48-0.560.17-0.370.70-1.00≤0.035≤0.035≤0.25≤0.30---
DG20Mn0.17-0.240.17-0.340.70-1.00≤0.035≤0.035≤0.25≤0.25--
25Cr2Ni4MoV≤0.25≤0.23≤0.53≤0.006≤0.004≥1.62≥3.75≥0.33≥0.09
34CrNiMo60.30-0.38≤0.0400.50-0.80≤0.035≤0.0351.30-1.701.30-1.700.15-0.30


Mechainal properties


Dia.(mm)


TS/Rm(Mpa)


YS/Rp0.2(Mpa)


EL/A5(%)


RA/Z(%)


Type Of notch


Impact energy


HBW

50MnØ25≥645≥390≥13≥40V≥31≤255HBS
DG20MnØ25≥450≥275≥24≥50
34CrNiMo6Ø15750-900450-600≥13≥55V-40℃≥20≤269HBS

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


Commerce clause


MOQ


1PC


Delivery time


30-60 days


Package


Wood pallet, steel frame support


Delivery terms


FOB;CIF;CFR;DDU;


Payment terms


T/T,LC


Type of shipping


By ocean, air


Keywords

Various of forging used for marine products, dock port machinery, marine engine crank shaft with the ten classification certificates.


Note:

  • Excellent mechanical properties;
  • Produce different dimension based on customer’s requirements;
  • Advanced manufacture equipments and inspection devices;
  • Excellent technical personality;


Quality 50Mn / DG20Mn / 25Cr2Ni4MoV Heavy Steel Forgings ASME Marine Shaft Forging for sale
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