Plastic Machinery

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1045 / 4140 / 70CrMo Heavy Steel Forgings Cylindrical Alloy Steel Forgings

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Products:

Cylindrical alloy steel forging,such as sleeve, pipe sleeve, roller shell and so on.

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Products reference:

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Material | 1045,4140,70CrMo |
Forging equipment | ? 6000T open die hydropress |
? Apply for | ? Mining /metallurgrical / rolling mill shell facilities. |
? Melting process | ? ? LF+EF+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 | ? ? ISO,BV,GSG,IST,UL.CTI |
? Delivery terms | ? Rough machining(N+T); finish machining(Q+T) |
? Test equipment | ? Spectrograph, UT device, tensile and compact 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. |
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Custom properties

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Material elements | C | Si | Mn | P | S | Cr | Ni | Mo | ? Others |
4140 | 0.38-0.43 | 0.15-0.35 | 0.60-0.90 | ≤0.035 | ≤0.040 | 0.80-1.10 | -- | 0.15-0.25 | - |
1045 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.30 | ≤0.25 | ? |
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? Mechainal properties | ? Dia.(mm) | ? TS/Rm(Mpa) | ? YS/Rp0.2(Mpa) | ? EL/A5(%) | ? RA/Z(%) | ? Type Of notch | ? Impact energy | ? HBW |
4140 | ?10 | 740~1000 | 450~850 | ≥12 | ≥25 | V | ≥40 | ≤250HBS |
1045 | ?25 | ≥600 | ≥355 | ≥16 | ≥40 | V | ≥39 | ≤229HBS |
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? ? 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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?Commerce clause

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? Max. length | ? 2000MM |
? MOP | ? 1PC |
? Delivery time | ? 30-50 days |
? Package | ? Wood pallet, steel frame support |
? Delivery terms | ? FOB;CIF;CFR；DDU； |
? Payment terms | ? T/T,LC |
? Type of shipping | ? By ocean, air |
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Keywords

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Cylindrical forging is apply for various areas of machinery. The major item is overlay rolling mill shell that protect roller core with the good weldability. It protect the crush roller when used in the mining machinery as crush sleeve.

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Advantage
# # 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.