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Help CenterHigh Precision Alloy Steel Forgings 40Cr 4140 60CrMo Roller Shaft
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Certification:ISO9001：2008，BV,GSG, IST, UL，CTI
High Precision Alloy Steel Forgings 40Cr 4140 60CrMo Roller Shaft
Products:
forge roller shaft, alloy steel roller, roller shaft forging, supporting roller, upper roller, lower roller, plate bending roller shaft.
Products reference:
|
Material |
40Cr,4140,60CrMo |
|
Forging equipment |
8000T open die hydropress |
|
Apply for |
Roll shaft is the important part for plate bending rolls. The rollers in pair or group rolling with pressure to roll the steel. It bears the dynamic and static load, the affact of abrasion and temperature change. |
|
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 |
ISO9001:2008,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. |
Custom properties
|
Material elements |
C | Si | Mn | P | S | Cr | Ni | Mo |
Others |
| 40Cr | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | 0.80-1.10 | 0.30 | - | |
| 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 | - |
| 60CrMo | 0.55-0.65 | 0.17-0.30 | 0.450-0.80 | ≤0.020 | ≤0.015 | 0.50-0.80 | ≤0.25 | 0.20-0.40 |
|
Mechainal properties |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 40Cr | Ø15 | ≥980 | ≥785 | ≥9 | ≥45 | U | ≥47 | ≤250HBS |
| 4140 | Ø10 | 740~1000 | 450~850 | ≥12 | ≥25 | V | ≥40 | ≤250HBS |
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 |
|
Max. length |
16000MM |
|
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 |
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