JIANGSU HUI XUAN NEW ENERGY EQUIPMENT CO.,LTD
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LF+EF+VD ASTM,ASME,DIN,JIS,ISO,BS,API,EN alloy steel 4140 coupling Open Die Forgings
Reference:
| Material | 4140 |
| Forging equipment | 8T Hammer |
| Application |
Transmission power |
| Melting process | LF+EF+VD |
| Production process |
Forging+heat treatment+rough machining+finish machining |
| Forging ratio |
≥3 |
| Applicable standard | ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
| Executive standard | JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
|
Certificate Authority | ISO,BV,SGS, IST, UL,CTI |
| 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 device. |
| 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:
| 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 | - |
|
Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 4140 | Ø20 | 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:
| Max weight | 3T |
| MOQ | 1PC |
| Delivery date | 20-50 days |
| Package | wooden case,pallet,iron frame |
| Delivery term | FOB;CIF;CFR；DDU； |
| Payment term | T/T,LC |
| Transportation |
Ocean,air |
keywords:
Coupling is used to connect two shafts of different parts,that rotates two shafts to transfer torque.In high speed heavy load transmission area,some coupling have buffer,shock absorb and improve shaft’s property function,coupling consist of two half parts that connect driving shaft and driven shaft.
