JIANGSU HUI XUAN NEW ENERGY EQUIPMENT CO.,LTD
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Alloy Steel Heat Treatment Forging , QT Quenching / Normalizing Shaft Forging
Carbon steel shaft,alloy steel shaft,stainless steel shaft after QT would strengthen mechanical property,improve product strength and working life.
Product reference:
| Material | 4140,34CrNiMo6,18CrNiMo7-6 |
| Forging equipment | 8000T open die hydropress |
| Application | QT shaft forging is used for all forging’s heat treatment,strengthen mechanical property |
| Melting process | EF+LF+VD |
| Production process | Forging+heat treatment+rough machining+QT |
| 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,SGS, IST, UL,CTI |
| Inspection | Plant self-inspection or third party inspection.delivery after all items qualified |
| Delivery terms | Rough machining(N+T);finish machining(Q+T)
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| Test machine
| Spectrograph,UT device,tensile and compact test machine,metallosclpe,outside micrometer,bore dial indicator,hardness test machine |
| 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
| 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 | - |
| 34CrNiMo6 | 0.30-0.38 | ≤0.040 | 0.50-0.80 | ≤0.035 | ≤0.035 | 1.30-1.70 | 1.30-1.70 | 0.15-0.30 | |
| 18CrNiMo7-6 | 0.15-0.21 | 0.17-0.35 | 0.50-0.90 | ≤0.025 | ≤0.025 | 1.50-1.80 | 1.40-1.70 | 0.25-0.35 |
| Mechanical property | Dia.(mm) | TS/Rm(Mpa) | YS/Rp0.2(Mpa) | EL/A5(%) | RA/Z(%) | Type Of notch | Impact energy | HBW |
| 4140 | Ø10 | 740~1000 | 450~850 | ≥12 | ≥25 | V | ≥40 | ≤250HBS |
| 34CrNiMo6 | Ø15 | 750-900 | 450-600 | ≥13 | ≥55 | V | -40℃≥20 | ≤269HBS |
| 18CrNiMo7-6 | Ø15 | ≥980 | ≥785 | ≥9 | ≥40 | V | ≥47 | ≤269HBS |
Process procedure:
Forging process flow quality control:
Commerce clause
| MOQ | 1PC |
| MAX weight | 50T |
| Delivery time | 10-60days |
| Package | Wooden pallet,steel frame |
| Delivery term | FOB;CIF;CFR；DDU； |
| Payment terms | T/T,LC |
| Type of shipping | By ocean,air |