Heat Treatment Forged Steel Flanges 9000MM 4140 34CrNiMo6 18CrNiMo7-6
Heat Treatment Forged Steel Flanges 9000MM 4140 34CrNiMo6 18CrNiMo7-6
Products:
Alloy steel flange QT,quenching flange froging,normalizing flange forging,tempering flange forging,flange forging QT,ring QT.
carbon steel flange,alloy steel flange,stainless plange after QT would enhance mechanical property,improve strength and prolong working life
Products reference:
| Material | 4140,34CrNiMo6,18CrNiMo7-6 |
| Forging equipment | 9000MM numerical control ring rollling machine |
| Application |
QT flange forging used for all forging heat treatment,to enhance 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,shipment after all inspection items qualified |
| Delivery term |
Rough machining(N+T)；finish machining(Q+T) |
|
Test equipment |
Spectograph,ut device,tensile and compact test machine,metalloscope,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. |
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 |
|
Mechanial 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 |
Commerce clause
| MOQ | 1PC |
| MAX weight | 30T |
| Delivery time | 10-60Days |
| Package | wooden pallet,steel frame |
| Delivey term | FOB;CIF;CFR；DDU； |
| Payment terms | T/T,LC |
| Type of shipping | By ocean,air |
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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.