Mechanical Alloy Steel Flange Forging High Strength Quenching / Normalizing
Mechanical Alloy Steel Flange Forging High Strength Quenching / Normalizing
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 |
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