Pressure Vessel Tube Forging Heat Treatment QT 4000MM 20MnMo 20MnMoNb
Pressure Vessel Tube Forging Heat Treatment QT 4000MM 20MnMo 20MnMoNb
Products:
Tube plate of pressure vessel QT,tube plate of pressure bearing equipment QT,solid forging round plate QT,forging tube plate QT,tube plate QT,heighten tube plate QT
Products reference:
| Material | 20MnMo,20MnMoNb,16MnD,Q345D |
| Max dia | 4000MM |
| Application |
Tube plate after QT are widely used for tube type heat exchanger,boiler,pressure vessel,steam turbine,large scale central air conditioning,etc. |
| 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 items are qualified |
| Delivery term |
Rough machining(N+T);finish machining(Q+T) |
|
Test equipment |
Spectrograph,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 | Nb |
| 16MnD | 0.13-0.20 | 0.17-0.37 | 1.20-1.60 | ≤0.030 | ≤0.030 | ≤0.30 | ≤0.30 | -- | |
| 20MnMo | 0.17-0.23 | 0.17-0.37 | 1.10-1.40 | ≤0.025 | ≤0.015 | ≤0.030 | ≤0.030 | 0.20-0.35 | |
| 20MnMoNb | 0.16-0.23 | 0.17-0.37 | 1.20-1.50 | ≤0.035 | ≤0.035 | -- | -- | 0.45-0.60 | 0.20-0.45 |
|
Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 16MnD | Ø10 | 470-630 | ≥345 | ≥21 | -- | V | -20℃≥34 | -- |
| 20MnMo | Ø10 | ≥605 | ≥475 | ≥25 | -- | V | ≥180 | -- |
| 20MnMoNb | Ø10 | ≥635 | ≥490 | ≥15 | -- | U | ≥47 | 187-229HBS |
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 weight | 30T |
| Delivery time | 10-60 days |
| Package | wooden pallet,steel frame |
| Delivery term | FOB;CIF;CFR；DDU； |
| Payment term | 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.