Melting Process EF + VAR Stainless Steel Forging 4130 Tube Head Stone
Melting process EF+VAR 4130 tube head stone Stainless Steel Forging
Products reference:
| Material | 4130 |
| Forging equipment | 8T hammer |
| Application | Tube head is the part to connect topside casing head and oil tree,enable to hang oil pipe,seal annular space of oil pipe and casing pipe |
| Melting process | EF+VAR |
| Processing technology |
Forging-heat treatment after forging-rough machining-QT-finish machining-package-storage |
| Forging ratio | ≥4 |
| Applicable standard | ASTM,ASME,DIN,JIS,ISO,BS,API,EN |
| Executive standard | JB/GB/EN/DIN/JIS/ASME/ASTM/ISO |
| Certification authority | ISO9001,PED (TÜV) |
| Delivery term |
Each product is qualified,no defect of material and processing,fully meet the mechanical property |
| Test equipment |
Spectrograph,UT,MT test device,tensile and impact test device,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 | Cu | V |
| 4130 | 0.28-0.33 | 0.15-0.35 | 0.4-0.7 | ＜0.025 | ＜0.025 | 0.8-1.0 | ＜0.5 | 0.15-0.25 | / | ＜0.1 |
| Mechanical property |
Dia.(mm) |
TS/Rm(Mpa) |
YS/Rp0.2(Mpa) |
EL/A5(%) |
RA/Z(%) |
Type Of notch |
Impact energy |
HBW |
| 4130 | Ф20 | ＞655 | ＞517 | ＞18 | ＞35 | V | ≥20J(-60℃) | 197-237 |
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 | 5T |
| MOQ | 1pc |
| Delivery time | 60 days |
| Package | steel frame |
| Delivery term | FOB;CIF |
| Payment term | T/T,LC |
| Transportation | Vehicle,ocean,air |
Keywords:
Tube head is the part to connect topside casing head and oil tree,enable to hang oil pipe,seal annular space of oil pipe and casing pipe
Note:
- 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.
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