H13 mandrel bar,stainless steel pipe mandrel bar,seamless steel pipe mandrel bar,alloy steel core rod
Products reference:
| Material | H13, T20502, 4Cr5MoSiV1, 1.2740 |
| Forging equipment | 2000T forging round machine |
| Application | Important perforating tool in seamless steel pipe rolling processing |
| Melting process | LF+EF+VD(ESR) |
| Process technology | Forging+heat treatment+rough machining+finish machining |
| Forging ratio | ≥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 |
| Delivery term | Rough machining(N+T); finish machining(Q+T) |
| Test equipment | Spectrograph,UT device,tensile and impact test machine,metalloscope,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:
| Chemical composition | C | Si | Mn | P | S | Cr | V | Mo | Others |
| T20502 | 0.32-0.45 | 0.80-1.20 | 0.20-0.50 | ≤0.030 | ≤0.030 | 4.75-5.50 | 0.80-1.2- | 1.10-1.75 | |
| 1.2740 | 0.24-0.32 | 0.30-0.50 | 0.20-0.40 | ≤0.030 | ≤0.030 | 0.60-0.90 | 0.25-0.32 | 0.50-0.70 | |
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 | 3000KG |
| MOQ | 10PC |
| Delivery time | 20-50 days |
| Package | Wooden,pallet,steel frame |
| Delivery term | FOB;CIF;CFR；DDU； |
| Payment term | T/T,LC |
| Transportaion | Ocean,air |
Keywords:
According to different material,Mandrel bar is used for various seamless pipe perforating,
Die block steel mandrel bar is used for stainless steel pipe,normal high alloy steel mandrel bar is used for alloy steel pipe.
Advantage:
1.High-precision dimensional tolerance;
2.Excellent mechanical properties;
3.Produce different dimension based on customer’s requirements;
4.Advanced manufacture equipments and inspection devices;
5.Excellent technical personality;
6.Control the production procedure strictly;
7.Pay attention on the package protection;
8.Quality full service.
Product Tags:
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H13 T20502 4Cr5MoSiV1 1.2740 H13 Seamless Steel Pipe Mandrel Bar / Alloy Steel Core Rod Images
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