1.4948 vs 1.4550 Verschil tussen 1.4948 en 1.4550
Kenmerken:
1.4948 Stainless Steel is heat-resistant steel, with good bending, welding process performance, corrosion resistance, high durability and structural stability, cold deformation ability is very good. The use temperature is up to 650 °C and the oxidation temperature is up to 850 °C.
Toepassing:
It is used to manufacture heat exchanger tubes for super-generator boilers, reheater tubes, steam pipes and petrochemicals. The allowable oxidation temperature for boiler tubes is 705°C.
Related standards: EN 10216-5
Kenmerken:
1.4550 is a stable austenitic heat-strength steel. It has good heat strength and resistance to intergranular corrosion, good welding performance, and good corrosion resistance in alkali, seawater and various acids.1.4550 and 1.4908/347HFG in higher elevated temperature allowable stresses for these stabilized alloys for ASME Ketel en Pressure Vessel Code-toepassingen.
Toepassing:
Warmtewisselaars voor oververhitterbuizen voor grote ketels, herverhitterbuizen, stoomleidingen en petrochemische producten. De toegestane oxidatietemperatuur in ketelbuizen is 750 °C.
Related standards: EN 10216-5
Verwante referenties:
1. Roestvrij staal Beschrijving
2. Roestvrij staal Algemene informatie
3. Chroom in roestvrij staal
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