1.4948 vs 1.4550 Difference Between 1.4948 and 1.4550
Features:
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.
Application:
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
Features:
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 Boiler and Pressure Vessel Code applications.
Application:
Heat exchangers for large boiler superheater tubes, reheater tubes, steam lines and petrochemicals. The allowable oxidation temperature in boiler tubes is 750 °C.
Related standards: EN 10216-5
Related References:
1. Stainless Steel Description
2. Stainless Steel General Information
3. Chromium In Stainless Steel
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