1.4948 vs 1.4550 Difference Between 1.4948 and 1.4550

                   

1.4948 Stainless Steel Tube

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

1.4550 Stainless Steel Tube:

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.

347H Stainless Steel Tubes

Related standards: EN 10216-5

Related References:
1. Stainless Steel Description
2. Stainless Steel General Information
3. Chromium In Stainless Steel
Stainless Steel ” L” “H” Grade
Difference Between 304H and 347H
Difference Between 304 304L and 321
Difference Between ASTM A213 and ASTM A269
Difference Between ASTM A213 and ASTM A312
304 304L 304LN 304H Stainless Steel Tubing and Pipe
Difference Between Duplex Steel S31803 / S32205 and 316L

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