UNS: S30452
ASTM: ASTM XM21
JIS: SUS304N2
GB: 06Cr19Ni9NbN
EN: -
GOST: 08Х18Н10Т
Thickness: 0.03mm - 3.0mm
Width: 1.5mm - 600mm
Length: Coil type or as per customer requirements
Surface Finish: NO.1, 2B, 2H (Rerolled Bright), BA, No.4, 8K (Mirror), HL (Hairline), Polishing Bright, etc.
Edge: Mill Edge, Slit Edge, Deburred Edge, Round Edge, V Type Edge
Introduction:
Grade XM21 stainless steel strip is a modification of 304 stainless steel with the addition of niobium (Nb) for enhanced stabilization against intergranular corrosion. It offers improved resistance to sensitization and grain boundary precipitation.
Applications:
XM21 stainless steel strip finds applications in industries such as chemical processing, petroleum refining, and food processing, where resistance to corrosion and high temperatures is essential. It is commonly used in heat exchangers, boiler tubes, and pressure vessels.
Chemical Composition (per ASTM A240):
- Carbon (C): ≤0.08%
- Silicon (Si): ≤1.00%
- Manganese (Mn): ≤2.00%
- Phosphorus (P): ≤0.045%
- Sulfur (S): ≤0.030%
- Chromium (Cr): 18.00-20.00%
- Nickel (Ni): 8.00-10.50%
- Niobium (Nb): 0.60-0.75%
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