Chemical Composition of SS Buttweld Fittings

Grade C Mn Si S Co Ni Cr Fe Mo P
C22 0.010 max 0.50 max 0.08 max 0.02 max 2.50 max 50.015 min* 20.00 – 22.50 2.00 – 6.00 12.50 – 14.50 0.02 max
Grade C Mn Si S Co Ni Cr Fe Mo P
B2 0.010 max 1.00 max 0.08 max 0.03 max 2.50 max 50.99 min* 14.50 – 16.50 4.00 – 7.00 15.00 – 17.00 0.04 max
Grade Ni Mo Cr Fe W Mn C Al Ti Si
Hastelloy B3 65.0 min 28.5 1.5 1.5 3.0 max 3.0 max 0.01 max 0.50 max 0.2 max 10 max
Grade Ni Mo Cr Fe Mn C Co Si P S
Hastelloy X Balance 8.00 – 10.00 20.50 – 23.00 17.00 – 20.00 1.00 max 0.05 – 0.15 0.50 – 2.50 1.00 max 0.04 max 0.03 max
Mechanical Properties of SS Butt weld Pipe Fittings

Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy C22 8.69 g/cm3 1399 °C (2550 °F) Psi – 1,00,000 , MPa – 690 Psi – 45000 , MPa – 310 45 %
Element Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy B2 8.89 g/cm3 1370 °C (2500 °F) Psi – 1,15,000 , MPa – 790 Psi – 52,000 , MPa – 355 40 %
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
9.2 g/cm3 1370 °C (2550 °F) Psi – 1,15,000 , MPa –760 Psi – 52,000 , MPa – 350 40%
Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.22 g/cm³ 1355°C 655 MPa 240 MPa 35%