Inconel Forge Fitting

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Chemical Composition of SS Buttweld Fittings

Grade C Cu Fe Ni Mn Si S Cr
600 0.15 0.50 6.00 – 10.0 72.00 1.00 0.50 0.015 14.00 – 17.00
Grade C Mn Cr Cu Si P S Ni Fe
Inconel 601 0.10 max 1.00 max 21.00-25.00 1.00 max 0.50 max – 0.015 max 58-63 Balance
Grade C Mn Si S Cr2 Mo Al Fe Ti Nb + Ta Ni
625 0.10 0.50 0.50 0.015 20.0-23.0 8.0-10.0 0.40 5.0 0.40 3.15–4.15 58.0 min
Grade C Mn Si P B Mo Co Al Ti S Ni Cr Nb Cu
Inconel 718 0.08 max 0.35 max 0.35 max 0.015 max 0.006 max 2.8 – 3.3 1.0 max 0.2 – 0.8 0.65 – 1.15 0.015 max 50 – 55 17 – 21 4.75 – 5.5 0.3 max
Grade C Mn Si Fe Ni Cr S Cu Al Ti
800 0.10 max 1.50 max 1.00 max 39.50 min 30.00 – 35.00 19.00 – 23.00 0.015 max 0.75 max 0.15 – 0.60 0.15 – 0.60
800H 0.05 – 0.10 1.50 max 1.00 max 39.50 min 30.00 – 35.00 19.00 – 23.00 0.015 max 0.75 max 0.15 – 0.60 0.15 – 0.60
800HT 0.06 – 0.10 1.50 max 1.00 max 39.50 min 30.00 – 35.00 19.00 – 23.00 0.015 max 0.75 max 0.15 – 0.60ᴬ 0.15 – 0.60ᴬ
Grade C Mn Si Fe Ni Cr S Cu Al Ti
825 0.05 max 1.00 max 0.5 max 22.00 min 38.00 – 46.00 19.50 – 23.50 0.03 max 1.50 – 3.00 0.02 max 0.06 – 1.20
Grade Si Mo Ni Cr Fe Cu S Mn C Al
Incoloy 925 0.5 max 2.5 – 3.5 42 – 46 19.55 – 22.5 22 min 1.5 – 3.0 0.03 max 1.0 max 0.03 max 0.1 – 0.5
Grade C Mn Fe Ni Si S Cu Cr Sn Pb
330 0.08 max 2.00 max Balance 34.0-37.0 0.75-1.50 0.03 max 1.00 max 17.0-20.0 0.025 0.005 max
Mechanical Properties of SS Butt weld Pipe Fittings

Grade Density Melting Point Yield Strength (0.2%Offset) Elongation Tensile Strength
600 8.47 g/cm3 1413 °C (2580 °F) Psi – 45,000 , MPa – 310 40 % Psi – 95,000 , MPa -655
Density Tensile Strength Melting Point Yield Strength (0.2%Offset) Elongation
8.1 g/cm3 Psi – 80000 , MPa – 550 1411 °C (2571 °F) Psi – 30000 , MPa – 205 30 %
Grade Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
625 8.4 g/cm3 1350 °C (2460 °F) Psi – 1,35,000 , MPa -930 Psi – 75,000 , MPa – 517 42.5 %
Element Density Tensile Strength Melting Point Yield Strength (0.2%Offset) Elongation
Inconel 718 8.2 g/cm3 Psi – 1,35,000, MPa – 930 1350 °C (2460 °F) Psi – 75,000, MPa – 482 45 %
Element Density Tensile Strength Melting Point Yield Strength (0.2%Offset) Elongation
800 / 800H / 800HT 7.94 g/cm3 Psi – 75,000 , MPa – 520 1385 °C (2525 °F) Psi – 30,000 , MPa – 205 30 %
Element Density Tensile Strength Melting Point Yield Strength (0.2%Offset) Elongation
825 8.14 g/cm3 Psi – 80,000 , MPa – 550 1400 °C (2550 °F) Psi – 32,000 , MPa – 220 30 %
Density Tensile Strength Melting Point Yield Strength (0.2%Offset) Elongation
8.14 g/cm3 650 1343°C 300 30 %
Element Density Tensile Strength Melting Point Elongation Yield Strength (0.2%Offset)
Incoloy 330 8.08 g/cm3 600 MPa 1380 °C (2520 °F) 45 % 280 MPa

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