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Wrought Austenitic ASME SA 403 Stainless Steel Fittings Manufacturer in India in Various Grades
ASTM A403 Fittings Specification
ASTM A403 Fittings Manufacturer in India, known for producing high-performance material designed to withstand
extreme temperatures.
- Seamless Fittings: 1/2″ To 24″
- Welded Fittings: 24″ To 96″
- Schedule :SCH 10- SCH 160
- MSS-SP-43
- ASME B16.28
- ANSI B16.9
- Cap
- Tee
- Reducer
- Elbow
- Korean
- European
- American
- Janpanese
- Seamless
- Welded
- Fabricated
- Polished
- Pickled
- Density: 7.85 g/cm³
- Melting Point: 1325-1370°C
- Temperature : 1150°F to 1800°F
- 3D
- 2D
- 1D
- 5D
- ASTM A403
- ASME SA 403
- HIC tested
- NDT Test
- Ultrasonic test
- PMI Test
- Construction
- Chemical processing
- Water treatment
- Shipbuilding
- Corrosion resistance
- Testing standards
- Manufacturing process
- High Strength
ASTM A403 Buttweld Fittings Dimensional Tolerances

| All Fittings | 180° Returns | Caps | Reducers and Lap Joint Stub | 90°and 45° Ells and Tees | Angularity Tol | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Pipe Plane Size (NPS) | Outside(1) Diameter at Bevel | Inside(1) Diameter at End | Wall(2) Thickness | Centre-to- Centre Dimension O | Back-to- Face Dimension K | Alignment at Ends U | Overall Length E | Overall Length L | Centre-to- End Dimension A,B,C,M | Nominal Pipe SIze | Off Angle Q | Off Angle P |
| 1/2 TO 2-1/2 | +1/16 | ±1/32 | Not less than 87-1/2% of Normal Thickness | ±1/4 | ±1/4 | ±1/32 | ±1/8 | ±1/16 | ±1/16 | 12 to 4 | 1/32 | 1/16 |
| – | -1/32 | – | – | – | – | – | – | – | 5 to 8 | 1/16 | 1/8 | |
| 3 TO 3-1/2 | ±1/16 | ±1/16 | ±1/4 | ±1/4 | ±1/32 | ±1/8 | ±1/16 | ±1/16 | 10 to 12 | 3/32 | 3/16 | |
| 4 | ±1/16 | ±1/16 | ±1/4 | ±1/4 | ±1/32 | ±1/8 | ±1/16 | ±1/16 | 14 to 16 | 3/32 | 1/4 | |
| 5 TO 8 | +1/32 | ±1/16 | ±1/4 | ±1/4 | ±1/32 | ±1/4 | ±1/16 | ±1/16 | 18 to 24 | 1/8 | 3/8 | |
| – | -1/16 | – | – | – | – | – | – | – | – | – | – | |
| 10 TO 18 | +1/16 | ±1/8 | ±3/8 | ±1/4 | ±1/16 | ±1/4 | ±3/32 | ±3/32 | All dimensions are in inches | |||
| – | -1/8 | – | – | – | – | – | – | – | ||||
| 20 TO 24 | +1/4 | ±3/32 | ±3/8 | ±1/4 | ±1/16 | ±1/4 | ±3/32 | ±3/32 | ||||
| – | -3/32 | – | – | – | – | – | – | – | ||||
ASME SA 403 90º Elbow Dimension

| Standard Range — Inches | Approximate Weight — Pounds | |||||
|---|---|---|---|---|---|---|
| Nominal Pipe Size | O.D. Outside Diameter | Centre to Face A | Sch.5S | Sch.10S | Sch.40S | Sch.80S |
| 1 | 1.315 | 1 | 0.17 | 0.23 | 0.26 | 0.41 |
| 2 | 2.375 | 2 | 0.63 | 0.81 | 1.13 | 1.40 |
| 2-1/2 | 2.875 | 2-1/2 | 1.25 | 1.36 | 2.25 | 2.60 |
| 3 | 3.500 | 3 | 1.75 | 2.17 | 3.31 | 4.20 |
| 3-1/2 | 4.000 | 3-1/2 | 2.35 | 3.05 | 4.54 | 6.00 |
| 1-1/4 | 1.660 | 1-1/4 | 0.31 | 0.38 | 0.45 | 0.64 |
| 1-1/2 | 1.900 | 1-1/2 | 0.43 | 0.49 | 0.63 | 0.75 |
| 4 | 4.500 | 4 | 3.12 | 3.79 | 6.88 | 8.20 |
| 5 | 5.563 | 5 | 4.94 | 6.12 | 11.63 | 14.00 |
| 6 | 6.625 | 6 | 7.75 | 9.15 | 17.50 | 23.00 |
| 8 | 8.625 | 8 | 15.44 | 17.63 | 37.60 | 48.00 |
| 10 | 10.750 | 10 | 27.40 | 35.00 | 63.00 | 75.00 |
| 12 | 12.750 | 12 | 35.00 | 40.00 | 80.00 | 108.00 |
| 14 | * | 14 | – | 66.00 | 116.00 | 145.00 |
| 16 | * | 16 | – | 85.00 | 157.00 | 230.00 |
| 18 | * | 18 | – | 108.00 | 198.00 | 243.00 |
| 20 | * | 20 | – | 140.00 | 242.00 | 299.00 |
| 24 | * | 24 | – | 242.00 | 363.00 | 436.00 |
Buy A403M Buttweld Fittings With Heat Treatment in Seamless and Welded Form For Pressure Piping Applications
A403M Buttweld Fittings Applications

ASTM A403m Equal Tee Dimensions

| Standard Range — Inches | Approximate Weight — Pounds | |||||
|---|---|---|---|---|---|---|
| Nominal Pipe Size | O.D. Outside Diameter | Centre to Face C | Sch.5S | Sch.10S | Sch.40S | Sch.80S |
| 1/2 | 0.840 | 1 | 0.18 | .020 | 0.35 | 0.45 |
| 1 | 1.315 | 1-1/2 | 0.35 | .060 | 0.75 | 0.88 |
| 1-1/4 | 1.660 | 1-7/8 | 0.65 | 1.10 | 1.30 | 1.60 |
| 1-1/2 | 1.900 | 2-1/4 | .0.89 | 1.50 | 2.00 | 2.25 |
| 2 | 2.375 | 2-1/2 | 1.07 | 1.80 | 3.50 | 4.00 |
| 3-1/2 | 4.000 | 3-3/4 | 3.38 | 4.90 | 9.00 | 12.00 |
| 3/4 | 1.050 | 1-1/8 | 0.21 | .028 | 0.45 | 0.65 |
| 2-1/2 | 2.875 | 3 | 2.07 | 3.00 | 6.00 | 7.00 |
| 3 | 3.500 | 3-3/8 | 2.69 | 3.90 | 7.00 | 8.50 |
| 4 | 4.500 | 4-1/8 | 3.94 | 5.70 | 12.00 | 15.70 |
| 5 | 5.563 | 4-7/8 | 9.76 | 12.00 | 31.00 | 26.00 |
| 6 | 6.625 | 5-5/8 | 13.80 | 17.00 | 34.00 | 40.00 |
| 8 | 8.625 | 7 | 18.40 | 25.00 | 55.00 | 75.00 |
| 10 | 10.750 | 8-1/2 | 30.00 | 37.00 | 85.00 | 105.00 |
| 12 | 12.750 | 10 | 45.70 | 54.00 | 120.00 | 160.00 |
| 14 | * | 11 | – | 154.00 | 226.00 | 280.00 |
| 16 | * | 12 | – | 160.00 | 242.00 | 369.00 |
| 18 | * | 13-1/2 | – | 224.00 | 333.00 | 425.00 |
| 20 | * | 15 | – | 373.00 | 504.00 | 583.00 |
| 24 | * | 17 | – | 674.00 | 765.00 | 934.00 |

| Standard Range — Inches | Approximate Weight — Pounds | |||||
|---|---|---|---|---|---|---|
| Nominal Pipe Size | O.D. Outside Diameter | Length H | Sch.5S | Sch.10S | Sch.40S | Sch.80S |
| 3/4X1/2 | 1.050X0.840 | 1-1/2 | 0.14 | 0.21 | 0.28 | 0.35 |
| 1X1/2 | 1.315X0.840 | 2 | 0.15 | 0.25 | 0.31 | 0.36 |
| 1-1/4X1/2 | 1.660X0.840 | 2 | 0.20 | 0.33 | 0.43 | 0.49 |
| 1-14X3/4 | 1.660X1.050 | 2 | 0.20 | 0.34 | 0.44 | 0.51 |
| 1-1/4X1 | 1.660X1.315 | 2 | 0.21 | 0.35 | 0.45 | 0.54 |
| 1-1/2X1/2 | 1.900X0.840 | 2-1/2 | 0.20 | 0.34 | 0.45 | 0.61 |
| 1-1/2X3/4 | 1.900X1.050 | 2-1/2 | 0.22 | 0.36 | 0.48 | 0.65 |
| 1X3/4 | 1.315X1.050 | 2 | 0.15 | 0.25 | 0.31 | 0.37 |
| 1-1/2X1 | 1.900X1.315 | 2-1/2 | 0.24 | 0.40 | 0.58 | 0.68 |
| 3X1-1/2 | 3.500X1.900 | 3-1/2 | 0.73 | 1.06 | 2.07 | 2.44 |
| 4X1-1/2 | 4.500X1.900 | 4 | 0.96 | 1.39 | 2.74 | 3.82 |
| 4X2 | 4.500X2.375 | 4 | 1.11 | 1.61 | 3.18 | 3.93 |
| 4X2-1/2 | 4.500X2.875 | 4 | 1.17 | 1.70 | 3.35 | 4.43 |
| 4X3 | 4.500X3.500 | 4 | 1.23 | 1.78 | 3.51 | 4.70 |
| 4X3-1/2 | 4.500X4.000 | 4 | 1.27 | 1.83 | 3.62 | 4.88 |
| 5X2 | 5.563X2.375 | 5 | 2.14 | 2.63 | 6.07 | 6.62 |
| 2-1/2X1-1/4 | 2.875X1.660 | 3-1/2 | 0.61 | 0.87 | 1.48 | 1.82 |
| 2-1/2X1-1/2 | 2.875X1.900 | 3-1/2 | 0.62 | 0.90 | 1.52 | 1.89 |
| 2-1/2X2 | 2.875X2.375 | 3-1/2 | 0.66 | 0.95 | 1.61 | 2.07 |
| 3X1 | 3.500X1.315 | 3-1/2 | 0.62 | 0.90 | 1.58 | 1.96 |
| 3X1-1/4 | 3.500X1.660 | 3-1/2 | 0.66 | 0.95 | 1.71 | 2.29 |
| 1-1/2X1-1/4 | 1.900X1.660 | 2-1/2 | 0.26 | 0.43 | 0.57 | 0.73 |
| 2X1/2 | 2.375X0.840 | 3 | 0.27 | 0.46 | 0.64 | 0.95 |
| 2X3/4 | 2.375X1.050 | 3 | 0.31 | 0.52 | 0.73 | 1.01 |
| 2X1 | 2.375X1.315 | 3 | 0.35 | 0.58 | 0.82 | 1.07 |
| 2X1-1/4 | 2.375X1.660 | 3 | 0.37 | 0.62 | 0.87 | 1.16 |
| 2X1-1/2 | 2.375X1.900 | 3 | 0.38 | 0.64 | 0.90 | 1.20 |
| 2-1/2X1 | 2.875X1.315 | 3-1/2 | 0.54 | 0.77 | 1.31 | 1.75 |
| 5X2-1/2 | 5.563X2.875 | 5 | 2.34 | 2.88 | 5.54 | 7.26 |
| 5X3 | 5.563X3.500 | 5 | 2.43 | 2.99 | 5.75 | 7.83 |
| 3X2 | 3.500X2.375 | 3-1/2 | 0.77 | 1.12 | 2.01 | 2.60 |
| 3X2-1/2 | 3.500X2.875 | 3-1/2 | 0.83 | 1.21 | 2.17 | 2.85 |
| 3-1/2X1-1/4 | 4.000X1.660 | 4 | 0.89 | 1.29 | 2.40 | 3.15 |
| 3-1/2X1-1/2 | 4.000X1.900 | 4 | 0.93 | 1.34 | 2.53 | 3.38 |
| 3-1/2X2 | 4.000X2.375 | 4 | 1.00 | 1.44 | 2.72 | 3.54 |
| 3-1/2X2-1/2 | 4.000X2.875 | 4 | 1.09 | 1.58 | 2.97 | 3.85 |
| 3-1/2X3 | 4.000X3.500 | 4 | 1.12 | 1.62 | 3.05 | 4.08 |
| 5X3-1/2 | 5.563X4.000 | 5 | 2.48 | 3.05 | 5.88 | 8.04 |
| 5X4 | 5.563X4.500 | 5 | 2.54 | 3.12 | 6.01 | 8.32 |
| 6X2 | 6.625X2.375 | 5-1/2 | 2.80 | 3.48 | 7.25 | 9.40 |
| 6X2-1/2 | 6.625X2.875 | 5-1/2 | 2.97 | 3.66 | 7.64 | 9.95 |
| 6X3 | 6.625X3.500 | 5-1/2 | 3.13 | 3.84 | 8.03 | 11.10 |
| 6X3-1/2 | 6.625X4.000 | 5-1/2 | 3.18 | 3.91 | 8.17 | 11.60 |
| 6X4 | 6.625X4.500 | 5-1/2 | 3.20 | 3.93 | 8.22 | 12.00 |
| 6X5 | 6.625X5.563 | 5-1/2 | 3.38 | 4.15 | 8.68 | 12.60 |
| 8X3 | 8.625X3.500 | 6 | 3.90 | 5.33 | 11.20 | 14.40 |
| 8X3-1/2 | 8.625X4.000 | 6 | 4.37 | 5.93 | 12.90 | 16.10 |
| 8X4 | 8.625X4.500 | 6 | 4.47 | 6.07 | 13.20 | 18.60 |
| 8X5 | 8.625X5.563 | 6 | 4.57 | 6.20 | 13.50 | 19.50 |
| 8X6 | 8.625X6.625 | 6 | 4.74 | 6.43 | 14.00 | 20.40 |
| 10X4 | 10.750X4.500 | 7 | 7.78 | 9.58 | 21.20 | 25.30 |
| 10X5 | 10.750X5.563 | 7 | 8.04 | 9.90 | 21.90 | 28.70 |
| 10X6 | 10.750X6.625 | 7 | 8.22 | 10.12 | 22.40 | 29.80 |
| 10X8 | 10.750X8.625 | 7 | 8.55 | 10.53 | 23.30 | 31.40 |
| 12X5 | 12.750X5.563 | 8 | 13.46 | 14.69 | 30.60 | 39.10 |
| 12X6 | 12.750X6.625 | 8 | 13.73 | 14.98 | 31.20 | 40.60 |
| 12X8 | 12.750X8.625 | 8 | 14.17 | 15.45 | 32.20 | 42.10 |
| 12X10 | 12.750X10.750 | 8 | 14.84 | 16.08 | 33.50 | 43.00 |
| 14X6 | 14.000X6.625 | 13 | – | 23.00 | 50.00 | 68.00 |
| 14X8 | 14.000X8.625 | 13 | – | 25.00 | 52.00 | 70.00 |
| 14X10 | 14.000X10.750 | 13 | – | 27.00 | 54.00 | 72.00 |
| 14X12 | 14.000X12.750 | 13 | – | 29.00 | 56.00 | 74.00 |
| 16X8 | 16.000X8.625 | 14 | – | 31.00 | 58.00 | 79.00 |
| 16X10 | 16.000X10.750 | 14 | – | 32.00 | 61.00 | 81.00 |
| 16X12 | 16.000X12.750 | 14 | – | 33.00 | 65.00 | 86.00 |
| 16X14 | * | 14 | – | 35.00 | 68.00 | 90.00 |
| 18X10 | 18.000X10.750 | 15 | – | 37.00 | 73.00 | 92.00 |
| 18X12 | 18.000X12.750 | 15 | – | 39.00 | 76.00 | 100.00 |
| 18X14 | * | 15 | – | 40.00 | 79.00 | 105.00 |
| 18X16 | * | 15 | – | 42.00 | 83.00 | 110.00 |
| 20X12 | 20.000X12.750 | 20 | – | 64.00 | 108.00 | 139.00 |
| 20X14 | * | 20 | – | 66.00 | 112.00 | 148.00 |
| 20X16 | * | 20 | – | 70.00 | 118.00 | 156.00 |
| 20X18 | * | 20 | – | 73.00 | 124.00 | 165.00 |
| 24X16 | * | 20 | – | 90.00 | 130.00 | 196.00 |
| 24X18 | * | 20 | – | 93.00 | 139.00 | 200.00 |
| 24X20 | * | 20 | – | 97.00 | 145.00 | 204.00 |
Most Common Types of ASTM A403 Fittings
ASTM A403 Fittings Supplier in India, providing custom-made products that excel in different environments.
ASME SA 403 End Cap Dimensions

| Standard Range — Inches | Approximate Weight — Pounds | |||||
|---|---|---|---|---|---|---|
| Nominal Pipe h “E” Size | O.D. Outside Diameter | Length | Sch.5S | Sch.10S | Sch.40S | Sch.80S |
| 1 | 1.315 | 1-1/2 | 0.10 | 0.16 | 0.20 | 0.24 |
| 1-1/4 | 1.660 | 1-1/2 | 0.13 | 0.22 | 0.28 | 0.35 |
| 1-1/2 | 1.900 | 1-1/2 | 0.17 | 0.28 | 0.38 | 0.49 |
| 2 | 2.375 | 1-1/2 | 0.24 | 0.41 | 0.58 | 0.76 |
| 2-1/2 | 2.875 | 1-1/2 | 0.37 | 0.53 | 0.90 | 1.13 |
| 1/2 | 0.840 | 1 | 0.07 | 0.07 | 0.07 | 0.10 |
| 8 | 8.625 | 4 | 4.02 | 5.46 | 11.87 | 17.12 |
| 10 | 10.750 | 5 | 8.07 | 9.95 | 22.00 | 28.93 |
| 3/4 | 1.050 | 1 | 0.10 | 0.12 | 0.13 | 0.19 |
| 3 | 3.500 | 2 | 0.58 | 0.83 | 1.50 | 1.96 |
| 3-1/2 | 4.000 | 2-1/2 | 0.70 | 1.01 | 1.91 | 2.55 |
| 4 | 4.500 | 2-1/2 | 0.88 | 1.26 | 2.50 | 3.34 |
| 5 | 5.563 | 3 | 1.97 | 2.43 | 4.67 | 6.38 |
| 6 | 6.625 | 3-1/2 | 2.53 | 3.11 | 6.50 | 9.37 |
| 12 | 12.750 | 6 | 13.49 | 14.72 | 30.67 | 39.61 |
| 14 | 14.000 | 6-1/2 | – | 18.00 | 33.00 | 43.00 |
| 16 | 16.000 | 7 | – | 23.00 | 42.00 | 54.00 |
| 18 | 18.000 | 8 | – | 29.00 | 55.00 | 73.00 |
| 20 | 20.000 | 9 | – | 37.00 | 68.00 | 90.00 |
| 24 | 24.000 | 10-1/2 | – | 58.00 | 96.00 | 127.00 |
ASTM A403 Stainless Steel Stub End Dimensions
| Standard Range — Inches | Approximate Weight — Pounds | |||||
|---|---|---|---|---|---|---|
| Nominal Pipe Size | O.D. Outside Diameter | O.D. Outside Diameter of Lap | Length | Sch.5S | Sch.10S | |
| MSS | ASA | |||||
| 1-1/4 | 1.660 | 2.500 | 2.0 | 4.0 | .065 | .109 |
| 1-1/2 | 1.900 | 2.875 | 2.0 | 4.0 | .065 | .109 |
| 2 | 2.375 | 3.625 | 2.5 | 6.0 | .065 | .109 |
| 2-1/2 | 2.875 | 4.125 | 2.5 | 6.0 | .083 | .120 |
| 1/2 | 0.840 | 1.375 | 2.0 | 3.0 | .065 | .083 |
| 3/4 | 1.050 | 1.687 | 2.0 | 3.0 | .065 | .083 |
| 1 | 1.315 | 2.000 | 2.0 | 4.0 | .065 | .109 |
| 3 | 3.500 | 5.000 | 2.5 | 6.0 | .083 | .120 |
| 4 | 4.500 | 6.187 | 3.0 | 6.0 | .083 | .120 |
| 6 | 6.625 | 8.500 | 3.5 | 8.0 | .109 | .134 |
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Thickness Chart Of ASTM A 403 Cross
| DN | Schedule 10S | Schedule 40S | Schedule 80S | ||||||
|---|---|---|---|---|---|---|---|---|---|
| 90 °Elbow | 45 °Elbow | Equal tee | 90 °Elbow | 45 °Elbow | Equal tee | 90 °Elbow | 45 °Elbow | Equal tee | |
| 8 | 0.02 | 0.01 | 0.03 | 0.03 | 0.02 | 0.06 | 0.04 | 0.03 | 0.07 |
| 25 | 0.14 | 0.08 | 0.28 | 0.15 | 0.11 | 0.29 | 0.22 | 0.14 | 0.38 |
| 90 | 1.70 | 0.75 | 2.67 | 2.83 | 1.42 | 4.08 | 4.00 | 2.00 | 5.44 |
| 100 | 2.10 | 1.08 | 3.46 | 4.47 | 2.09 | 5.27 | 6.18 | 2.81 | 7.71 |
| 150 | 5.45 | 2.72 | 8.07 | 10.89 | 5.44 | 10.99 | 16.32 | 8.16 | 13.61 |
| 10 | 0.03 | 0.02 | 0.05 | 0.03 | 0.02 | 0.03 | 0.06 | 0.04 | 0.09 |
| 15 | 0.06 | 0.03 | 0.09 | 0.08 | 0.04 | 0.10 | 0.10 | 0.05 | 0.14 |
| 20 | 0.07 | 0.03 | 0.13 | 0.08 | 0.04 | 0.17 | 0.11 | 0.05 | 0.20 |
| 80 | 1.25 | 0.63 | 1.77 | 2.20 | 1.08 | 3.31 | 2.97 | 1.50 | 4.45 |
| 32 | 0.23 | 0.11 | 0.49 | 0.26 | 0.17 | 0.59 | 0.40 | 0.23 | 0.68 |
| 40 | 0.30 | 0.17 | 0.68 | 0.40 | 0.23 | 0.86 | 0.51 | 0.29 | 1.02 |
| 50 | 0.50 | 0.25 | 0.85 | 0.70 | 0.4 | 1.28 | 0.91 | 0.59 | 1.59 |
| 65 | 0.85 | 0.48 | 1.41 | 1.40 | 0.77 | 2.19 | 1.81 | 0.99 | 3.13 |
| 200 | 10.20 | 5.33 | 15.65 | 21.54 | 10.77 | 20.91 | 33.11 | 16.56 | 28.12 |
| 250 | 18.15 | 9.75 | 26.46 | 38.56 | 19.27 | 35.38 | 51.71 | 25.86 | 49.90 |
ASTM A 403 Elbow Tolerance Chart
| Nominal Diameter | O.D.For Bevel End | I.D.For End | Wall Thickness | Elbow | Tee | Reducer | Cap | 180°Elbow | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DN | NPS | A | B | C | M | H | E | O | K | Roughness | |||
| 15-65 | 1/2-2 1/2 | +1.6/-0.8 | 0.8 | -12.50% | 1.6 | 1.6 | 1.6 | 1.6 | 1.6 | 3.2 | 6.4 | 6.4 | 0.8 |
| 80-100 | 3-4 | 1.6 | 1.6 | 6.4 | |||||||||
| 125-200 | 5-8 | +2.4/-1.6 | |||||||||||
| 250-450 | 10-18 | +4/-3.2 | 3.2 | 2.4 | 2.4 | 2.4 | 2.4 | 2.4 | 9.6 | ||||
| 500-600 | 20-24 | +6.4/-4.8 | 4.8 | 3.2 | 3.2 | 3.2 | 3.2 | 4.8 | 9.6 | – | – | – | |
| 650-750 | 26-30 | ||||||||||||
| 4.8 | 4.8 | 4.8 | 4.8 | ||||||||||
| 800-1200 | 32-48 | ||||||||||||
| 1250-1500 | 50-60 | +9.6/-6.4 | 6.4 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | – | ||||
| 1550-1750 | 62-70 | +12.7/-9.6 | 9.6 | 12.7 | 12.7 | – | |||||||
| 1800-2000 | 72-80 | +16/-12 | 12 | 16 | 16 | ||||||||
Offer Polished and Pickled Finish SA 403 Reducer and End Pipe Cap Stock With Schedule 10S to 80S
SA 403 Reducer Surface Finishes
Trusted ASTM A403 Fittings Supplier in India delivering materials with superior resistance and reliability.
- Polished
- Pickled Finish
- Mill Finish
- Brushed Finish
- Pickled & Passivated
- Mirror Finish
- Electropolished
- Bead Blasted
ASTM A403 Stainless Steel Pipe Fittings Schedule Chart
| Schedule | SCH 160 | SCH 80S | SCH 40S | SCH 10S |
|---|---|---|---|---|
| 3/4 | 0.180 | 0.130 | 0.110 | 0.090 |
| 2-1/2 | 2.250 | 1.750 | 1.340 | 0.800 |
| 2 | 1.340 | 0.900 | 0.690 | 0.500 |
| 1-1/2 | 0.658 | 0.500 | 0.390 | 0.300 |
| 1 | 0.255 | 0.200 | 0.160 | 0.130 |
| 10 | – | 49.20 | 36.60 | 16.80 |
| 8 | – | 31.20 | 21.60 | 10.30 |
| 6 | 24.40 | 15.50 | 10.20 | 5.850 |
| 5 | 14.80 | 9.300 | 6.580 | 3.960 |
| 4 | 8.110 | 5.420 | 3.900 | 2.180 |
| 3-1/2 | 5.890 | 3.950 | 2.870 | 1.620 |
| 16 | – | – | 180.7 | 72.10 |
| 14 | – | – | 79.90 | 36.60 |
| 12 | – | 70.70 | 53.50 | 28.60 |
| 3 | 3.870 | 2.770 | 2.050 | 1.280 |
| 1/2 | 0.120 | 0.100 | 0.080 | 0.060 |
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ASTM A403 Material Documentations
- Certificate of Origin
- Fumigation Certificates
- Raw Material Test Reports
- Material Traceability Records
- Heat Treatment Charts
- Material Test Certificates (MTC)
- NABL approved Laboratory Test Reports
- Quality Assurance Plan (QAP)
ASTM A403 Welded Fittings Equivalent Material
Reliable ASTM A403 Fittings Manufacturer in India with a commitment to innovation and product integrity.
| Grades | UNS | EN | Werkstoff No. | JIS | BS |
|---|---|---|---|---|---|
| 304 | S30400 | X5CrNi18-10 | 1.4301 | SUS 304 | 304S31 |
| 304L | S30403 | X2CrNi18-9 | 1.4307 | SUS 304L | 304S11 |
| 304H | S30409 | X6CrNi18-10 | 1.4948 | SUS 304H | 304S51 |
| 316 | S31600 | X5CrNiMo17-12-2 | 1.4401 | SUS 316 | 316S31 |
| 316L | S31603 | X2CrNiMo17-12-2 | 1.4404 | SUS 316L | 316S11 |
| 316H | S31609 | X6CrNiMo17-12-2 | 1.4919 | SUS 316H | 316S51 |
| 317 | S31700 | X10CrNiMo20-12-2 | 1.4449 | SUS 317 | 317S31 |
| 317L | S31703 | X2CrNiMo18-15-4 | 1.4438 | SUS 317L | 317S11 |
| 321 | S32100 | X6CrNiTi18-10 | 1.4541 | SUS 321 | 321S31 |
| 321H | S32109 | X10CrNiTi18-10 | 1.4878 | SUS 321H | 321S51 |
| 347 | S34700 | X6CrNiNb18-10 | 1.4550 | SUS 347 | 347S31 |
| 347H | S34709 | X10CrNiNb18-10 | 1.4961 | SUS 347H | 347S51 |
| 904L | N08904 | X1NiCrMoCu25-20-5 | 1.4539 | SUS 890L | 904S13 |
Chemical Composition of ASTM A403 Buttweld Fittings
| Grade | Ni | C | Cr | Mo |
|---|---|---|---|---|
| 304 | 8.00- 12.00 | 0.08 | 18.00- 20.00 | – |
| 304L | 8.00- 12.00 | 0.035 | 18.00- 20.00 | – |
| 310S | 19.00- 22.00 | 0.08 | 24.00- 26.00 | – |
| 316 | 10.00- 14.00 | 0.08 | 16.00- 18.00 | 2.00- 3.00 |
| 316L | 10.00- 14.00 | 0.035 | 16.00- 18.00 | 2.00- 3.00 |
| 316H | 10.00- 14.00 | 0.04- 0.10 | 16.00- 18.00 | 2.00- 3.00 |
| 316Ti | 10.00- 14.00 | 0.08 | 16.00- 18.00 | 2.00- 3.00 |
| 317L | 11.00- 15.00 | 0.035 | 18.00 – 20.00 | 3.00 – 4.00 |
| 321 | 9.00 – 12.00 | 0.08 | 17.00 – 19.00 | – |
| 347 | 10.00 – 14.00 | 0.08 | 16.00 – 18.00 | – |
| 347H | 9.00- 13.00 | 0.04 – 0.10 | 17.00 – 20.00 | – |
| 904L | 23.00 – 28.00 | 0.02 | 19.00- 23.00 | – |
A403 Stainless Steel Fittings Mechanical Properties
| Grades | Yield Strength (0.2% Proof) (MPa / ksi) |
Tensile Strength(MPa / ksi) | Elongation(% in 50 mm) | Hardness (Max) Rockwell B (HRB) |
Hardness (Max)Brinell (HB) |
|---|---|---|---|---|---|
| 304 | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 304L | 170 / 25 | 485 / 70 | 40 | 95 | 217 |
| 304H | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 316 | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 316L | 170 / 25 | 485 / 70 | 40 | 95 | 217 |
| 316H | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 317 | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 317L | 170 / 25 | 485 / 70 | 40 | 95 | 217 |
| 321 | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 321H | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 347 | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 347H | 205 / 30 | 515 / 75 | 40 | 95 | 217 |
| 904L | 220 / 32 | 490 / 71 | 35 | 95 | 217 |
A403M Buttweld Fittings Physical Properties
| Grades | Density(g/cm³) | Melting Point(°C) | Thermal Conductivity(W/m·K) | Specific Heat Capacity(J/kg·K) | Electrical Resistivity(μΩ·cm) |
|---|---|---|---|---|---|
| 304 | 8.0 | 1400-1450 | 16 | 500 | 72 |
| 304L | 8.0 | 1400-1450 | 16 | 500 | 72 |
| 304H | 8.0 | 1400-1450 | 16 | 500 | 72 |
| 316 | 8.0 | 1375-1400 | 16 | 500 | 72 |
| 316L | 8.0 | 1375-1400 | 16 | 500 | 72 |
| 316H | 8.0 | 1375-1400 | 16 | 500 | 72 |
| 317 | 8.0 | 1375-1400 | 16 | 500 | 72 |
| 317L | 8.0 | 1375-1400 | 16 | 500 | 72 |
| 321 | 7.9-8.0 | 1400-1450 | 16 | 500 | 72 |
| 321H | 7.9-8.0 | 1400-1450 | 16 | 500 | 72 |
| 347 | 8.0 | 1400-1450 | 16 | 500 | 72 |
| 347H | 8.0 | 1400-1450 | 16 | 500 | 72 |
| 904L | 8.0 | 1380-1420 | 14 | 450 | 72 |
Time of Delivery for ASTM A403 Fittings per Country
| Export to | Shipping Time in Days |
|---|---|
| Netherland | 30 |
| Spain | 30 |
| Uk | 30 |
| Russia | 20 |
| Belgium | 40 |
| Germany | 21 |
| France | 28 |
| Ukraine | 60 |

