ASTM B163 UNS N08800 ASME SB163 800 nickel alloy seamless tubes are manufactured for the condenser and heat-exchanger service, ASTM B163 UNS N08800 Nickel alloy seamless tubes exhibit excellent strength at elevated temperatures and good corrosion resistance in a variety of corrosive environments. B163 800 Seamless Nickel Tubing finished in Bright Annealed condition.
The sizes covered by ASTM B163 specification are 3 in. (76.2 mm) and under in outside diameter with minimum wall thicknesses of 0.148 in. (3.76 mm) and under, and with average wall thicknesses of 0.165 in. (4.19 mm) and under. small diameter and light wall tube (converter sizes) are defined. ASTM B163/ASME SB163 U bent tubes are offered following the requirements of the specification.
ASTM B163 UNS N08800 ASME SB163 800 Seamless Nickel Alloy Tubes
| Standard | ASTM B163, ASME SB163 |
|---|---|
| Tube Type | Seamless Tube |
| Alloy | UNS N08800 800 |
| Tube Form | Straight Tubes And U-Bend Tubes |
| Outside Diameter | 6 – 76.2 Mm |
| Thickness | 0.8 – 6 Mm |
ASTM B163 UNS N08800 Chemical Composition
UNS N08800 material is a nickel-iron-chromium alloy containing 30.0 To 35.0% nickel, and 19.0 To 23.0% Chromium, with good strength and excellent resistance to oxidation and carburization in high-temperature exposure. UNS N08800 equivalent is WNR 1.4876.
| Alloy | Nickel | Copper | Manganese, | Iron | Sulfur | Carbon | Silicon | Chromium | Aluminum | Titanium |
|---|---|---|---|---|---|---|---|---|---|---|
| UNS N08800 | 30.0 To 35.0 | 0.75 max | 1.5 Max | 39.5 min | 0.015 Max | 0.10 max | 1.0 max | 19.0 To 23.0 | 0.15 To 0.60 | 0.15 To 0.60 |
ASTM B163 UNS N08800 Mechanical Properties
| Material And Condition | Tensile Strength Min. Ksi(MPa) | Yield Strength(0.2% Offset)Min,Ksi(MPa) | Elongation In 2in. Or 50mm(Or 4D)Min. % |
|---|---|---|---|
| Annealed Alloy UNS N08800 | 75(517) | 30(207) | 30 |
Permissible Variations In Outside Diameter And Wall Thickness Of Condenser And Heat Exchanger Tubes
| Material | Nominal Outside Diameter, In. (Mm) | Permissible Variations [Note(1)] | |||||
|---|---|---|---|---|---|---|---|
| Outside Diameter, In. (Mm) | Wall Thickness, % | ||||||
| Anerage Wall | Minimum Wall | ||||||
| + | – | + | – | + | – | ||
| UNS N02200, UNS N02201, And UNS N04400 | 1/2 To 5/8 (12.7 To 15.9),Excl | 0.005(0.13) | 0 | 12.5 | 12.5 | 25.0 | 0 |
| 8/5 To 1 1/2(15.9 To 38.1), Incl | 0.005(0.13) | 0.005(0.13) | 10.0 | 10.0 | 20.0 | 0 | |
| Over 1 1/2 To 3(38.1 To 76.2), Incl | 0.010(0.25) | 0.010(0.25) | 10.0 | 10.0 | 22.0 | 0 | |
| UNS N06600, UNS N066090, UNS N06045, UNS N06025, UNS N08800, UNS N08810, UNS N08811, UNS N08801, And UNS N08825 | 1/2 To 5/8 (12.7 To 15.9), Excl | 0.005(0.13) | 0.005(0.13) | 12.5 | 12.5 | 25.0 | 0 |
| 8/5 To 1 1/2 (15.9 To 38.1), Incl | 0.0075(0.19) | 0.0075(0.19) | 10.0 | 10.0 | 20.0 | 0 | |
| Over 1 1/2 To 3 (38.1 To 76.2), Incl | 0.010(0.25) | 0.010(0.25) | 10.0 | 10.0 | 22.0 | 0 | |
Inspection and Testing
UNS N08800 Nickel Alloy Seamless Tubes are tested according to ASTM B163/SB163 standards, these tests include electric non-destructive testing, flaring testing, hydrostatic testing, flattening testing, visual surface inspection, dimensional inspection, tensile properties inspection and chemical elements analysis, bend test, hydrostatic, eddy Current, Heat Treatment, Hardness, Flaring test, I.C.test.