ASTM B668
This specification covers UNS N08028 seamless coldfinished or hot finished pipe and tube intended for general corrosive service. The general requirements are covered in Specification B 829. The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
Chemical Properties
| Carbon, max | Silicon, max | Manganese, max | Phosphorus, max | Sulfur, max | Chromium | Nickel | Molybdenum | Copper | Iron |
|---|---|---|---|---|---|---|---|---|---|
| 0.030 | 1.0 | 2.50 | 0.030 | 0.030 | 26.0–28.0 | 30.0–34.0 | 3.0–4.0 | 0.6–1.4 | remainderA |
Note: A Determined arithmetically by difference.
Mechanical Properties
|
Tensile Strength, min, ksi (MPa) |
Yield Strength, 0.2 % Offset, min, ksi (MPa) |
Elongation in 2 in. (50.8 mm) or 4D, min, % |
|---|---|---|
| 73 [500] | 31 [214] | 40 |
