Specifications | Minimum tensile strength (p.s.i.) welded condition1 | Minimum elongation in 2 inches (percent) welded condition (longitudinal) |
AAR TC 128, Gr. B | 81,000 | 19 |
ASTM A 3022, Gr. B | 80,000 | 20 |
ASTM A 5162 | 70,000 | 20 |
ASTM A 5372, Class 1 | 70,000 | 23 |
1 Maximum stresses to be used in calculations.
2 These specifications are incorporated by reference (IBR, see § 171.7 of this subchapter).
Specifications | Minimum tensile strength (p.s.i.) 0 temper, welded condition3 4 | Minimum elongation in 2 inches (percent) 0 temper, welded condition (longitudinal) |
ASTM B 209, Alloy 50521 | 25,000 | 18 |
ASTM B 209, Alloy 50832 | 38,000 | 16 |
ASTM B 209, Alloy 50861 | 35,000 | 14 |
ASTM B 209, Alloy 51541 | 30,000 | 18 |
ASTM B 209, Alloy 52541 | 30,000 | 18 |
ASTM B 209, Alloy 54541 | 31,000 | 18 |
ASTM B 209, Alloy 56521 | 25,000 | 18 |
1 For fabrication, the parent plate material may be 0, H112, or H32 temper, but design calculations must be based on minimum tensile strength shown.
2 0 temper only.
3 Weld filler metal 5556 must not be used.
4 Maximum stress to be used in calculations.
Specifications | Minimum tensile strength (p.s.i.) welded condition1 | Minimum elongation in 2 inches (percent) weld metal (longitudinal) |
ASTM A 240/A 240M (incorporated by reference; see§ 171.7 of this subchapter), Type 304L | 70,000 | 30 |
ASTM A 240/A 240M (incorporated by reference; see§ 171.7 of this subchapter), Type 316L | 70,000 | 30 |
1 Maximum stresses to be used in calculations.
Test procedures | Material | Corrosion rate i.p.m. |
Practice B | Types 304L and 316L | 0.0040 |
Practice C | Type 304L | 0.0020 |
49 C.F.R. §§179.100-7