ASME SA 209 Grade T1b Alloy Steel Seamless Tubes have a typical chemistry with additions of 0.44-0.65 Molybdenum. Bearing minimum tensile strength of 415 Mpa ASME SA 209 Grade T1b Tubes have a minimum yield strength of 220 Mpa.
Seamless carbon molybdenum alloy steel boiler and superheater tubes.
Chemical Properties:
| Carbon: 0.14 max | Silicon: 0.10-0.50 |
| Manganese: 0.30-0.80 | Nickel: n/a |
| Potassium: 0.025 | Chromium: n/a |
| Sulfur: 0.025 | Molybdenum: 0.44-0.65 |
Mechanical Properties:
Tensile Strength:
ksi: 53
MPa: 365
Yield:
ksi: 28
MPa: 193
Elongation in 2in. or 50mm, min. %: 30
Max. Hardness Rockwell B: 77
