1.Standard
American Standard:ASME SB1672. Chemical Composition
Elements | C | Mn | P | S | Si | Cr | Mo | Ni | Ti | Nb | Cu | Fe | Al |
Min | 14 | 72 | 6 | ||||||||||
Max | 0.15 | 1.0 | 0.015 | 0.5 | 17 | 0.5 | 10.0 | ||||||
Actual value | 0.04 | 0.03 | 0.004 | 0.002 | 0.08 | 16.3 | 0.01 | 75.4 | 0.03 | 6.12 |
3.Mechanical Properties
Cold worked and annealed
OD | Mechanical Properties |
Tensile Strength MPa |
Yield Strength MPa |
Elongation % |
OD≤127mm | Min | 550 | 240 | 30 |
Max | ||||
Actual value | 624 | 321 | 44 | |
OD>127mm |
Min | 550 | 205 | 35 |
Max | ||||
Actual value | 708 | 304 | 46 |
4. Typical Size
Size |
Outside Diameter |
Tolerance of Outside Diameter |
Wall thickness |
Tolerance of Wall Thickness |
76*8 | 76 | ±0.25 | 8 | ±10%S |
5. Typical Application Environment
1) Evaporation can, acid and alkali industrial machinery used in petrochemical production, catalytic regenerator.
2) The curved neck bottles and components in heat treatment furnaces, especially in carbonization and nitride gases.
3) Nuclear reactor power generation equipment, heat exchanger.
4) Anti-chlorine and fluorine corrosion: organic or inorganic chloride and fluoride production
5) The production and use of caustic alkali metals, especially the use of sulfides.