Standard | Material Type&Grade | Normal Size(in.) | Length | Screw Thread | Ob | 00.2 | δ4 | ψ | Hardness | |
(MPa) | (MPa) | (%) | (%) | Hardness | ||||||
ASME B 18.2.6 ASME B 18.2.6M |
A307 | A | All diameters | to order | ASME/ANSIB 1.1 | ≥415 | 18 | HB121~241 | ||
B | All diameters | 415~690 | HB121~212 | |||||||
A325 | Type 1 | 0.5~1 IN | ≥825 | HB253~319 | ||||||
Type 1 | 1.125~1.5 IN | ≥725 | HB223~286 | |||||||
A354 | BC | 0.25~2.5 IN | ≥862 | ≥752 | 16 | 50 | HB255~331 | |||
>2.5 IN | ≥793 | ≥683 | 45 | HB235~311 | ||||||
BD | 0.25~2.5 IN | ≥1034 | ≥896 | 14 | 40 | HB311~363 | ||||
>2.5 IN | ≥965 | ≥793 | HB293~363 |