ASTM A333 / A333M Grade 7
Chemical Properties
|
| Element |
Grade 7 |
| Carbon, max |
0.19 |
| Manganese |
0.90 max |
| Phosphorus, max |
0.025 |
| Sulfur, max |
0.025 |
| Silicon |
0.10 min |
| Nickel |
0.40 max |
| Chromium |
0.30 max |
| Copper |
0.40 max |
Note:
A For each reduction of 0.01 % carbon below 0.30 %,
an increase of 0.05 % manganese above 1.06 % would be permitted to a
maximum of 1.35 % manganese.
Mechanical Properties
| Tensile strength, min, psi [MPa] |
Yield strength, min, psi [MPa] |
Elongation in 2 in. or 50 mm |
| Basic minimum elongation |
proportionally
smaller size test
|
For longitudinal strips tests |
| Longitudinal |
Transverse |
Longitudinal |
Transverse |
Longitudinal |
Transverse |
| psi |
MPa |
psi |
MPa |
psi |
MPa |
| psi |
60 000 |
35 000 |
30 |
16.5 |
22 |
12 |
1.50B |
| MPa |
415 |
240 |
Note:
A Elongation of Grade 11 is for all walls and small
sizes tested in full section.
B The calculated minimum values.
Products
