ASTM A333 / A333M Grade 11

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.

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