Absolutely not! ASTM A193 grade B7 is not an acceptable substitution since F1554 grade 55 has a maximum tensile strength requirement of 95 ksi and A193 grade B7 has a minimum tensile strength requirement of 125 ksi.
Absolutely not! ASTM A193 grade B7 is not an acceptable substitution since F1554 grade 55 has a maximum tensile strength requirement of 95 ksi and A193 grade B7 has a minimum tensile strength requirement of 125 ksi.