Which Bolt Grades can be Galvanized?

Grade Can I Galvanize? Raw material Nominal Size Minimum Yield Strength Minimum Tensile Strength Minimum Hardness
ASTM F1554 Grade 55 Yes Low Alloy Steel 12” – 4″ 55 75
ASTM F3125/A325 Yes Medium Carbon Steel,
Quenched and Tempered
12” – 112 92 120 C25
ASTM A449 Yes 14” – 1″
118” – 112
158” – 3″
92
81
58
120
105
90
C25
C19
B91
SAE J429 Grade 5 Yes 14” – 1″
118” – 112
92
81
120
105
C25
C19
ASTM A193 Grade B7 Yes Medium Carbon Alloy Steel,
Quenched and Tempered
14” – 212
258” – 4″
105
95
125
115
NA
ASTM A354 Grade BC Yes 14” – 212
258” – 4″
109
99
125
115
C26
C22
ASTM F1554 Grade 105 Yes 12” – 3″ 105 125 NA
ASTM A320 Grade L7 Yes 14” – 212 105 125 NA
ASTM F3125/A490 No 12” – 112 130 150 C33
ASTM A354 Grade BD No  12” – 4″ 130 150 C33
SAE J429 Grade 8 No 14” – 112 130 150 C33

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