Category Archives: Specification

F3125 Permitted Coatings

Bolt F2329 Hot Dip Galvanizing B695 Mechanical Galvanizing F1136 Zinc/Aluminum (Geomet) F2833 Zinc/Aluminum A325 Approved Class 55 Grade 3 Grade 1 F1852 Not Approved Class 55 Not Approved Not Approved A490 Not Approved Not Approved Grade 3 Grade 1 F2280 Not Approved Not Approved Not Approved Not Approved *Other coatings may be used on 120ksi/A325... Read more

Bolt F2329 Hot Dip Galvanizing B695 Mechanical Galvanizing F1136 Zinc/Aluminum (Geomet) F2833 Zinc/Aluminum A325 Approved Class 55 Grade 3 Grade 1 F1852 Not Approved Class 55 Not Approved Not Approved A490 Not Approved Not Approved Grade 3 Grade 1 F2280 Not Approved Not Approved Not Approved Not Approved *Other coatings may be used on 120ksi/A325... Read more

F959 Acceptable Compression Load Range

Diameter Type 325 and 325-3, in kips Type 490 and 490-3, in kips 1/2 12 – 14 15 – 18 5/8 19 – 23 24 – 29 3/4 28 – 34 35 – 42 7/8 39 – 47 49 – 59 1 51 – 61 64 – 77 1-1/8 56 – 67 80 – 96... Read more

Diameter Type 325 and 325-3, in kips Type 490 and 490-3, in kips 1/2 12 – 14 15 – 18 5/8 19 – 23 24 – 29 3/4 28 – 34 35 – 42 7/8 39 – 47 49 – 59 1 51 – 61 64 – 77 1-1/8 56 – 67 80 – 96... Read more

A320 Mechanical Properties

Grade Diameter Tensile, ksi, min Yield, ksi, min Charpy Impact 20-ft-lbf @ temp Elong, %, min RA, %, min L7 Up to 21⁄2 125 105 -150° F 16 50 L43 Up to 4 125 105 -150° F 16 50 Class 1: B8, B8C, B8M, B8P, B8F, B8T, B8LN, B8MLN All 75 30 N/A 30 50... Read more

Grade Diameter Tensile, ksi, min Yield, ksi, min Charpy Impact 20-ft-lbf @ temp Elong, %, min RA, %, min L7 Up to 21⁄2 125 105 -150° F 16 50 L43 Up to 4 125 105 -150° F 16 50 Class 1: B8, B8C, B8M, B8P, B8F, B8T, B8LN, B8MLN All 75 30 N/A 30 50... Read more

A193 Mechanical Properties

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min HBW Rockwell B7 Up to 2-1/2 125 105 16 50 321 max 35 HRC max 2-5/8 – 4 115 95 16 50 4-1/8 – 7 100 75 18 50 B8 Class 1 All 75 30 30 50 223 max 96 HRB... Read more

Grade Size Tensile ksi, min Yield, ksi, min Elong, %, min RA % min HBW Rockwell B7 Up to 2-1/2 125 105 16 50 321 max 35 HRC max 2-5/8 – 4 115 95 16 50 4-1/8 – 7 100 75 18 50 B8 Class 1 All 75 30 30 50 223 max 96 HRB... Read more