The most common heavy hex head screw these steel screws meet astm a325 regulations for structural joints such as mating i beams and scaffolding.
Astm a325 bolts mechanical properties.
Material meets astm f3125 specifications for quality.
This specification covers the chemical physical and mechanical requirements for structural bolts manufactured from steel and alloy steel in two strength grades two styles and two types.
A325 a325m a490 a490m.
Prior to its withdrawl in 2016 the astm a325 specification covered high strength heavy hex structural bolts from 1 2 diameter through 1 1 2 diameter.
Astm a325 type 3 specification for heat treated weathering steel structural bolts steel heat treated with 120 ksi minimum tensile strength astm a325 type 3 is a standard material specification for high strength weathering steel fasteners for use in high tensile structural bolting and other general purpose applications.
One thing to note is that with the implementation of astm f3125 grade a325 the mechanical properties differ slightly as indicated below.
Astm a325 astm a325 is an astm international standard for heavy hex structural bolts titled standard specification for structural bolts steel heat treated 120 105 ksi minimum tensile strength.
A325 structural bolts astm a325 covers high strength structural bolts used in structural steel connections.
Note 1 bolts for general applications including anchor bolts are covered by specification a 449 also refer to specification a 449 for quenched and tempered steel bolts and studs with diameters greater than 1 in.
A325s have a heavy hex head a full body diameter and are normally short in overall length since they are connecting steel to steel.
It defines mechanical properties for bolts that range from 1 2 to 1 1 2 in diameter.
Dimensions meet asme b18 2.
Properties below are the chemical and mechanical requirements per the astm a325 specification.
Astm a325 is an astm international standard for heavy hex structural bolts titled standard specification for structural bolts steel heat treated 120 105 ksi minimum tensile strength.
Length is measured from under the head.
No other units of measurement are included in this standard.
Astm a325 is an astm international standard for heavy hex structural bolts titled standard specification for structural bolts steel heat treated 120 105 ksi minimum tensile strength.
In addition you will find the estimated mechanical property requirements for each diameter of bolt required.
It defines mechanical properties for bolts that range from 1 2 to 1 1 2 inches 13 to 38 mm in diameter.
1 4 the values stated in inch pound units are to be regarded as standard.
This specification is a consolidation of and replacement for six astm standards ranging from 1 2 through 1 1 2 diameter.
Partially threaded screws come with precise threaded and unthreaded portions allowing you to place only the.
