high strength TC bolt for structural steel joint
1. Spec.: American standard
2. Materials: Mild steel(Carbon steel)
3.Grade: 10.9s
4. Other specs we can do for TC bolts: ASTM F2280(A490TC), GB3632, ASTM F1852(A325TC),S10T
5.Finsih: plain, black, phosphating,Dacromet,ect.
 
5. Finish: Plain, Black oxide, Hot Dip Galvanized, Dacromet,ect.
 
6. Classes and Grades:

Classes and Grades
Combination of grade according to mechanical properties
                              of compontet parts
 


 
BOLT
 
NUT		 WASHER

 
A325TC 8.8
 
F1852 TYPE1		 ASTM A563DH F436 TYPE1

A490TC 10.9
F2280 TYPE1		 ASTM A563DH F436 TYPE1

7.  Hardness Requirements for BOLT, nut and washer

 
 
BOLT		 NUT(F10) WASHER(F35)

 
Hardness
 HRC25~34
 
HRB95-HRC35
 
HRC35-45

 
8. Mechanical properties for S10T bolt:

Properties
Tensile strength
         (psi)
       proof load
             (psi)

A325TC
 
≥120000(1/2~1")
≥105000(1-1/8")
85000 (1/2~1")
74000 (1 1/8")

 A490TC
150000~173000		 120000

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