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.
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5. Finish: Plain, Black oxide, Hot Dip Galvanized, Dacromet,ect.
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6. Classes and Grades:
Classes and Grades |
Combination of grade according to mechanical properties
                             of compontet parts
 |
|
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BOLT
 |
NUT |
WASHER |
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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
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 |
BOLT |
NUT(F10) |
WASHER(F35) |
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Hardness |
 HRC25~34 |
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HRB95-HRC35 |
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HRC35-45 |
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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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