U Bolts By Harshad Engineering Works

Property

4.6

4.8

5.6

8.8

10.9

12.9

Tensile strength Kg mm² min

40

42

50

80

104

122

Brinnel Hardness min
HB10 / 3000 max

114

124

147

219

295

353

209

209

209

285

362

412

Yield stress Kg mm² min

24

34

30

-

-

-

Stress at permanent Kg mm² min
Set limit of 0.2%

-

-

-

64

94

110

Elongation after Fracture min %

22

14

20

12

9

8

Property

B

P

S

T

V

X

Tensile strength Kg mm² min

44.1

55.1

78.8

86.6

102.4

118.1

Brinnel Hardness min
HB10 / 3000 max

-

150

225

250

290

340

-

240

315

340

395

445

Stress at permanent Kg mm² min
Set limit of 0.2%

-

31.5

59.9

64.6

78.0

94.5

Elongation after Fracture min %

17

15

18

16

14

12

Property

B

P

R

T

V

X

Tensile strength Kg mm² min

44.1

55.1

70.9

86.6

102.4

118.1

Brinnel Hardness min
HB10 / 3000 max

-

152

201

248

293

341

-

240

285

335

370

410

Stress at permanent Kg mm² min
Set limit of 0.2%

-

-

53.6

64.6

81.9

99.2

Elongation after Fracture min %

17

15

20

16

14

12