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-3 -3

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    1

    -3
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    1

    -3
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    1

    -3

:
690 700 .


5-10





: -7
-7


-3 -3 ( -) 6507-1-2007 2999-75. . . "" (. ) ( 8.063-2012), "//" , -, , ( ) ( ) - . . "", ASTM E-140.

, , , , - , , , : , , , , ..

-3 -3:

-3 ( ), .

: 690700 .

-3:

  • "" :HV() HK ()
  • "" 14 , -, ( / 2"" ):HRA, HRB, HRC, HRD, HRF, HV, HK, HBW, HR15N, HR30N, HR45N, HR15T, HR30T, HR45T
  • , , .
  • 60 : , , , , -,
  • 8"
  • - : / / / / / /. /. / // .
  • .
  • ,, - .

-3 -3 ( ) . 3 3 .

: 790700 .

-3:

  • "" :HV() HK ().
  • "" 14 , -, ( / 2"" ):HRA, HRB, HRC, HRD, HRF, HV, HK, HBW, HR15N, HR30N, HR45N, HR15T, HR30T, HR45T.
  • , , .
  • 60 : , , , , -, .
  • 8" .
  • - : / / / / / /. /. / // .
  • .
  • , , , .
  • ,  , - , .

-3/-3

, HV

HV 0,01; HV 0,025

50 350

HV 0,05

50 550

HV 0,1

50 850

HV 0,2; HV 0,3

50 1000

HV 0,5; HV 1

50 1500

HV

>50≥200

>200≥350

>350≥550

>550≥850

>850

, HV, ()

HV0,01

20,0

35,0

HV0,025

20,0

35,0

HV0,05

20,0

35,0

65

HV0,1

15,0

35,0

60,0

100,0

HV0,2

15,0

30,0

60,0

100,0

110,0

HV0,3

15,0

25,0

45,0

90,0

110,0

HV0,5

10,0

20,0

35,0

70,0

120,0

HV1

8,0

15,0

25,0

50,0

75,0

, ()

, %

0,098 (0,010)

1,5

0,245 (0,025)

1,5

0,490 (0,050)

1,5

0,981 (0,100)

1,5

1,961 (0,200)

1,0

2,942 (0,300)

1,0

4,903 (0,500)

1,0

9,807 (1,000)

1,0

(d),

(d),

0,02≤d≤0,040

0,0004

0,040

0,01∙d

, ()

, %






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