tornillos tabla dureza bulones

Buln Marca en laResistencia a

la

Resistencia a

la

Alargamiento

de rotura

Norma Cabeza Traccin en Traccin en en % min.

Kg/mm Mpa

DIN 267

Grado 5.6

DIN 267

Grado 8.8

DIN 267

Grado 10.9

DIN 267

Grado 12.9

SAE J 429

Grado 5

SAE J 429

Grado 8

ASTM

A 307 B

ASTM

A 193 B7

ASTM

A 325

ASTM

A 490

Importante:

Las Calidades que Estn en Cursiva NO son de uso estandard en nuestro pas, por lo tanto no

mantenemos un stock de las mismas, se fabrican sobre pedido

14

105,5/119,3 33-38 HRC 1035 - 1170 14

73,83 Min 23 - 35 HRC 724

18

87,90 24 - 30 HRC 862 16

42,32 69 - 95 HRB 415

14

105 Min 33 - 39 HRC 1030 12

84

12

25 - 34 HRC 824

9

120/140 34 - 39 HRC 1177 - 1373 8

80 / 100 18 - 31 HRC 794 - 981

27 - 38 HRC 981 - 1177100 / 120

TABLA COMPARATIVA DE PROPIEDADES FISICAS

NORMAS DIN - ASTM - SAE

Dureza

50 / 70 78 - 95 HRB 490 - 686 20

ASTM, SAE AND ISO GRADE MARKINGS AND MECHANICAL PROPERTIES FOR STEEL FASTENERS

Identification Fastener

Nominal

Size

Grade Mark Description Range (in.) Proof Load

(psi)

SAE J429 Bolts,

Grade 1 Screws,

No Studs

Grade ASTM A307

Mark Grades A&B

SAE J429 55,000

Grade 2 33,000

SAE J429

Grade 4

No

Grade

Mark

ASTM A193

Grade B5

B5

ASTM A193

Grade B6

B6

ASTM A193 1/4 thru 2-1/2 --

Grade B7

Over 2-1/2

thru 4 --

B7 Over 4 thru 7 --

ASTM A193

Grade B16

B16

ASTM A193

Grade B8

B8

ASTM A193

Grade B8C

B8C

ASTM A193

Grade B8M

B8M

ASTM A193 Bolts,

Grade B8T Screws,

Low Carbon

Steel 1/4 thru 4 --

Low or

Medium

Carbon Steel

1/4 thru 3/4

Over 3/4 to 1-

1/2

Specification Material

Mechanical Properties

Low or

Medium

Carbon Steel 1/4 thru 1-1/2 33,000

AISI 410

Studs

Medium

Carbon Cold

Drawn Steel 1/4 thru 1-1/2 --

AISI 347

AISI 316

AISI 501

1/4 Thru 4 --

1/4 and

larger --

AISI 4140,

4142, OR

4105

CrMoVa

Alloy Steel

AISI 304

1/4 and

larger --

AISI 321

B8T

Studs for

High-

Temperature

Service

ASTM A193 AISI 304 1/4 thr 3/4 --

Grade B8

Strain

Hardened

Over 3/4 thru

1 --

B8

Over 1 thru 1-

1/4 --

ASTM A193 AISI 347

Over 1-1/4

thru 1-1/2 --

Grade B8C

Strain

Hardened

B8C

ASTM A193 AISI 316

Grade B8M

Strain

Hardened

B8M

ASTM A193 AISI 321

Grade B8T

Strain

Hardened

B8T

ASTM A320 Bolts, AISI 4140,

Grade L7 Screws, 4142 or 4145

L7

Studs for

Low-

Temperature

Service

ASTM A320

Grade L7A

L7A

ASTM A320

Grade L7B

L7B

ASTM A320

Grade LC7

L7C

ASTM A320

Grade L43

L43

ASTM A320 Bolts,

Grade B8 Screws,

B8

Studs for

Low-

Temperature

Service

ASTM A320

Grade B8C

B8C

1/4 and

larger --

AISI 4037

AISI 4137

AISI 8740

AISI 4340

1/4 thru 2-1/2 --

AISI 321

--

1/4 thru 4 --

AISI 347

AISI 304

1/4 and

larger

ASTM A320

Grade B8T

B8T

ASTM A320 AISI 303

Grade B8F or 303Se

B8F

ASTM A320

Grade B8M

B8M

ASTM A320 1/4 thru 3/4 --

Grade B8

Over 3/4 thru

1 --

B8

Over 1 thru 1-

1/4 --

ASTM A320

Over 1-1/4

thru 1-1/2 --

Grade B8C

B8C

ASTM A320 AISI 303

Grade B8F or 303Se

B8F

ASTM A320

Grade B8M

B8M

ASTM A320

Grade B8T

B8T

SAE J429 Bolts, 1/4 thru 1 85,000

Screws,

Over 1 to 1-

1/2 74,000

Grade 5 Studs

1/4 thru 1 85,000

Over 1 to 1-

1/2 74,000

Over 1-1/2

thru 3 55,000

SAE J429 No. 6

thru 3/8

Grade 5.1

SAE J429 Bolts,

Screws,

--

AISI 304

AISI 347

AISI 316

AISI 321

AISI 321

AISI 316

1/4 and

larger

Medium

Carbon

Steel,

Quenched

and

TemperedASTM A449

Sems

Low or

Medium

Carbon

Steel,

Quenched

and

Tempered 85,000

Low Carbon

Martensitic

Steel,

Quenched

and

Tempered 1/4 thru 1 85,000

Grade 5.2 Studs

ASTM A325

High

Strength 1/2 thru 1 85,000

Type 1

Structural

Bolts

1-1/8 thru 1-

1/2 74,000

A325

ASTM A325

Type 2

A325

ASTM A325 1/2 thru 1 85,000

Type 3

1-1/8 thru 1-

1/2 74,000

A325

ASTM A354 Bolts, 1/4 thru 2-1/2 80,000

Grade BB Studs 2-3/4 thru 4 75,000

BB

ASTM A354 105,000

Grade BC 95,000

BC

SAE J429 Bolts,

Screws,

Grade 7

SAE J429 Bolts,

Screws,

Grade 8 Studs

ASTM A354

Grade BD

SAE J429

Grade 8.1

No Grade

Mark

Low Carbon

Martensitic

Steel,

Quenched

and


Atmospheric

Corrosion

Resisting

Steel,

Quenched

and

Tempered

Alloy Steel,

Quenched

and

Tempered

Medium

Carbon

Steel,

Quenched

and

Tempered

Low Carbon

Martensitic

Steel,

Quenched

and


Medium

Carbon Alloy

Steel,

Quenched

and

Tempered

1/4 thru 1-1/2 120,000

Alloy Steel,

Quenched

and

Tempered 4

Medium

Carbon Alloy

Steel,

Quenched

and

Tempered 4 1/4 thru 1-1/2 105,000

Studs

Medium

Carbon Alloy

or SAE 1041

Modified

Elevated

Temperature

Drawn Steel 1/4 thru 1-1/2 120,000

A490

ISO R898 Bolts, All Sizes

Class 4.6 Screws, thru 1-1/2

No Grade Studs

Mark

ISO R898

Class 5.8

No Grade

Mark

8.8 ISO R898

Class 8.8

or

88

10.9 ISO R898

Class 10.9

or

109

120,000ASTM A490

High

Strength

Structural

Bolts

Alloy Steel,

Quenched

and

Tempered 1/2 thru 1-1/2

Medium

Carbon

Steel,

Quenched

and

Tempered

33,000

55,000

Alloy Steel,

Quenched

and

Tempered

85,000

120,000

ASTM, SAE AND ISO GRADE MARKINGS AND MECHANICAL PROPERTIES FOR STEEL FASTENERS

Yield

Strength

Tensile

Strength

Min (psi) Min (psi)

57,000 74,000

36,000 60,000

105,000 125,000

95,000 115,000

75,000 100,000

105,000 125,000

95,000 115,000

85,000 100,000

36,000

60,000--

Mechanical Properties

100,000

85,000

75,000

100,000 115,000

80,000

30,000

110,000

30,000

75,000

100,000 125,000

80,000 115,000

65,000 105,000

50,000 100,000

95,000 110,000

80,000 100,000

65,000 95,000

50,000 90,000

100,000 125,000

80,000 115,000

65,000 105,000

50,000 100,000

30,000 75,000

105,000 125,000

30,000

105,000 125,000

75,000

100,000 100,000

80,000 80,000

65,00 65,00

50,00 50,00

92,000 120,000

81,000 105,000

92,000 120,000

81,000 105,000

58,000 90,000

30,000 75,000

-- 120,000

92,000 120,000

92,000 120,000

81,000 105,000

92,000 120,000

81,000 105,000

83,000 105,000

78,000 100,000

109,000 125,000

99,000 115,000

92,000 120,000

92,000 120,000

115,000 133,000

130,000 150,000

130,000 150,000

150,000 min

170,000 max

130,000

36,000 60,000

57,000 74,000

92,000 120,000

130,000 150,000

IdentificationYield

Strength

Tensile

Strength

Grade Mark Min (psi) Min (psi)

SAE J429 Bolts, Screws, 85,000 92,000 120,000

Studs 74,000 thru 81,000 thru 105,000

Grade 5

ASTM A449

SAE J429

Grade 5.1

SAE J429 Bolts,

Screws,

Studs

Grade 5.2

ASTM A325 High Strength 85,000 92,000 120,000

Structural Bolts 74,000 thru 81,000 thru 105,000

Type 1

ASTM A325 High Strength

Structural Bolts

Type 2

ASTM A325 High Strength

Corrion

Resistant 85,000 92,000 120,000

Structural Bolts Steel 74,000 81,000 105,000

Type 3

ASTM A354 80,000 83,000 105,000

75,000 78,000 100,000

Grade BB

ASTM A354 105,000 109,000 125,000

95,000 99,000 115,000

Proof

Load

Medium

Carbon Steel

Sems

Low or

Medium

Carbon Steel

Specification Description Material

85,000 - 120,000

Low Carbon 85,000 92,000 120,000

85,000 92,000 120,000

Medium

Carbon

Low Carbon

Bolts, Studs Alloy Steel


Hex Bolt Identification Guide

Hardware Menu | Products and Services Directory

Note: Some bolts share identical head identification and have significantly different strengths.

Grade BC

SAE J429

Grade 7

SAE J429 Bolts, Screws,

Studs

Grade 8

ASTM A354 Bolts, Screws,

Studs

Grade BD

SAE J429

Grade 8.1

150,000

thru 170,000

ISO R898

Class 4.6

ISO R898

Class 5.8

ISO R898

Class 8.8

ISO R898

Class 8.8

ISO R898

Bolts, Screws

Medium

Carbon Alloy

Steel 105,000


Alloy Steel 120,000 130,000

115,000 133,000

Medium

Carbon Alloy

Steel 120,000 130,000 150,000

Structural Bolts Alloy Steel

150,000

Studs

Medium

Carbon Steel 120,000 130,000 150,000

74,000

120,000 130,000

Bolts, Screws, Studs

Low or

Median Steel 33,000 36,000

ASTM A490

Bolts, Screws, Studs Median Steel 85,000

60,000


Low or

Median Steel 55,000 57,000

Alloy Steel 120,000

92,000 120,000

Bolts, Screws, Studs Median Steel 85,000 92,000 120,000

130,000 150,000Bolts, Screws, Studs

Class 10.9

ISO R898

Class 10.9

ASTM A320

Grade B8

ASTM A320

Grade B8C

ASTM A320

Grade B8T

ASTM A320 AISI 303

or 303Se

Grade B8F

ASTM A320

Grade B8F

ASTM A320 50,000 105,000

Thru 100,000

Thru

125,000

Grade B8

ASTM A320 50,000 105,000

Thru 100,000

Thru

125,000

Grade B8C

ASTM A320 AISI 303 50,000 105,000

Alloy Steel 120,000 130,000 150,000

Bolts, Screws, Studs Alloy Steel 120,000 130,000 150,000


- 30,000 75,000

Bolts, Screws, Studs AISI 304 -

75,000


30,000 75,000

Bolts, Screws, Studs AISI 347


30,000 75,000

Bolts, Screws, Studs - 30,000


30,000 75,000


Bolts, Screws, Studs -

or 303Se Thru 100,000

Thru

125,000

Grade B8F

ASTM A320 50,000 105,000

Thru 100,000

Thru

125,000

Grade B8M

ASTM A320 50,000 105,000

Thru 100,000

Thru

125,000

Grade B8T

ASTM A193

Grade B8T

ASTM A193 50,000 100,000

thru 100,000 thru 125,000

Grade B8

ASTM A193 50,000 100,000

thru 100,000 thru 125,000

Grade B8C

ASTM A193 50,000 90,000

thru 95,000 thru 125,000

Grade B8M

ASTM A193 50,000 100,000

thru 95,000 thru 120,000

Grade B8T

SAE J429

Grade 1

ASTM A320 Bolts, Screws, Studs,

Low temp Appl.

Bolts, Screws, Studs -


Bolts, Screws, Studs AISI 321



30,000 75,000


Bolts, Screws, Studs AISI -


60,000

AISI 4137 - 105,000 125,000


Low or

Median

Carbon Steel 33,000 36,000

Grade L7B

ASTM A320 Bolts, Screws, Studs,

Low temp Appl.

Grade L7C

AISI 4137 - 105,000 125,000

125,000AISI 8740 - 105,000

tornillos tabla dureza bulones

Documents