Tabla Dureza Bulones

TABLA COMPARATIVA DE PROPIEDADES FISICASNORMAS DIN - ASTM - SAE

Bulón Marca en laDurezaNorma Cabeza Tracción en Tracción en en % min.

Kg/mm² MpaDIN 267

50 / 70 78 - 95 HRB 490 - 686 20Grado 5.6DIN 267

80 / 100 18 - 31 HRC 794 - 981 12Grado 8.8DIN 267

100 / 120 27 - 38 HRC 981 - 1177 9Grado 10.9

DIN 267120/140 34 - 39 HRC 1177 - 1373 8

Grado 12.9SAE J 429

84 25 - 34 HRC 824 14Grado 5

SAE J 429105 Min 33 - 39 HRC 1030 12

Grado 8

42,32 69 - 95 HRB 415 18ASTM

A 307 BASTM

87,90 24 - 30 HRC 862 16A 193 B7ASTM

73,83 Min 23 - 35 HRC 724 14A 325ASTM

105,5/119,3 33-38 HRC 1035 - 1170 14A 490Importante:

Resistencia a la

Resistencia a la

Alargamiento de rotura

Las Calidades que Están en Cursiva NO son de uso estandard en nuestro país, por lo tanto no mantenemos un stock de las mismas, se fabrican sobre pedido

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

Identification

Specification

Fastener

Material

Mechanical Properties

Grade Mark Description Range (in.) Proof Load(psi)

SAE J429 Bolts,

33,000

Grade 1 Screws,

No StudsGrade ASTM A307

1/4 thru 4 --Mark Grades A&B

SAE J429 55,000Grade 2 33,000

SAE J429

Studs --

Grade 4

NoGradeMark

ASTM A193

AISI 501

1/4 Thru 4 --

Grade B5

B5ASTM A193

AISI 410

Grade B6

B6

ASTM A193 --

Grade B7 --

B7 --ASTM A193Grade B16

B16ASTM A193

AISI 304

--

Grade B8B8

ASTM A193

AISI 347Grade B8C

B8CASTM A193

AISI 316Grade B8M

B8MASTM A193 Bolts,

AISI 321 --

Grade B8T Screws,

B8T

Nominal Size

Low or Medium Carbon Steel

1/4 thru 1-1/2

Low Carbon SteelLow or

Medium Carbon Steel

1/4 thru 3/4 Over 3/4 to

1-1/2

Medium Carbon Cold Drawn Steel

1/4 thru 1-1/2

AISI 4140, 4142, OR

4105

1/4 thru 2-1/2

Over 2-1/2 thru 4

Over 4 thru 7

CrMoVa Alloy Steel

1/4 and larger

1/4 and larger

Studs for High-

Temperature Service

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

Grade B8 --

B8 --

ASTM A193 AISI 347 --

Grade B8CB8C

ASTM A193 AISI 316

Grade B8MB8M

ASTM A193 AISI 321

Grade B8TB8T

ASTM A320 Bolts, AISI 4140,

--

Grade L7 Screws,

L7ASTM A320

AISI 4037Grade L7A

L7AASTM A320

AISI 4137Grade L7B

L7BASTM A320

AISI 8740Grade LC7

L7CASTM A320

AISI 4340 1/4 thru 4 --Grade L43

L43ASTM A320 Bolts,

AISI 304

--

Grade B8 Screws,

B8ASTM A320

AISI 347Grade B8C

B8CASTM A320

AISI 321Grade B8T

B8TASTM A320 AISI 303Grade B8F or 303Se

B8F

Strain Hardened

Over 3/4 thru 1

Over 1 thru 1-1/4

Over 1-1/4 thru 1-1/2

Strain Hardened

Strain Hardened

Strain Hardened

1/4 thru 2-1/2

4142 or 4145

Studs for Low-

Temperature Service

1/4 and larger

Studs for Low-

Temperature Service

ASTM A320

AISI 316 --Grade B8M

B8MASTM A320

AISI 304

1/4 thru 3/4 --

Grade B8 --

B8 --

ASTM A320

AISI 347

--Grade B8C

B8CASTM A320 AISI 303Grade B8F or 303Se

B8FASTM A320

AISI 316

Grade B8M

B8MASTM A320

AISI 321

Grade B8T

B8TSAE J429 Bolts, 1/4 thru 1 85,000

Screws, 74,000Grade 5 Studs

ASTM A449

1/4 thru 1 85,000

74,000

55,000

SAE J429

Sems

No. 6

85,000thru 3/8

Grade 5.1

SAE J429 Bolts,

1/4 thru 1 85,000Screws,

Grade 5.2 Studs

ASTM A325 1/2 thru 1 85,000

Type 1 74,000A325

1/4 and larger

Over 3/4 thru 1

Over 1 thru 1-1/4

Over 1-1/4 thru 1-1/2

Medium Carbon Steel,

Quenched and

Tempered

Over 1 to 1-1/2

Over 1 to 1-1/2

Over 1-1/2 thru 3

Low or Medium Carbon Steel,

Quenched and

Tempered

Low Carbon Martensitic

Steel, Quenched

and Tempered

High Strength


Quenched and

Tempered

Structural Bolts

1-1/8 thru 1-1/2

ASTM A325

1/2 thru 1 85,000Type 2

A325

ASTM A325 1/2 thru 1 85,000

Type 3 74,000A325

ASTM A354 Bolts, 80,000Grade BB Studs 2-3/4 thru 4 75,000

BBASTM A354 105,000Grade BC 95,000

BC

SAE J429 Bolts,

105,000Screws,

Grade 7

SAE J429 Bolts,

120,000

Screws,Grade 8 Studs

ASTM A354Grade BD

SAE J429

Studs 120,000

Grade 8.1No Grade

Mark

ASTM A490 120,000A490ISO R898 Bolts, All Sizes

33,000

Class 4.6 Screws, thru 1-1/2

No Grade StudsMark

Low Carbon Martensitic

Steel, Quenched

and Tempered

Atmospheric Corrosion Resisting

Steel, Quenched

and Tempered

1-1/8 thru 1-1/2

Alloy Steel, Quenched

and Tempered

1/4 thru 2-1/2

Medium Carbon


and Tempered 4

1/4 thru 1-1/2

Medium Carbon


and Tempered

1/4 thru 1-1/2


and Tempered 4

Medium Carbon

Alloy or SAE 1041

Modified Elevated

Temperature Drawn

Steel1/4 thru 1-

1/2

High Strength Structural

Bolts


and Tempered

1/2 thru 1-1/2


Quenched and

Tempered

ISO R898

55,000

Class 5.8

No GradeMark8.8 ISO R898

85,000

Class 8.8

or

8810.9 ISO R898

120,000

Class 10.9

or

109


Quenched and

Tempered


and Tempered

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

Mechanical Properties

Min (psi) Min (psi)

36,000

60,000--

57,000 74,00036,000 60,000

100,000 115,000

80,000 100,000

85,000 110,000

105,000 125,000

95,000 115,000

75,000 100,000105,000 125,00095,000 115,00085,000 100,000

30,000 75,000

30,000 75,000

Yield Strength

Tensile Strength

100,000 125,000

80,000 115,000

65,000 105,000

50,000 100,000

95,000 110,000

80,000 100,00065,000 95,00050,000 90,000

100,000 125,000

80,000 115,00065,000 105,00050,000 100,000

105,000 125,000

105,000 125,000

30,000 75,000

30,000 75,000100,000 100,000

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

-- 120,000

92,000 120,000

92,000 120,000

81,000 105,000

92,000 120,000

92,000 120,000

81,000 105,000

83,000 105,00078,000 100,000

109,000 125,00099,000 115,000

115,000 133,000

130,000 150,000

130,000 150,000

130,000

150,000 min

36,000 60,000

170,000 max

57,000 74,000

92,000 120,000

130,000 150,000

Hex Bolt Identification Guide

Identification Specification Description MaterialGrade Mark Min (psi) Min (psi)

SAE J429 Bolts, Screws, 85,000 92,000 120,000Studs 74,000 thru 81,000 thru 105,000

Grade 5

ASTM A449SAE J429

Sems 85,000 - 120,000Grade 5.1SAE J429 Bolts,

Low Carbon 85,000 92,000 120,000

Screws,Studs

Grade 5.2ASTM A325 High Strength 85,000 92,000 120,000

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

Type 1ASTM A325 High Strength

Low Carbon 85,000 92,000 120,000

Structural Bolts

Type 2

ASTM A325 High Strength 85,000 92,000 120,000Structural Bolts Steel 74,000 81,000 105,000

Type 3ASTM A354

Bolts, Studs Alloy Steel

80,000 83,000 105,00075,000 78,000 100,000

Grade BBASTM A354

Bolts, Studs Alloy Steel

105,000 109,000 125,00095,000 99,000 115,000

Hardware Menu | Products and Services Directory Note: Some bolts share identical head identification and have significantly different strengths.

Proof Load

Yield Strength

Tensile Strength

Medium Carbon Steel

Low or Medium

Carbon Steel

Medium Carbon

Corrion Resistant

Bolts, Studs Alloy SteelGrade BCSAE J429

Bolts, Screws 105,000 115,000 133,000Grade 7SAE J429 Bolts, Screws,

120,000 130,000 150,000

Studs

Grade 8ASTM A354 Bolts, Screws,

Alloy Steel 120,000 130,000 150,000

Studs

Grade BDSAE J429

Studs 120,000 130,000 150,000Grade 8.1

ASTM A490 Structural Bolts Alloy Steel 120,000 130,000

150,000

thru 170,000ISO R898

Bolts, Screws, Studs 33,000 36,000 60,000Class 4.6ISO R898



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

Medium Carbon Alloy

Steel

Medium Carbon Alloy

Steel

Medium Carbon Steel

Low or Median Steel

Low or Median Steel

Median Steel

Median Steel


Bolts, Screws, Studs Alloy Steel 120,000 130,000 150,000Class 10.9ISO R898

Bolts, Screws, Studs Alloy Steel 120,000 130,000 150,000Class 10.9ASTM A320

Bolts, Screws, Studs AISI 304 - 30,000 75,000Grade B8ASTM A320

Bolts, Screws, Studs AISI 347 - 30,000 75,000Grade B8CASTM A320

Bolts, Screws, Studs AISI 321 - 30,000 75,000Grade B8TASTM A320

Bolts, Screws, Studs

AISI 303

- 30,000 75,000

or 303Se

Grade B8FASTM A320

Bolts, Screws, Studs AISI 316 - 30,000 75,000Grade B8FASTM A320

Bolts, Screws, Studs AISI 304 -

50,000 105,000

Thru 100,000

Grade B8ASTM A320


50,000 105,000

Thru 100,000

Median Steel

Thru 125,000

Thru 125,000

Bolts, Screws, Studs AISI 347 -Grade B8CASTM A320

Bolts, Screws, Studs

AISI 303

-

50,000 105,000

or 303Se Thru 100,000

Grade B8FASTM A320


50,000 105,000

Thru 100,000

Grade B8MASTM A320


50,000 105,000

Thru 100,000

Grade B8TASTM A193

Bolts, Screws, Studs AISI 321 30,000 75,000Grade B8TASTM A193


50,000 100,000thru 100,000 thru 125,000

Grade B8ASTM A193


50,000 100,000thru 100,000 thru 125,000

Grade B8CASTM A193


50,000 90,000thru 95,000 thru 125,000

Grade B8MASTM A193

Bolts, Screws, Studs AISI -

50,000 100,000thru 95,000 thru 120,000

Grade B8TSAE J429

Bolts, Screws, Studs 33,000 36,000 60,000

Thru 125,000

Thru 125,000

Thru 125,000

Low or Median

Carbon Steel

Bolts, Screws, Studs 33,000 36,000 60,000Grade 1

ASTM A320 Bolts, Screws, Studs,

AISI 4137 - 105,000 125,000

Low temp Appl.

Grade L7B

ASTM A320 Bolts, Screws, Studs,

AISI 8740 - 105,000 125,000

Low temp Appl.

Grade L7C

Low or Median

Carbon Steel

Documents

Tabla Dureza Bulones