tabla dureza bulones
TRANSCRIPT
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
Medium Carbon Steel,
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
Alloy Steel, Quenched
and Tempered 4
1/4 thru 1-1/2
Medium Carbon
Alloy Steel, Quenched
and Tempered
1/4 thru 1-1/2
Alloy Steel, Quenched
and Tempered 4
Medium Carbon
Alloy or SAE 1041
Modified Elevated
Temperature Drawn
Steel1/4 thru 1-
1/2
High Strength Structural
Bolts
Alloy Steel, Quenched
and Tempered
1/2 thru 1-1/2
Medium Carbon Steel,
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
Medium Carbon Steel,
Quenched and
Tempered
Alloy Steel, Quenched
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 55,000 57,000 74,000Class 5.8ISO R898
Bolts, Screws, Studs 85,000 92,000 120,000Class 8.8ISO 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 85,000 92,000 120,000Class 8.8ISO R898
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
Bolts, Screws, Studs AISI 347 -
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
Bolts, Screws, Studs AISI 316 -
50,000 105,000
Thru 100,000
Grade B8MASTM A320
Bolts, Screws, Studs AISI 321 -
50,000 105,000
Thru 100,000
Grade B8TASTM A193
Bolts, Screws, Studs AISI 321 30,000 75,000Grade B8TASTM A193
Bolts, Screws, Studs AISI 304 -
50,000 100,000thru 100,000 thru 125,000
Grade B8ASTM A193
Bolts, Screws, Studs AISI 347 -
50,000 100,000thru 100,000 thru 125,000
Grade B8CASTM A193
Bolts, Screws, Studs AISI 316 -
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