Download - 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
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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
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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
Tempered 1/4 thru 1 85,000
Atmospheric
Corrosion
Resisting
Steel,
Quenched
and
Tempered
Alloy Steel,
Quenched
and
Tempered
Medium
Carbon
Steel,
Quenched
and
Tempered
Low Carbon
Martensitic
Steel,
Quenched
and
Tempered 1/2 thru 1 85,000
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
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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
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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
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
Bolts, Studs Alloy Steel
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
Bolts, Screws, Studs
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
Bolts, Screws, Studs
- 30,000 75,000
Bolts, Screws, Studs AISI 304 -
75,000
Bolts, Screws, Studs AISI 321 -
30,000 75,000
Bolts, Screws, Studs AISI 347
Bolts, Screws, Studs AISI 316 -
30,000 75,000
Bolts, Screws, Studs - 30,000
Bolts, Screws, Studs AISI 347 -
30,000 75,000
Bolts, Screws, Studs AISI 304 -
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 316 -
Bolts, Screws, Studs AISI 321
Bolts, Screws, Studs AISI 321 -
Bolts, Screws, Studs AISI 347 -
30,000 75,000
Bolts, Screws, Studs AISI 304 -
Bolts, Screws, Studs AISI -
Bolts, Screws, Studs AISI 316 -
60,000
AISI 4137 - 105,000 125,000
Bolts, Screws, Studs
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