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ASTM A 453 GR 660 Class B Hex Bolt

ASTM A 453 GR 660 Class B Hex Bolt

SA 453 Grade 660 Class A Screws

SA 453 Grade 660 Class A Screws

UNS S66286 A453 Gr 660 Nuts

UNS S66286 A453 Gr 660 Nuts

ASTM A 453 GR 660 Class B Hex Bolt Manufacturer in India

ASTM A453 Grade 660 Bolts Specification    

Table of Content

ASTM A453 Grade 660 Bolts Specifications
sizes

ASTM A453 Grade 660 Hex Bolt Sizes

  • Metric : M1.2 – M48
  • Imperial :  1/4" to 4"
Length

Gr 660 Heavy Hex Structural Bolts Length

  • upto 1200mm
 
Class

ASTM A453 Grade 660 Bolt Class

  • Class A
  • Class B
  • Class C
  • Class D
Head Types

ASTM A453 Grade 660 Bolt Head Types

  • Hex
  • round
  • flat
  • hex flange
  • square
 
Manufacturing Method

ASTM A453 660D carriage Bolts  Manufacturing Method

  • CNC machined
  • Cold Forged
  • Hot Forged
Packaging

A453 660B U Bolts Packaging

  • Wooden Boxes
  • custom
  • Crates
 
Surface Finish

SA 453 gr 660 class B socket Surface Finish

  • Electric galvanized
  • Zinc impregnation
  • DACROMET
  • Phosphating
  • Oxidation
  • HDG
Coating

SA 453 gr 660 class B socket head cap Coating

  • Zinc Coated
  • Phosphate Coated
  • Cadmium Coated
  • Hot Dipped Galvanizing
  • PTFE Coated
  • Xylon Coated
 
Certification

ASTM A453 gr.660 cl.B machine Bolts  Certification

  • Heat Treatment Charts
  • Fumigation Certificates
  • MTC EN 10204 3.1B/ 3.1 / 3.2
  • Third Party Inspection Report
  • Raw Materials Certificate
  • HS Code Commercial Invoice
  • DFARS compliant
Inspection Methods

ASTM A453 grade 660b screws Inspection Methods

  • IGC Test
  • Positive Material Identification Test
  • Microstructure Analysis
  • Rockwell / Brinell Hardness test
  • Tensile test
  • Charpy V-notch test
  • Hardness Test
  • Impact testing
   
Application

ASTM A453 Grade 660 eye Bolt Application

  • Gas Processing
  • Power Generation
  • Aircraft Exhaust Manifolds
  • Petrochemicals
  • Sea Water Equipment
Delivered Areas

ASTM A453 grade 660A Square Head Bolts Delivered Areas

  • Brazil
  • United States
  • Japan
  • South Africa
  • Australia
 
Services

Grade 660 J Bolts Services

  • Head Shank Drilling
  • Mil-Spec Packaging
  • Thread-Locking
  • Plating
  • JIT
  • Bagging
  • Head Painting
  • Venting
Marking

Gr 660 Anchor Bolts Marking

  • Nominal Size
  • Method of Manufacturing
  • Heat Number
  • Material Grade
  • Manufacturer’s Name or Logo
  • Schedule or Wall Thickness
  • Specification
 
Bolt End

ASTM A456 UNS S66286 Threaded Rods End

  • Milled end
  • Half point
  • Chisel point
  • Semi-cone point
  • 45 degree angle cut
  • Chamfer end
  • Sheared end
  • Gimlet point
Thread Types

A453 gr 660 Bolt Thread Types

  • UNJ
  • BSF
  • Fine Thread
  • 8-Thread Series
  • UNEF
  • 12-thread series
  • Metric coarse
 

Suuplier of SA 453 Grade 660 Class A Screws in Mumbai, With Material Test Certificate

  • MTC EN 10204 3.1/3.2
  • HS Code
  • Fumigation Certificates
  • Form A for GSP
  • Raw Materials Certificate
  • Lab. Test Report from Govt. Approved Lab
  • DFARS compliant
  • Heat Treatment Charts
  • Third Party Inspection Report
  • Commercial Invoice
  • Moisture testing report
  • Surface roughness measurement
Dimensions of A453 Gr 660 Heavy Hex Bolts

ASTM A453 Grade 660 Bolts Manufacturer in India provides fasteners with exceptional mechanical properties

Dimensions of A453 Gr 660 Heavy Hex Bolts    
Grade 660 Bolts Dia. (D) Body Dia. (D) Head Height (H) Across the Corners © Across the Flats (F) Thread Lengths (T)
MAX MIN MAX MIN MAX MIN MAX MIN < 6†> 6â€
1 1.022 0.976 0.7 0.591 1.876 1.796 1.625 1.575 2.25 2.5
1/2 0.515 0.482 0.364 0.302 1.01 0.969 0.875 0.85 1.25 1.5
3 3.081 2.961 2.06 1.815 5.34 5.102 4.625 4.475 6.25 6
5/8 0.642 0.605 0.444 0.378 1.227 1.175 1.062 1.031 1.5 1.75
3/4 0.768 0.729 0.524 0.455 1.443 1.383 1.25 1.212 1.75 2
7/8 0.895 0.852 0.604 0.531 1.66 1.589 1.438 1.394 2 2.25
1 3/4 1.785 1.716 1.196 1.054 3.175 3.035 2.75 2.662 3.75 4
1 1/8 1.149 1.098 0.78 0.658 2.093 2.002 1.812 1.756 2.5 2.75
1 1/4 1.277 1.223 0.876 0.749 2.309 2.209 2 1.938 2.75 3
2 2.039 1.964 1.388 1.175 3.608 3.449 3.125 3.025 4.25 4.5
2 1/2 2.559 2.461 1.708 1.479 4.474 4.275 3.875 3.75 5.25 5.5
2 3/4 2.827 2.711 1.869 1.632 4.907 4.688 4.25 4.112 5.75 6
1 3/8 1.404 1.345 0.94 0.81 2.526 2.416 2.188 2.119 3 3.25
1 1/2 1.531 1.47 1.036 0.902 2.742 2.622 2.375 2.3 3.25 3.5
2 1/4 2.305 2.214 1.548 1.327 4.041 3.862 3.5 3.388 4.75 5
Most Common Types of ASTM A453 Grade 660 Bolts
ASTM A453 Grade 660 A Hex Bolts

ASTM A453 Grade 660 A Hex Bolts

ASTM A453 Gr 660 bolts Heavy Hex Bolts

ASTM A453 Gr 660 bolts Heavy Hex Bolts

A453 Gr 660 Threaded Rods

A453 Gr 660 Threaded Rods

SA 453 Grade 660 Anchor Bolts

SA 453 Grade 660 Anchor Bolts

A453 GR.660 Cl.A Eye Bolts

A453 GR.660 Cl.A Eye Bolts

A453 Grade 660 Class B Socket Head Cap Screws

A453 Grade 660 Class B Socket Head Cap Screws

A453 GR 660 CL C Countersunk Screws

A453 GR 660 CL C Countersunk Screws

ASTM A453 Gr 660 bolts J Bolts

ASTM A453 Gr 660 bolts J Bolts

A453 Gr 660 Square Head Bolts

A453 Gr 660 Square Head Bolts

Get Grade 660 Threaded Rod With Various Dimensions & Check UNS S66286 A453 Gr 660 Nuts Size Chart

Nominal Basic D Body Dia. Size or Screw G Wall Thkns K Chamfer or Radius Head A Dia. Head J Hex Socket Size T Key Engagmt H Height S Head Side Height
Max Min Dia. Min Max Max Min Max Nominal Min Min Max
2 0.0860 0.0822 0.0860 0.029 0.003 0.140 0.134 0.086 5/64 0.078 0.038 0.083 0.077
5 0.1250 0.1202 0.1250 0.043 0.005 0.205 0.198 0.125 3/32 0.094 0.057 0.121 0.112
6 0.1380 0.1329 0.1380 0.047 0.005 0.226 0.218 0.138 7/64 0.109 0.064 0.134 0.124
8 0.1640 0.1585 0.1640 0.056 0.005 0.270 0.262 0.164 9/64 0.141 0.077 0.159 0.148
0 0.0600 0.0568 0.0600 0.020 0.003 0.096 0.091 0.060 0.050 0.025 0.057 0.054
1 0.0730 0.0695 0.0730 0.025 0.003 0.118 0.112 0.073 1/16 0.062 0.031 0.070 0.066
10 0.1900 0.1840 0.1900 0.065 0.005 0.312 0.303 0.190 5/32 0.156 0.090 0.185 0.171
3 0.0990 0.0949 0.0990 0.034 0.003 0.161 0.154 0.099 5/64 0.078 0.044 0.095 0.089
4 0.1120 0.1075 0.1120 0.038 0.005 0.183 0.176 0.112 3/32 0.094 0.051 0.108 0.101
1/4 0.2500 0.2435 0.2500 0.095 0.008 0.375 0.365 0.250 3/16 0.188 0.120 0.244 0.225
5/16 0.3125 0.3053 0.3125 0.119 0.008 0.469 0.457 0.312 1/4 0.250 0.151 0.306 0.281
1/2 0.5000 0.4919 0.5000 0.190 0.010 0.750 0.735 0.500 3/8 0.375 0.245 0.492 0.450
5/8 0.6250 0.6163 0.6250 0.238 0.010 0.938 0.922 0.625 1/2 0.500 0.306 0.616 0.563
Dimensions Standard of Grade 660 Hex Bolt
Dimensions Standard of Grade 660 Hex Bolt    
Grade 660 Bolts N.S. (D) BODY Dia.m ACROASTM A193 THE FLATS ACROASTM A193 CORNERS HEAD THICKNEASTM A193
D (MAX) D (MIN) F (MAX) F (MIN) C (MAX) C (MIN) H (MAX) H (MIN)
m20 20.00 19.67 30.00 29.16 34.64 32.95 12.88 12.12
m24 24.00 23.67 36.00 35.00 41.57 39.55 15.44 14.56
m42 42.00 41.38 65.00 62.90 75.06 71.71 26.97 25.03
m10 10.00 9.78 17.00 15.73 18.48 17.77 6.63 6.17
m12 12.00 11.73 19.00 17.73 20.78 20.03 7.76 4.24
m100 90.00 99.13 145.00 140.00 167.43 159.60 63.9 60.10
m14 14.00 13.73 22.00 20.67 24.25 23.35 9.09 8.51
m30 30.00 29.67 46.00 45.00 53.12 50.85 19.48 17.92
m36 36.00 35.61 55.00 53.80 63.51 60.79 23.38 21.63
m16 16.00 15.73 24.00 23.67 27.71 26.75 10.32 9.68
m48 48.00 47.38 75.00 72.60 86.60 82.76 31.07 28.93
m80 80.00 79.26 115.00 111.00 132.72 126.54 51.58 48.42
m90 90.00 89.13 130.00 125.50 150.11 143.07 57.74 54.26
m56 56.00 55.26 85.00 82.20 98.15 93.71 36.2 33.80
m64 64.00 63.26 95.00 91.80 109.70 104.65 41.32 38.68
m72 72.00 71.26 105.00 101.40 121.24 115.60 46.45 43.55
ASTM A453 Gr 660 Stainless Steel Bolt Use in High Temperature Bolting Applications

ASTM A453 Grade 660 Bolts Supplier in India provides a variety of commonly used fastener types

Application Of A453 GR 660 CL C anchor bolt  
ASTM A453 660D Anchor Bolts Heat Treatment
Grade Class Hardening Treatment Solution Treatment
Grade 660 A [720 +/- 14°C]1325 +/- 25° F, hold 16 hr, air cool [900 +/- 14°C]1650 +/- 25° F , hold 2 hr, minimum and liquid quench
B [720 +/- 14°C]1325 +/- 25° F , hold 16 hr, air cool [980 +/- 14°C] 1800 +/- 25° F, hold 1 hr, minimum and liquid quench
C [775 +/- 14°C]1425 +/- 25° F , hold 16 hr, air cool,
followed by [650 +/- 14°C] 1200 +/- 25°F , air cool 		[980 +/- 14°C]1800 +/- 25° F , hold 1 hr, minimum and oil quench
D 1325 +/- 25° F [720 +/- 14°C], hold 16 hr, air cool,
If required to achieve properties, second age:
[650 +/- 14°C] 1200 +/- 25°F , air cool 		[900 +/- 14°C]1650 +/- 25° F , hold 2 hr, minimum and liquid quench
[980 +/- 14°C]1800 +/- 25° F, hold 1 hr, minimum and liquid quench
A453 Gr 660 Bolt Hardness
Tensile Class Approx. Rockwell Hardness B & C Brinell Hardness No
min max
A, B and C 24 HRC 27 HRC 248 – 341
D 24 HRC 35 HRC 248 – 321
Stress Rupture Requirements of A453 Grade 660 Socket Head Bolts
Grade Class Test Temperature Stress, Min Time to Rupture, min, hA Elongation, min, %
°F °C Ksi Mpa
A453 GR 660 A, B and C 1200 650 56 385 100 5
UNS S66286 A453 Gr 660 Nuts Temperature Rating
Physical Property Continuous Operation Intermittent Usage / Short Term
Fahrenheit(°F) Celsius(°C) Fahrenheit(°F) Celsius(°C)
High Strength Retention -320 upto 1000(°F) -160 upto 537(°C) 1300-1500(°F) 704-815(°C)
Oxidation Resistance 1800(°F) 982(°C) 1500(°F) 815(°C)
Check ASME SA 453 660B Heavy Hex Bolts Equivalent and Chemical Composition Before Buying the Material
A453 GR 660 Hex Cap Screws Mechanical Properties
Grade ASTM A453/A453M Grade 660
Class A Class B Class C Class D (≤2 1 / 2 in.   [63.5 mm]) Class D (>2 1 / 2 in.   [63.5 mm])
Tensile Strength, min ksi 130 130 130 130 120
MPa 895 895 895 895 825
Yield Strength (0.2 % Offset), min ksi 85 85 85 248-321 248-321
MPa 585  585  585  105 95
Elongation in 4* Diam, min, % 15 15 15 725  655
Reduction of Area, min, % 18 18 18 15 15
Brinell Hardness Number 248-341 248-341 248-341 35 HRC 35 HRC
Approximate Rockwell Hardness, B and C min 24 HRC 24 HRC 24 HRC 18 18
max 37 HRC 37 HRC 37 HRC 24 HRC 24 HRC
  35 HRC 35 HRC
Chemical Composition of A453 GR.660 Cl.A Heavy Hex Bolts
Grade ASTM A453 Grade 660 Class A ASTM A453 Grade 660 Class B ASTM A453 Grade 660 Class C ASTM A453 Grade 660 Class D
UNS Number S66286 S66286 S66286 S66286
Carbon (C) 0.08 Max 0.01 Over 1 - 1.50 0.05 1 - 1.50 0.05 0.35 Max 0.05 Over
Elements Content, % Product Analysis Variation,Over or Under, % Content, % Product Analysis Variation,Over or Under, % Content, % Product Analysis Variation,Over or Under, % Content, % Product Analysis Variation,Over or Under, %
Titanium (Ti) 1.90 - 2.35 0.05 13.5 - 16.0 0.2 1.90 - 2.35 0.05 24.0 - 27.0 0.2
Nickel (Ni) 24.0 - 27.0 0.2 2 Max 0.04 2 Max 0.04 2 Max 0.04
Molybdenum (Mo) 1 - 1.50 0.05 0.030 Max 05 Over 13.5 - 16.0 0.2 1.90 - 2.35 0.05
Manganese (Mn) 2 Max 0.04 1.90 - 2.35 0.05 0.040 Max 05 Over 0.040 Max 05 Over
Sulfur (S) 0.030 Max 05 Over 24.0 - 27.0 0.2 1 Max 0.05 1 Max 0.05
Aluminum (Al) 0.35 Max 0.05 Over 0.35 Max 0.05 Over 0.35 Max 0.05 Over 13.5 - 16.0 0.2
Chromium (Cr) 13.5 - 16.0 0.2 0.040 Max 05 Over 24.0 - 27.0 0.2 1 - 1.50 0.05
Vanadium (V) 0.10 - 0.50 0.03 0.10 - 0.50 0.03 0.10 - 0.50 0.03 0.10 - 0.50 0.03
Silicon (Si) 1 Max 0.05 0.08 Max 0.01 Over 0.08 Max 0.01 Over 0.08 Max 0.01 Over
Phosphorus (P) 0.040 Max 05 Over 1 Max 0.05 0.030 Max 05 Over 0.030 Max 05 Over
Boron (B) 01 - 0.010 004 underto01 Over 01 - 0.010 004 underto01 Over 01 - 0.010 004 underto01 Over 01 - 0.010 004 underto01 Over
Equivalent Of ASTM A453 Grade 660 Bolts
Russia

WERKSTOFF NR.

1.4944

North America

UNS

S66286

Japan

JIS

SUS 660

Russia

BS

HR 51

Europe

EN

10269

Characteristics of A453 Grade 660
Characteristics of A453 Grade 660   
Surface treatments of SA 453 Grade 660 Hex Head Bolt
  • Passivation
  • Electro Polished
  • Mirror Buffed
  • Hot Dipped Galvanizing
  • Oxidized
  • Zinc Plating
  • Teflon Coating
  • Epoxy Coating
  • Chrome Plating
A453 GR.660 Cl.A Eye Bolts HS Code
HS Code
72222019
Stress Rupture Test of ASTM A453 Grade 660 Bolts?
Stress Rupture Test of ASTM A453 Grade 660 Bolts   
Grade Class Test Temperature, °F [°C] Time to Rupture, min, hA Elongation, min, % Stress, min
ksi MPa
ASTM A453/A453M Grade 660 A 1200 [650] 100 5 56 385
Grade Class Test Temperature, °F [°C] Stress, min Time to Rupture, min, hA Elongation, min, %
ksi MPa
ASTM A453/A453M Grade 660 B 1200 [650] 56 385 100 5

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