ASTM A453 Grade 660 Fasteners

ASTM A453 gr 660 fasteners

One of the leading SA 453 Grade 660 Class B Stud Bolts Manufacturer in India

ASTM A453 grade 660 fasteners

ASTM A453 grade 660 fasteners

ASTM A453 gr 660 material

ASTM A453 gr 660 material

SA 453 gr 660 class b hex bolts

SA 453 gr 660 class b hex bolts

ASTM A453 grade 660 fasteners specification

Grade Length Metric Sizes
ASTM A453 Gr 660 3 MM – 200 MM M3 to M56
Imperial Sizes Tolerance Standard
3/4″-10″ or Customized
  • +/-0.01mm to +/-0.05mm
  • DIN
  • UTS
  • ISO
Neck types Threads ASTM A453 grade 660 fasteners Surface Finish
  • Square
  • Oval
  • Knurled
  • Hex
  • Triangular
  • UNF
  • UNC
  • BSF
  • UNR
  • UNJ
  • UN8
  • Phosphating
  • Oxidation
  • DACROMET
  • Plain
  • Electric galvanized
  • HDG
  • Zinc impregnation
Testing reports provided by Nitron alloys Drive Types Head Style
  • Free quote
  • EN 10204 3.1
  • Mill Test Certificate
  • Free sample
  • Raw Materials Certificate
  • Third Party Inspection Report
  • NABL Approved Lab Reports
  • One Way
  • Frearson
  • Hex, Socket or Allen
  • Phillips
  • Combination
  • Slotted
  • Square
  • Star
  • Button
  • Pan
  • Socket Cap
  • Round
  • Hex Washer
  • Hexagon
  • Truss
  • Oval
  • Slotted Hex Washer
  • Flat
A453 gr 660 screws Manufacturing Process Heat Treatment SA 453 gr 660 class b fasteners Testing
  • Machining
  • Cold forging
  • Hot forging
  • Tempering
  • Hardening
  • Spheroidizing
  • Stress Relieving
  • IGC Test
  • Hardness Test
  • Tensile Testing
  • PMI Test
  • Impact Testing

We are A453 grade 660 class b screws supplier in Mumbai, ASTM A453 gr 660 hex bolts are typically manufactured in double aged condition meeting NACE MR 0175 requirement

Different types of A453 gr 660 fasteners

A453 grade 660 class a carriage bolts

A453 grade 660 class a carriage bolts

SA 453 gr 660 class b washers

SA 453 gr 660 class b washers

ASTM A453 grade 660 class d rivets

ASTM A453 grade 660 class d rivets

A453 grade 660 class b screws

A453 grade 660 class b screws

SA 453 gr 660 class b stud bolts

SA 453 gr 660 class b stud bolts

A453 gr 660 hex nuts

A453 gr 660 hex nuts

SA 453 gr 660 tapping screws

SA 453 gr 660 tapping screws

ASME SA 453 gr 660 bolts

ASME SA 453 gr 660 bolts

A453 gr 660 cl a  threaded rod

A453 gr 660 cl a threaded rod

A453 grade 660 class a carriage bolts are are available in NPT and BSP threads, View SA 453 gr 660 class b washers dimensions and sizes

Available threads of A453 grade 660 class b screws

  • BSPP
  • UNC
  • NPT
  • BSP
  • BSPT
  • UNF
  • UNJC

SA 453 gr 660 tapping screws chemical composition

Element Content %
Grade 660
Chromium 13.50 - 16.00
Carbon 0.08 max
Sulfur 0.03 max
Silicon 1.00 max
Vanadium 0.10 - 0.50
Nickel 24.00 - 27.00
Molybdenum 1.00 - 1.50
Aluminum 0.35 max
Titanium 1.90 - 2.35
Manganese 2.00 max
Phosphorus 0.04 max
Boron 0.001 - 0.010

ASME SA 453 gr 660 bolts mechnaical properties

Grade Class Yield Strength Tensile Strength Reduction
of Area, min, %
Elongation
in 4D, min, %
Approximate
Rockwell
Hardness, B & C
Brinell
Hardness
Number
Ksi Mpa Ksi Mpa min max
Grade 660 A, B and C 85 585 130 895 18 15 24 HRC 37 HRC 248-341

A453 gr 660 cl a threaded rod equivalent grade

Grade Class B Class A Class D Class C
Grade 660 BPF 660B BPF 660A BPF 660D NR BPF 660C
Check ASTM A453 grade 660 class d rivets price list ex Mumbai, We are top notch stockist of SA 453 gr 660 tapping screws in India

ASME SA 453 gr 660 bolts price list

Price list of ASTM A453 gr 660 fasteners SA 453 gr 660 fasteners Price in USD A453 grade 660 class a fasteners Price in UAE Dirham
HEAVY HEX NUTS, GRADE: 660A, SIZE: 7/8-9 US $21.88 per kg 80.35 UAE Dirham per kg
7/8 9UNC,Gr.660 CL-A,NUT US $39.22 per kg 144.06 UAE Dirham per kg
Are you looking for A453 gr 660 Hex Nuts Manufacturer in India? We keep ready stock of ASME SA 453 Grade 660 Bolts in wide range of thickness and sizes

ASTM A453 gr 660 fasteners weight chart

LENGTHS #3 #2 #5 #4 #8 #6 #12 #10 3/8″ 1/4″ 5/16″
1/8 0.55 0.40 1.1 0.70 - 1.4 - - - - -
3/16 0.70 0.50 1.2 0.90 2.5 1.5 - 3.9 - - -
1/4 0.80 0.60 1.4 1.00 2.8 1.7 5.6 4.3 - 8.5 -
5/16 0.90 0.60 1.5 1.20 3.1 1.9 6.1 4.6 - 9.1 16.7
3/8 0.90 0.70 1.7 1.30 3.4 2.1 6.5 5.0 29.2 9.8 17.7
7/16 1.00 0.80 1.9 1.50 3.6 2.2 6.9 5.4 30.7 10.4 18.8
1/2 1.10 0.80 2.0 1.60 3.9 2.4 7.4 5.8 32.2 11.1 19.8
9/16 1.20 0.90 2.2 1.70 4.2 2.6 7.8 6.2 33.6 11.7 20.9
5/8 1.30 1.00 2.3 1.80 4.5 2.8 8.3 6.6 35.1 12.4 21.9
3/4 1.50 1.10 2.6 2.10 5.0 3.2 9.2 7.3 38.0 13.6 24.0
7/8 1.70 1.30 3.0 2.30 5.6 3.5 10.1 8.1 41.0 14.9 26.1
1″ 1.90 1.40 3.4 2.50 6.2 3.9 11.0 8.9 44.0 16.1 28.8
1-1/8″ 2.00 1.50 3.8 2.80 6.7 4.3 11.9 9.6 47.0 17.4 30.2
1-1/4″ 2.20 1.60 4.1 3.00 7.3 4.6 12.8 10.4 49.8 18.7 32.3
1-1/2″ 2.50 1.80 4.7 3.50 8.3 5.3 14.7 11.9 55.8 21.2 36.5
1-3/4″ 2.90 2.10 5.3 4.00 9.4 6.1 16.5 13.5 61.7 23.7 40.7
2″ 3.30 2.40 6.0 4.50 10.6 6.8 18.3 15.0 67.6 26.2 44.8
2-1/4″ 3.60 2.60 6.7 5.00 11.8 7.6 20.1 16.6 73.5 28.8 19.0
2-1/2″ 3.90 2.80 7.3 5.50 12.9 8.3 22.0 18.1 79.5 31.3 53.2
2-3/4″ 4.30 3.10 7.9 6.00 13.9 9.1 23.8 19.7 85.3 33.9 57.3
3″ 4.70 3.40 8.6 6.50 15.0 9.8 25.6 21.2 91.3 36.4 61.5

SA 453 gr 660 class b washers dimensiosn

SA 453 gr 660 class b washers
Nominal Size Clipped Width E, Min. T
I.D. O.D. Standard Extra Thick
[Note (1)] [Note (2)] Max. Min. Max. Min. Max. Min. Max. Min.
12 10.5 14.4 14 27 25.7 4.6 3.1 10 8
16 14 18.4 18 34 32.4 4.6 3.1 10 8
20 17.5 22.5 22 42 40.4 4.6 3.1 10 8
22 19.2 24.5 24 44 42.4 4.6 3.4 10 8
24 21 26.5 26 50 48.4 4.6 3.4 10 8
27 23.6 30.5 30 56 S4.1 4.6 3.4 10 8
30 26.2 33.6 33 60 58.1 4.6 3.4 10 8
36 31.S 39.6 39 72 70.1 4.6 3.4 10 8
42 36.7 45.6 45 84 81.8 7.2 4.6 10 8
48 42 52.7 52 95 92.8 7.2 4.6 10 8
56 49 62.7 62 107 104.8 8.7 6.1 10 8
64 56 70.7 70 118 115.8 8.7 6.1 10 8
72 63 78.7 78 130 127.5 8.7 6.1 10 8
80 70 86.9 86 142 139.5 8.7 6.1 10 8
90 78.7 96.9 96 159 156.5 8.7 6.1 10 8
100 87.5 107.9 107 176 173.5 8.7 6.1 10 8

A453 gr 660 hex nuts heat treatment

Grade Class Hardening Treatment
Grade 660 C 1425 +/- 25° F [775 +/- 14°C], hold 16 hr, air cool,
followed by 1200 +/- 25°F [650 +/- 14°C], air cool
Grade 660 A 1325 +/- 25° F [720 +/- 14°C], hold 16 hr, air cool
Grade 660 B 1325 +/- 25° F [720 +/- 14°C], hold 16 hr, air cool
Grade 660 D 1325 +/- 25° F [720 +/- 14°C], hold 16 hr, air cool,
If required to achieve properties, second age:
1200 +/- 25°F [650 +/- 14°C], air cool

Packaging of SA 453 gr 660 tapping screws

  • Boxes and Crates
  • Wooden pallets
  • Wooden boxes
  • Carton boxes
  • Wooden crates
  • Shrink-wrapped

Testing and inspecation of ASME SA 453 gr 660 bolts

  • Nondestructive Electric Test
  • Reverse Flattening Test
  • Flange Test
  • Crush Test
  • Hydrostatic Test
  • Tension Test
  • Flattening Test