ASTM A453 Grade 660 A hex bolt manufacturer in India
Compare price of various A453 GR 660 socket head cap screws and SA 453 grade 660 socket head bolts supplier in Mumbai
ASTM A453 Grade 660 Bolts
ASTM A453 Grade 660 A Hex Bolt
A453 GR 660 Socket Head Cap Screws
A453 Grade 660 Class B machine bolts and A453 gr.660 Cl.a heavy hex bolts for Sour Service & critical service environments
Table of Content
ASTM A453 grade 660 bolts specifications
Dimensions | Size | Length | Forms |
---|---|---|---|
ANSI B18.2.1, B18.3, DIN 931/ 933 | M2 – M160 | upto 1200mm | Nuts, Bolts, Washers, Screw |
Head Drive | Head type: | Iso Standard | Coating |
Phillips/Slot, Phillips, Slotted, Six-Lobe | Hex, round, flat, hex flange, square | ISO 4033, ISO 4032 | PTFE, zinc plated, black phosphate, hot dip galvanized |
International Standard | Diameter | Thread | Application |
BS, UNI, ANSI, ISO, IS, JIS, GB, ASME, ASTM DIN | 10mm – 200mm | BSW, METRIC, UNF, UNC, BSF, custom | Pressure vessels, bolting boilers |
Buy ASTM A 453 Grade 660 Class A bolts and Nuts and gr 660 hex cap screws at affordable prices with brinell hardness test
Types of ASTM A453 Gr 660 bolts
SA 453 Grade 660 Socket Head Bolts
- Applications: Pressure vessels, bolting boilers, pipeline flanges and valves
- Equivalent grade : Alloy A286 and UNS S66286
- Sizes: M2 – M160
A453 GR.660 Cl.A Heavy Hex Bolts
- Diameter: 10mm – 200mm
- Yield strength: 85 ksi & 100 ksi [585 & 725 MPa]
- Coatings: black phosphate, zinc plated, PTFE, hot dip galvanized
- Length: upto 1200mm
A453 Grade 660 Class B Machine Bolts
- Thread types: Metric Fine, Metric, BSW, UNC, UNF, BSF and BA
- Hardness : 37 – 35 HRC
- Tensile strength: 130ksi
- Temperature range: 1300-1500(°F)
View A453 GR 660 CL C eye bolt and ASTM A453 660d anchor bolts chemical composition and mechanical properties as per ASME B18.2.1 standard
Chemical composition of A453 GR.660 Cl.A heavy hex bolts
Element | Content % |
---|---|
A453 Grade 660 UNS S66286 | |
Phosphorus | 0.04 maximum |
Sulfur | 0.03 maximum |
Manganese | 2.00 maximum |
Silicon | 1.00 maximum |
Carbon | 0.08 maximum |
Nickel | 24.00 – 27.00 |
Chromium | 13.50 – 16.00 |
Molybdenum | 1.00 – 1.50 |
Vanadium | 0.10 – 0.50 |
Titanium | 1.90 – 2.35 |
Aluminum | 0.35 maximum |
Boron | 0.001 – 0.010 |
A453 GR 660 hex cap screws mechanical properties
Grades | Class | Elongation in 4D, minimum, % |
Tensile Strength | Yield Strength | Reduction of Area, minimum, % |
Brinell Hardness Number |
Approximate Rockwell Hardness, B & C |
|||
---|---|---|---|---|---|---|---|---|---|---|
Ksi | Mpa | Ksi | Mpa | minimum | maximum | |||||
A453 GR 660 | D | 15 | 130 | 895 | 105 | 725 | 18 | 248-341 | 24 HRC | 35 HRC |
A453 Grade 660 | A, B and C | 15 | 130 | 895 | 85 | 585 | 18 | 248-341 | 24 HRC | 37 HRC |
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 |
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 |
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
Application Of A453 GR 660 CL C anchor bolt
- Heat Exchangers
- Pharmaceuticals
- Specialty Chemicals
- Spiral Welded tube for burner pipes and flues
- Pharmaceutical Equipment
- Off-Shore Oil Drilling Companies
- Gas Processing
- Power Generation
- Aircraft Exhaust Manifolds
- Petrochemicals
- Sea Water Equipment
Equivalent Of ASTM A453 Grade 660 bolts
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