Home > Other Material > ASTM A 453 GR 660 Class D Bolts
ASTM A453 Grade 660 Class D bolts are high-performance fasteners known for exceptional strength and corrosion resistance in harsh environments. These bolts, commonly used in critical applications such as petrochemical plants and offshore drilling rigs, have quality and reliability. Comply with stringent ASTM standards for f. Having a nickel-chromium-rich composition, they exhibit excellent resistance to oxidation and high temperatures, ensuring long-term durability and performance safety. ASTM A453 Grade 660 Class D bolts are preferred for their ability to maintain design integrity under pressure conditions, making durability and reliability essential in applications requiring bonding solutions
| Grade | Stainless Steel ASTM A453 Gr.660 Class D |
| Specifications | ASTM A453, DIN 933, DIN 931, ANSI, JIS standards and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Form | Nuts, Bolts, Washers, Screw |
| Types | Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners etc |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 895 min |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 585 min |
| Elongation in 4D (El) | 15 |
| Reduction | 18 |
| Element | Content |
|---|---|
| Manganese | 2.00 max |
| Carbon | 0.08 max |
| Vanadium | 0.10-0.50 |
| Silicon | 1.00 max |
| Phosphorus, max | 0.040 max |
| Sulfur, max | 0.030 max |
| Molybdenum | 1.00-1.50 |
| Nickel | 24.0-27.0 |
| Chromium | 13.5-16.0 |
| Tungsten | – |
| Aluminum | 0.35 max |
| Boron | 0.001-0.010 |
| Titanium | 1.9-2.35 |
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We offer These ASTM A 453 GR 660 Class D Bolts as per DIN, ISO, JIS or ANSI Standard.
ASTM A 453 GR 660 Class D Bolts applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
ASTM A453 Grade 660 Class D bolts are generally resistant to galvanic corrosion due to their alloy composition, which includes materials like nickel and chromium. These alloys form protective oxide layers that mitigate galvanic reactions when in contact with dissimilar metals. However, precautions should still be taken in environments prone to galvanic corrosion, such as marine settings, by ensuring proper material compatibility and surface treatments to maintain their corrosion resistance over time. Regular maintenance and adherence to industry guidelines further enhance their resistance to galvanic corrosion.
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