Home > Other Material > ASTM A 453 GR 660 Class D Bolts
ASTM A453 Grade 660 Class D boltsare high-strength fasteners recognized for their outstanding durability and resistance to corrosion in demanding environments. These bolts, typically employed in vital applications like petrochemical facilities and offshore drilling platforms, offer quality and dependability. Meet rigorous ASTM standards for f. With a composition rich in nickel and chromium, they demonstrate superb resistance to oxidation and elevated temperatures, guaranteeing lasting durability and performance safety. ASTM A453 Grade 660 Class D bolts are favored for their capacity to preserve design integrity under pressurized conditions, making durability and reliability crucial in applications that demand 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 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your needs.
We supply these ASTM A 453 GR 660 Class D Bolts conforming to DIN, ISO, JIS or ANSI Standard.
ASTM A 453 GR 660 Class D Bolts serve applications as varied as the industries that rely on them, led mainly by the aerospace, railway, construction and automotive industries along 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 boltsare typically well-protected against galvanic corrosion because of their alloy makeup, which incorporates elements such as nickel and chromium. These alloys develop protective oxide layers that reduce galvanic reactions when they come into contact with unlike metals. Nonetheless, care should still be exercised in settings where galvanic corrosion is likely, like marine environments, by verifying proper material compatibility and applying surface treatments to preserve their corrosion resistance over the long term. Routine upkeep and following industry standards further strengthen their resistance to galvanic corrosion.
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