Home > Other Material > ASTM A 453 GR 660 Class A Fasteners
ASTM A453 Grade 660 Class A fasteners are high-performance fastening solutions recognized for outstanding strength and resistance to corrosion. These fasteners are made from alloy steel containing high levels of nickel and chromium to guarantee robust mechanical strength and durability in severe conditions. Engineered to satisfy strict ASTM standards, ASTM A453 Grade 660 Class A fasteners are applied mainly in the oil and gas, petrochemical and aerospace industries. Preferred for their dependability, they deliver safety and lasting durability, which makes them indispensable for applications demanding high tensile strength and resistance to corrosion.
| Grade | Stainless Steel ASTM A453 Gr.660 Class A/B/C/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 |
|---|---|
|
Carbon |
0.08 max |
|
Manganese |
2.00 max |
|
Phosphorus, max |
0.040 max |
|
Sulfur, max |
0.030 max |
|
Silicon |
1.00 max |
|
Nickel |
24.0-27.0 |
|
Chromium |
13.5-16.0 |
|
Molybdenum |
1.00-1.50 |
|
Tungsten |
– |
|
Titanium |
1.9-2.35 |
|
Aluminum |
0.35 max |
|
Vanadium |
0.10-0.50 |
|
Boron |
0.001-0.010 |
At Sumakhsteel, we take pride in being the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge production plants strategically situated in the USA, we maintain an extensive inventory of more than 25,000 tons of top-quality materials always available in stock.
Reach out to us for a fast quote tailored to your requirement.
We supply These ASTM A 453 GR 660 Class A Fasteners according to DIN, ISO, JIS or ANSI Standard.
ASTM A 453 GR 660 Class A Fasteners find uses that are as varied as the sectors they support, 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 A fasteners typically withstand galvanic corrosion well because of their alloy makeup, which contains corrosion-resistant elements such as nickel and chromium. Nevertheless, in settings where galvanic corrosion is likely, choosing appropriate materials and applying surface treatments is advised to reduce risks and guarantee extended durability. Routine upkeep and following industry standards further boost their resistance to galvanic corrosion.
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