Home > Other Material > ASTM A 453 GR 660 Class B Fasteners
ASTM A453 Grade 660 Class B fastenersdurable and long-lasting solutions recognized for their outstanding durability and resistance to corrosion. Constructed from alloy steel and incorporating nickel and chromium, these fasteners perform exceptionally well in demanding settings like offshore rigs, petrochemical plants, and power generation facilities. It is engineered to comply with rigorous ASTM standards and guarantees dependable performance and durability in essential applications that demand secure packaging. ASTM A453 Grade 660 Class B fasteners deliver dependable mechanical properties and corrosion resistance, making them indispensable for applications that call for high tensile strength and flexibility under severe operating conditions
| Grade | Stainless Steel ASTM A453 Gr.660 Class B |
| 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 Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every aspect of your piping requirements. With cutting-edge manufacturing facilities strategically positioned across 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 requirement.
As per DIN, ISO, JIS or ANSI Standard, we supply These ASTM A 453 GR 660 Class B Fasteners.
ASTM A 453 GR 660 Class B Fasteners find uses that are as varied as the industries they support, led mainly by the aerospace, railway, construction and automotive sectors, 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 B fasteners typically show strong resistance to galvanic corrosion thanks to their alloy makeup, which contains corrosion-resistant elements such as nickel and chromium. These elements create protective oxide layers that reduce galvanic reactions when the fasteners come into contact with dissimilar metals. Nevertheless, in settings where galvanic corrosion is likely, like marine environments, it’s recommended to use appropriate material selection and surface treatments to boost their resistance even more and guarantee long-term durability. Routine maintenance and following industry guidelines also help preserve their resistance to galvanic corrosion over time.
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