Home > Other Material > ASTM A 453 GR 660 Class D Nuts
ASTM A453 Grade 660 Class D nutsare top-grade fasteners recognized for outstanding strength and resistance to corrosion, well suited to severe environments. These nuts are manufactured from premium alloy steel to endure high heat and heavy load edges, which makes them perfect for critical applications across the petrochemical, power generation and offshore drilling industries. Through compliance with rigorous ASTM standards, dependable performance is guaranteed and endures for a long time. Their enhanced construction and outstanding mechanical properties make ASTM A453 Grade 660 Class D nuts a great choice for strengthening bolts and joints under challenging industrial conditions.
|
Material |
Dimensions |
Standards |
Size
|
Length |
|
ASTM A453 GR 660 CLASS D Heavy Hex Nut
|
ASME B18.2.1, B18.3
|
ASTM, ASME |
M 02 to M 160
|
3 mm to 200 mm
|
| 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 one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we hold a large 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.
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 Nuts serve applications as varied as the industries they support, led chiefly 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 nutsare typically resistant to galvanic corrosion because of their alloy makeup, which contains corrosion-resistant elements such as nickel and chromium. These elements create protective oxide layers, lowering the likelihood of galvanic reactions when paired with dissimilar metals. Nevertheless, appropriate material selection and surface treatments should be taken into account in environments susceptible to galvanic corrosion, such as marine settings, to further improve their resistance.
Email: sales@koasteel.nz