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ASTM A453 Grade 660 Class A Nuts are durable fasteners known for exceptional durability and corrosion resistance. Made of high nickel-chromium alloy steel, these nuts excel in harsh environments such as petrochemical plants, offshore rigs, and power generation facilities. It is designed to meet stringent ASTM standards and ensures reliable operation and durability in critical applications where secure fastening is required. ASTM A453 Grade 660 Class A nuts provide excellent mechanical properties and corrosion resistance, making them essential for applications requiring high tensile strength and long life under harsh operating conditions
Material | Standards | Size | Length |
ASTM A453 GR 660 Class A Bar | DIN975 , ASTM A307 | M6 to M52 & 1/4″ to 2″ | 1000mm to 3000mm & 1feet to 12feet |
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 |
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We offer These ASTM A 453 GR 660 Class A Bars as per DIN, ISO, JIS or ANSI Standard.
ASTM A 453 GR 660 Class A Bars 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 A bars are generally resistant to galvanic corrosion due to their alloy composition, which includes corrosion-resistant elements like nickel and chromium. Proper material selection and surface treatments are recommended in environments prone to galvanic corrosion, such as marine settings, to further enhance their resistance and ensure prolonged durability. Regular maintenance and adherence to industry standards also contribute to maintaining their resistance to galvanic corrosion over time.
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