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ASTM A453 Grade 660 Class B bars are robust and versatile alloy steel products known for their exceptional strength and corrosion resistance. These bars, crafted with a composition rich in nickel and chromium, excel in demanding environments such as petrochemical plants, offshore platforms, and power generation facilities. Designed to meet stringent ASTM standards, they ensure reliable performance and durability in critical applications where structural integrity is paramount. ASTM A453 Grade 660 Class B bars offer superior mechanical properties and stability at high temperatures, making them essential for projects requiring resilience and longevity in challenging operational conditions.
Material |
Standards |
Size
|
Length |
ASTM A453 GR 660 CLASS B Threaded 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 B Bars as per DIN, ISO, JIS or ANSI Standard.
ASTM A 453 GR 660 Class B 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 B bars generally exhibit good resistance 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 long-term durability. Regular maintenance and adherence to industry guidelines also contribute to maintaining their resistance over time.
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