Home > Other Material > ASTM A 453 GR 660 Class B Stud Bolts
ASTM A453 Grade 660 Class B stud bolts are high-performance fasteners renowned for their superior strength and corrosion resistance. Composed of a robust alloy featuring nickel and chromium, these stud bolts excel in demanding environments such as petrochemical plants, offshore rigs, and power generation facilities. Meeting stringent ASTM standards, they provide reliable and durable performance in critical applications requiring secure and resilient connections. ASTM A453 Grade 660 Class B stud bolts are engineered to withstand high temperatures and harsh conditions, making them essential for projects that demand exceptional tensile strength and long-lasting durability.
|
Material |
Dimensions |
Standards |
Size
|
Length |
|
ASTM A 453 GR 660 CLASS B Studbolts
|
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 |
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We offer These ASTM A 453 GR 660 Class B Stud Bolts as per DIN, ISO, JIS or ANSI Standard.
ASTM A 453 GR 660 Class B Stud Bolts 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 stud bolts are generally resistant to galvanic corrosion due to their alloy composition, which includes corrosion-resistant elements like nickel and chromium. These elements form protective oxide layers that mitigate galvanic reactions when in contact with dissimilar metals. However, in environments prone to galvanic corrosion, such as marine settings, it is advisable to use proper material pairing and surface treatments 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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