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ASTM A453 Grade 660 Class A Stud Bolts are durable fasteners celebrated for their outstanding strength and resistance to corrosion. Made from alloy steel with a composition high in nickel and chromium, these stud bolts perform exceptionally in demanding settings such as petrochemical plants, offshore rigs, and power generation facilities. They comply with rigorous ASTM standards, guaranteeing dependability and longevity in vital applications where secure fastening is essential. ASTM A453 Grade 660 Class A stud bolts deliver dependable performance under severe conditions, rendering them essential for projects that demand high tensile strength and corrosion resistance for enduring operational integrity.
|
Material |
Dimensions |
Standards |
Size
|
Length |
|
ASTM A 453 GR 660 Class A 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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Reach out to us for a fast quote tailored to your requirement.
We supply these ASTM A 453 GR 660 Class A Stud bolts in accordance with DIN, ISO, JIS or ANSI Standard.
ASTM A 453 GR 660 Class A Stud bolts serve a wide range of uses, as varied as the sectors 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 A stud bolts typically withstand galvanic corrosion well, thanks to an alloy makeup that contains corrosion-resistant elements such as nickel and chromium. That said, in settings where galvanic corrosion is likely, choosing the right materials and applying surface treatments are advised to reduce risks and secure lasting durability. Consistent upkeep and compliance with industry standards further strengthen their resistance to galvanic corrosion.
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