ASTM A453 GR 660 CLASS D Threaded Bars

What are ASTM A453 GR 660 CLASS D THREADED BARS?

ASTM A453 GR 660 CLASS D THREADED BARS are bolting materials used in high-temperature applications such as pressure vessels, valve flanges, and other fasteners. ASTM A453 Grade 660 Class D Threaded Bars are primarily made from precipitation-hardening austenitic stainless steel alloy and are commonly known as UNS S66286, A-286 alloy, or Alloy 660.

The alloy is a nickel-chromium alloy that has a tensile strength of about 105,000 psi at a minimum. It is also capable of maintaining its tensile strength at elevated temperatures up to about 700 deg C.

Besides being corrosion-resistant, the alloy has good flexibility and is very machinable. This makes Grade 660 Class D THREADED BARS an ideal choice for many applications.

ASME SA 453 Grade 660 is the most widely used material in high-temperature settings such as Jet engines and Turbocharger components. ASME SA 453 GR 660 CLASS B Stainless Steel Tie Bars is also often used in gas turbines and other power plants by transmission lines for hot liquids. The alloy has high tensile and yield strength even at high temperatures, making it an excellent choice for fasteners.

ASTM A 453 GR 660 Threaded Rods, GR 660 CLASS D Threaded Bars, GR 660 CLASS D Rod, ASTM A453 Grade 660 Class D THREADED BARS, Grade 660 Class D THREADED BARS, ASTM A 453 Grade 660 THREADED BARS, SS ASTM A453 Bars, ASTM A 453 GR 660 Rods / Bars Supplier & Exporter

ASTM A453 GR 660 CLASS D THREADED BARS are designed for use in high-temperature applications. They are classified into four property classes, which are A, B, C, and D, each of which has different tensile strength and stress rupture properties. They are also classified by their hardening and solution treatment requirements. They are chemically equivalent to ASTM B638 grade 660 stainless steel alloy and can be heat treated to achieve similar properties. Several types of "Page KW" are available like ASTM A 453 GR 660 Class C Studbolts, ASTM A 453 GR 660 Class D Grades, etc.

The properties of ASME SA 453 GR 660 CLASS D Stainless Steel Threaded Rods are excellent for use in elevated temperature environments, which include boilers and pressure vessels. They are suited to these applications because of their excellent expansion coefficient, soaring tensile strength, and high corrosion resistance. We also manufacture other products such as Duplex Steel Fasteners, ASTM A479 Duplex Steel UNS S32205 Tie Rods, etc.

ASTM A 453 GR 660 CLASS D STUDBOLTS

ASTM A 453 GR 660 CLASS D THREADED BAR

ASTM A 453 GR 660 CLASS D THREADED ROD

The material is available in various forms, including wire rods, round bars, shafts, castings, forgings, threaded rods, and wires. It is also used to manufacture hex bolts, nuts, and other fasteners. These are used in various types of industries, such as aerospace, automotive, energy, marine, and petrochemical. Stainless steel ASTM A453 GR 660 CLASS D Double Ended Studs are ideal for a range of applications, especially where corrosion resistance is essential. ASTM A453 GR 660 Class D Threaded Rods are particularly effective against chloride-bearing cooling water, chemical process fluids, and other aggressive fluids.

These studs are also highly resistant to inter-granular corrosion following welding or stress relieving. This is due to the presence of molybdenum in a chromium-rich oxide film that covers the surface. This coating prevents metal particles from forming during the welding or heat-treating process and is more effective in these environments than standard 303 stainless steel. Additionally, this alloy is easier to machine than 316 and 310 stainless steels.

ASTM A453 GR 660 CLASS D THREADED BARS are used in the manufacturing of many different types of fasteners. They are commonly used in high-temperature applications for a variety of reasons. The material of these bolts is a precipitation hardening stainless steel that can be used in applications at temperatures up to 700degC (or 1300 degF). Its nickel content, which is relatively high for stainless steel, makes it an excellent choice for this application.

What is ASTM A453 GR 660 CL D Threaded Bar?

ASTM A453 GR 660 CL D Threaded Bar is a high-temperature, corrosion-resistant alloy steel bar. It is designed to withstand extreme temperatures and high-pressure environments. The "CL D" designation indicates that the threaded bar has been heating treated and is in a precipitation hardenable condition.

What are Gr 660 Class D Threaded Bars used for?

Gr 660 Class D Threaded Bars are used for high-temperature and high-pressure applications in the petrochemical, oil and gas, and power generation industries. They are designed to withstand extreme temperatures and corrosive environments, making them suitable for critical applications such as turbine and generator shafts, bolting, and fasteners. The threaded bars are heat-treated and in a precipitation-hardenable condition, making them highly durable and able to resist deformation & breakage under stress.

ASTM A 453 GR 660 CLASS D thread studs, SS ASTM A 453 Tie Bars, GR 660 CLASS D Bar, ASTM A453 GR 660 Tie Rods, ASTM A 453 GR 660 CLASS D Double Ended Studs Manufacturer & Stockist

ASTM A453 GR 660 CLASS D THREADED BARS Specification

Material	Standards	Size	Length
ASTM A453 GR 660 CLASS D Threaded Bar	DIN975 , ASTM A307	M6 to M52 & 1/4" to 2"	1000mm to 3000mm & 1feet to 12feet

ASTM A453 GR 660 CLASS D THREADED BARS Chemical Composition

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

ASTM A453 GR 660 CLASS D THREADED BARS Mechanical Properties

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

ASTM A453 GR 660 CLASS D Threaded Bar Price

•  High quality astm a453 gr 660 stud bolt
  FOB Price:US $0.015-0.68 / Piece
• ASTM A 453 GR.660 CLASS D BOLTS
  FOB Price:US $0.015-0.68 / Piece
• ASTM A453 Gr 660 Cl.D Stud bolt
  FOB Price:US $800-1600 / Ton
• best quality Astm A453-660 Stud Bolt With Heavy Hex Nuts
  FOB Price:10 Kilograms
• special A453 gr 660 CLASS D nut
  FOB Price:50 Sets
• ASTM A453 CLASS D Nuts, Bolts, and Fasteners
  FOB PriceUS $6000-10000
• Stainless Steel ASTM A453 Grade 660 Full Thread Rod
  FOB Price:US $0.01-20

Other Types Of ASTM A453 GR 660 CLASS D Threaded Bars

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