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ASTM A453 Grade 660 Class D Bars are high-performance alloy steel strips known for exceptional strength and corrosion resistance. Designed to meet stringent ASTM standards, these pads are ideal for use in harsh environments, such as refineries, power plants, and offshore oil rigs. Its rich nickel-chromium core ensures excellent mechanical properties and stability at high temperatures. ASTM A453 Grade 660 Class D strips provide reliable and durable performance, making them essential for critical applications where high tensile strength and resistance to extreme conditions are required.
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 |
| 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 D Bars as per DIN, ISO, JIS or ANSI Standard.
ASTM A 453 GR 660 Class D 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 D bars are generally resistant to galvanic corrosion due to their high nickel and chromium content, which forms protective oxide layers. However, in environments prone to galvanic corrosion, such as marine settings, proper material pairing and surface treatments should be considered to further minimize risks. Regular maintenance and adherence to industry guidelines can enhance their resistance.
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