ASTM A453 Gr 660 Round bar A286 Rod
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ASTM A453 is a standard specification for high-temperature bolting materials with expansion coefficients comparable to austenitic stainless steels. This specification covers various grades of bolting materials like austenitic stainless steel, alloy steel, and duplex stainless steel that are suitable for high-temperature service.
Grade 660 is a specific grade of high-temperature bolting material . Also known as Grade 660, Grade 660A, Grade 660B,Grade 660C,Grade 660D.
it is commonly referred to as “A286” . The chemical composition and mechanical properties of Grade 660 bolting material make it suitable for high-temperature service in various industries such as petrochemical, aerospace, and power generation.
ASTM A453 Gr 660 Round bar can be used as raw material to make ASTM A453 Gr 660 stud bolt.
The thread normally made on the round bar surface through rolling process.we call this process ” thread rolling”
Equivalent Grades of ASTM A453 Gr 660 Round Bars
| AISI | UNS | BS | Wr No. | En Name | DIN EN | JIS | AMS | ASTM | other names | Additional Requirements |
|---|---|---|---|---|---|---|---|---|---|---|
| 660 | S66286 | HR 51 | 1.4944 | X6NiCrTiMoV26-15 | 10269 | SUS 660 | 5726 | ASTM A453 GRADE 660A | incoloy a286 | NACE MR-0175 |
ASTM A453 Grade 660 Round Bars Mechanical Properties
| Grade | Class | Tensile Strength | Yield Strength | Elongation in 4D, min, % |
Reduction of Area, min, % |
Brinell Hardness Number |
Approximate Rockwell Hardness, B & C |
|||
|---|---|---|---|---|---|---|---|---|---|---|
| Ksi | Mpa | Ksi | Mpa | min | max | |||||
| Grade 660 | A, B and C | 130 | 895 | 85 | 585 | 15 | 18 | 248-341 | 24 HRC | 37 HRC |
| Grade 660 | D | 130 | 895 | 105 | 725 | 15 | 18 | 248-341 | 24 HRC | 35 HRC |
ASTM A453 Grade 660 Round Bars Specification
| ASTM A453 Gr 660 Round Bars Specifications | ASTM A453, ASME SA453 |
| Standard of ASTM A453 Gr 660 Round Bars | ASTM ASME |
| ASTM A453 Gr 660 Round Bars Length | 1 To 6 Meters, Custom Cut Length |
| ASTM A453 Gr 660 Round Bar Thickness | 50 mm to 6000 mm Long |
| Round Bar Size | 3mm~ 800mm |
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