Alloy 660 Round Bars Stockst in India, ASTM A286 Stainless Steel Alloy 660 Round Bar Supplier and Exporter
Leading Alloy 660 Round Bars Stockist, SS Alloy 660 Round Bars Supplier, UNS S66286 Round Bars Exporter, ASTM A286 Stainless Steel 660 Round Bars, DIN 1.4980 Round Bars Stockist in Mumbai, India.
Alloy 660 Round Bars, often referred to as ASTM A286 Round Bars, are austenitic stainless steel bars with a high strength that are made to withstand oxidation, corrosion, and have exceptional mechanical qualities at high temperatures. Because of their great tensile strength and creep resistance, these bars are extensively utilized in the power generation, marine, automotive, and aerospace sectors. Superior Alloy 660 Round Bars are stocked and supplied by Ratnallium TechAlloys, guaranteeing adherence to industry standards like UNS S66286 and AMS 5731, AMS 5732, and AMS 5737. Our bars are the go-to option for challenging environments since they are perfect for applications needing extraordinary endurance.

Stainless Steel Alloy 660 Round Bars
To meet a range of industrial needs, Ratnallium TechAlloys offers Alloy 660 Round Bars in a variety of diameters and lengths. Our products undergo rigorous quality testing to guarantee exceptional performance even in the most adverse circumstances. We provide customized solutions with rapid delivery and affordable prices, whether you require round bars for gas turbines, jet engine parts, or high-temperature fastening systems. For inquiries or a custom price, contact our team of experts at sales@ratnallium.com today.
SS Alloy 660 Round Bars Specifications
Grade | Stainless Steel Alloy 660 |
Standards | ASTM A286 / ASME SA286 |
Specification | AMS, EN, DIN, JIS, ASTM, BS, ASME, AISI, IS |
Size | 15NB to 150NB IN |
Diameter | 2mm to 800mm diameter |
Length | 100 mm to 3000 mm Long & Above or according to the customer’s requirement. |
Type | SS Alloy 660 Round Bars |
Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
Finish | Hot Rolled (HR), Cold Drawn (CD), Centerless Ground, Peeled & Turned, Mirror Finish, NO.4 Finish, Matt Finish, BA Finish |
Form | Alloy 660 Round Bar |
Surface | Bright, Black, Rough Turned, Polished, Sand Blasting, Hairline Finish, Smooth Machined |
Condition | Annealed, Hardened & Tempered, Solution Annealed, Cold Worked, Stress Relieved |
Technique | Hot Rolled, Cold Rolled, Forged, Extruded, Machined |
Stainless Steel Alloy 660 Round Bar Chemical Composition
Grade | Cr | Ni | Mo | Co | Va | Al | Ti | B | C | Fe | Mn | Si | P | S |
Alloy 660 | 13.5-16.0 | 24.0-27.0 | 1.0-1.5 | 1.0 max | 0.1-0.5 | 0.35 max | 1.9-2.35 | 0.003-0.01 | 0.08 max | Bal | 2.0 | 1.0 | 0.025 | 0.025 |
Alloy 660 Round Bars Mechanical Properties
Temperature (°F) | 70* | 70 | 400 | 800 | 1000 | 1200 | 1400 |
---|---|---|---|---|---|---|---|
Ultimate Tensile Strength (ksi) | 95* | 145 | 143 | 138 | 131 | 103 | 64 |
0.2% Yield Strength (ksi) | 50* | 95 | 93 | 93 | 87 | 88 | 62 |
Elongation (%) | 40* | 24 | 21 | 18 | 18 | 13 | 18 |
ASTM A286 Alloy 660 Round Bars Equivalent Grades
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
Alloy 660 | 1.4980 | S66286 | SUH 660 | X6NiCrTiMoVB25-15-2 |
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