Products Description
SS 309 round bars/rods are made from stainless steel grades 309, 310, and 310S, which are high-temperature resistant austenitic stainless steel alloys. These bars and rods possess several desirable qualities that make them suitable for various applications:
Durability: SS 309round bars/rods are known for their durability, meaning they can withstand harsh environments and maintain their structural integrity over time.
Flexibility and Workability: These bars and rods offer flexibility and workability, allowing for easy shaping, bending, and fabrication according to specific requirements. They can be formed into various shapes and sizes to suit different applications.
Machinability: SS 309 round bars/rods exhibit good machinability, which means they can be efficiently machined and fabricated into desired components or parts.
Weldability: These bars and rods have excellent weldability characteristics, making them easy to join and weld using common welding techniques. This allows for the construction of complex structures or assemblies.
Ductility and Fabrication: SS 309 round bars/rods have high ductility, which means they can be easily stretched or drawn into wires or other forms without breaking. This property enables their use in various fabrication processes.
High Strength and Hardness: These bars and rods offer high strength and hardness, providing structural integrity and resistance to deformation under high-stress conditions.
Corrosion Resistance: SS 309 round bars/rods exhibit excellent corrosion resistance, making them suitable for use in chemical industries where exposure to corrosive environments is common. They are resistant to oxidation, scaling, and various corrosive agents.
High-Temperature Resistance: These bars and rods can withstand high temperatures without significant deformation or loss of mechanical properties. They are commonly used in applications involving elevated temperatures, such as furnace components, heat treatment equipment, and exhaust systems.
Annealing: SS 309 round bars/rods can be easily used in annealed conditions without experiencing deformation. Annealing refers to the process of heating and cooling the material to modify its properties, such as reducing hardness or enhancing ductility.
In summary, SS 309 round bars/rods offer a combination of durability, flexibility, machinability, workability, welding capability, ductility, high strength, hardness, corrosion resistance, and high-temperature sustainability. These properties make them suitable for use in various industries, particularly in chemical manufacturing, where corrosion resistance and high-temperature performance are crucial.
SS 309 round bars/rods
ASTM A276 309 Round Bar Specification |
ASTM A276 / ASTM A479 /ASTM A182 / ASME SA276 / ASME SA479 / ASME SA182 |
ASTM A276 309 Round Bar Manufacturing Process |
Hot Rolled / Cold Rolled / Hot Forging / Rolling / Machining |
ASTM A276 309 Round Bar Other Grades |
202 / 304 / 304L / 304H / 309S / 310S / 316 / 316L / 316Ti / 317L / 321 / 321H / 347 / 347H / 904L etc. |
ASTM A276 309 Round Bar Dimension |
Round Bars : Outside Diameter in the range of 4mm to 500mm |
ASTM A276 309 Round Bar Length |
2 meters to 7.5 meters ( 8 feet to 24 feet), or Custom Length as per Requirement |
ASTM A276 309 Round Bar Forms and Shape |
Round, Square, Hex (A/F), Rectangle, Billet, Ingot, HRAP, Bright, Shaft, Forging Etc. |
ASTM A276 309 Round Bar Finish |
Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
ASTM A276 309 Round Bar Dimension Standard |
ASTM A 484 / ISO h11 / ISO K12 Tolerances F8 / h8, h9, h10, h11, h12, k12, k13, A-484, EN-10060, DIN-1013 etc. |
ASTM A276 309 Round Bar Heat Treatment |
Condition A in which the bars are Annealed |
ASTM A276 309 Round Bar Surface Finish |
Centreless Ground & Belt Polished, up to Ra value = 0.2 um (12 RMS), and Grit Polished of up to 180 to 600 |
ASTM A276 309 Round Bar Chamfering |
Available in 30°, 45° & 60° through fully automatic, both-end chamfering machine |
ASTM A276 309 Round Bar Other Testing |
NACE MR0175, IGC TEST, Intergranular Corrrosion Test as per ASTM A262 Practice E, Charpy Impact Test, Macro, Grain Size, Hardness, Magnetic Particle Inspection (MPI), 100% tested thru Digital Ultrasonic Flaw Detector, as per ASTM A-388, EN 10308 (class 1to4),API 6A/ISO 10423:2003-PSL3,SEP 1920:1984 ( class A,B,C), MIL STD 2154 etc. |
ASTM A276 309 Round Bar Value Added Services |
Rolling, Drill, Punch, CNC Machining, Sand Blasting, Shot Blasting, Heat Treatment, Anti-rust Paint, Polishing |
ASTM A276 309 Round Bar Packaging |
Loose / Carrate / Wooden Pallet / Wooden Box / Plastic Cloth Wraps |
ASTM A276 309 Round Bar Shipment & Transportation |
By Road - Truck / Train Partial Load, Full Load, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes |
ASTM A276 309 Round Bar Material Test Certificate |
Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS, Bureau of Indian Standards BIS Approved ETC |
ASTM A276 309 Round Bar Documentation |
Commercial Invoice which includes HS Code / Packing List including net weight and gross weight, number of boxes, Marks and Numbers / Certificate of Origin legalized/attested by Chamber of Commerce or Embassy / Fumigation Certificates / Raw Material Test Reports / Material Traceability Records / Quality Assurance Plan (QAP) / Heat Treatment Charts / Test Certificates certifying NACE MR0103, NACE MR0175 / Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2 / Guarantee Letter / NABL approved Laboratory Test Reports / Welding Procedure Specification/Procedure Qualification Record, WPS/PQR / Form A for the purposes of the Generalized System of Preferences (GSP) |
309 STAINLESS STEEL ROUND BAR EQUIVALENT GRADES
STANDARD |
UNS |
WNR. |
AFNOR |
EN |
JIS |
BS |
GOST |
SS 309 |
S30900 |
1.4828 |
- |
- |
SUS 309 |
- |
- |
CHEMICAL COMPOSITION OF STAINLESS STEEL 309 ROUND BAR
|
C |
Mn |
Si |
P |
S |
Cr |
Ni |
Fe |
309 |
0.2 max |
2.0 max |
1.0 max |
0.045max |
0.03max |
22 24 |
12-15 |
Balance |
MECHANICAL PROPERTIES OF STAINLESS STEEL 309 ROUND BAR
Grade |
Tensile Strength ksi (min) |
Yield Strength 0.2% ksi (min) |
Elongation % |
Hardness (Brinell) MAX |
309 |
40 |
30 |
40 |
217 |
PHYSICAL PROPERTIES OF 309/310/310S STAINLESS STEEL ROUND BAR
Grade |
Density |
Thermal Conductivity |
Electrical |
Modulus of |
Coefficient of |
Specific Heat |
Melting |
309 |
at 68°F: 0.285 |
9.0 at 32- 212°F |
30.7 at 68°F |
28.5 |
8.28 at 32 – 212°F |
0.1200 at 68°F to 212°F |
2500-2590 |
SS 309 |
|
Density lbm/in3 |
Melting Point (°F) |
8.0 g/cm3 |
1454 °C (2650 °F) |
SS 309 Round Bar Application IndustriesOur Stainless Steel 309 Round Bar are used in a wide range of applications and various industries. Below are a few of them:
Petrochemical Industry
Oil and Gas Industry
Chemical Industry
Power Plant Industry
Energy Industry
Pharmaceuticals Industry
Pulp & Paper Indusry
Food Processing Industry
Aerospace Industry
Refining Industry
ASTM A276 309 Round Bar Specification |
ASTM A276 / ASTM A479 /ASTM A182 / ASME SA276 / ASME SA479 / ASME SA182 |
ASTM A276 309 Round Bar Manufacturing Process |
Hot Rolled / Cold Rolled / Hot Forging / Rolling / Machining |
ASTM A276 309 Round Bar Other Grades |
202 / 304 / 304L / 304H / 309S / 310S / 316 / 316L / 316Ti / 317L / 321 / 321H / 347 / 347H / 904L etc. |
ASTM A276 309 Round Bar Dimension |
Round Bars : Outside Diameter in the range of 4mm to 500mm |
ASTM A276 309 Round Bar Length |
2 meters to 7.5 meters ( 8 feet to 24 feet), or Custom Length as per Requirement |
ASTM A276 309 Round Bar Forms and Shape |
Round, Square, Hex (A/F), Rectangle, Billet, Ingot, HRAP, Bright, Shaft, Forging Etc. |
ASTM A276 309 Round Bar Finish |
Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
ASTM A276 309 Round Bar Dimension Standard |
ASTM A 484 / ISO h11 / ISO K12 Tolerances F8 / h8, h9, h10, h11, h12, k12, k13, A-484, EN-10060, DIN-1013 etc. |
ASTM A276 309 Round Bar Heat Treatment |
Condition A in which the bars are Annealed |
ASTM A276 309 Round Bar Surface Finish |
Centreless Ground & Belt Polished, up to Ra value = 0.2 um (12 RMS), and Grit Polished of up to 180 to 600 |
ASTM A276 309 Round Bar Chamfering |
Available in 30°, 45° & 60° through fully automatic, both-end chamfering machine |
ASTM A276 309 Round Bar Other Testing |
NACE MR0175, IGC TEST, Intergranular Corrrosion Test as per ASTM A262 Practice E, Charpy Impact Test, Macro, Grain Size, Hardness, Magnetic Particle Inspection (MPI), 100% tested thru Digital Ultrasonic Flaw Detector, as per ASTM A-388, EN 10308 (class 1to4),API 6A/ISO 10423:2003-PSL3,SEP 1920:1984 ( class A,B,C), MIL STD 2154 etc. |
ASTM A276 309 Round Bar Value Added Services |
Rolling, Drill, Punch, CNC Machining, Sand Blasting, Shot Blasting, Heat Treatment, Anti-rust Paint, Polishing |
ASTM A276 309 Round Bar Packaging |
Loose / Carrate / Wooden Pallet / Wooden Box / Plastic Cloth Wraps |
ASTM A276 309 Round Bar Shipment & Transportation |
By Road - Truck / Train Partial Load, Full Load, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes |
ASTM A276 309 Round Bar Material Test Certificate |
Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS, Bureau of Indian Standards BIS Approved ETC |
ASTM A276 309 Round Bar Documentation |
Commercial Invoice which includes HS Code / Packing List including net weight and gross weight, number of boxes, Marks and Numbers / Certificate of Origin legalized/attested by Chamber of Commerce or Embassy / Fumigation Certificates / Raw Material Test Reports / Material Traceability Records / Quality Assurance Plan (QAP) / Heat Treatment Charts / Test Certificates certifying NACE MR0103, NACE MR0175 / Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2 / Guarantee Letter / NABL approved Laboratory Test Reports / Welding Procedure Specification/Procedure Qualification Record, WPS/PQR / Form A for the purposes of the Generalized System of Preferences (GSP) |
STANDARD |
UNS |
WNR. |
AFNOR |
EN |
JIS |
BS |
GOST |
SS 309 |
S30900 |
1.4828 |
- |
- |
SUS 309 |
- |
- |
|
C |
Mn |
Si |
P |
S |
Cr |
Ni |
Fe |
309 |
0.2 max |
2.0 max |
1.0 max |
0.045max |
0.03max |
22 24 |
12-15 |
Balance |
Grade |
Tensile Strength ksi (min) |
Yield Strength 0.2% ksi (min) |
Elongation % |
Hardness (Brinell) MAX |
309 |
40 |
30 |
40 |
217 |
Grade |
Density |
Thermal Conductivity |
Electrical |
Modulus of |
Coefficient of |
Specific Heat |
Melting |
309 |
at 68°F: 0.285 |
9.0 at 32- 212°F |
30.7 at 68°F |
28.5 |
8.28 at 32 – 212°F |
0.1200 at 68°F to 212°F |
2500-2590 |
SS 309 |
|
Density lbm/in3 |
Melting Point (°F) |
8.0 g/cm3 |
1454 °C (2650 °F) |