Stainless Steel 310 Round Bar Supplier
Furnace Builders & Heat-Treat Plants — Multinox Inc Exports ASTM A479 Stainless Steel 310 Round Bar with Full Traceability in Every Diameter.
Multinox INC is a licensed and certified 310 Stainless Steel Round Bars manufacturer and supplier known for its SS 310 Bars and 310 SS Rods. We are well-known Exporter of Stainless Steel 310 Round Bars with both small and large diameters including bars having outside diameters ranging from 6 mm to 500 mm. We also supply 310 SS Round Bars in polished form to a number of customers around the world.
We engineer our Stainless Steel 310 Forged Bars for accuracy that meets our customer's specifications. Our SS 310 Forged Bars are used for a range of applications including boiler baffles, furnace components, and other high-temperature applications.
Grade 310 steel bars come in various forms like Stainless Steel 310 Round Bars, SS 310 Square Bars and SS 310 Hex Bars of commendable quality that meets the specifications of our customers. Our Stainless Steel 310 Rectangular Bars have a high chromium content combined with molybdenum and nitrogen, which gives it the characteristic of versatility to be used in a wide range of industrial applications.
We also specialize in the production and delivery of 310 Stainless Steel Flat Bars and 310 Stainless Steel Threaded Bars. We design and manufacture SS 310 Cold Drawn Bars at our facility, which is well equipped with modern technology and a competent workforce. We offer SS 310 Polished Round Bars to clients in various sectors including food, paper, cement and oil and gas industries.
We also produce 310 Stainless Steel Flat Bars and 310 Stainless Steel Threaded Bars that meet the global standards. We are one of the best SS 310 Round Bars Suppliers in the country, catering to the needs of our clients within a stipulated time. Contact us for stainless steel products of highest quality at competitive prices and help us serve you better.
Available Forms & Types
Most Common
Round Bars
Cold drawn, centreless ground & polished. Used in shafts, fasteners, machined components.
- OD: 4mm to 500mm
- Bright / Polish / Black finish
- Length: 1–6 metres
Precision
Hex Bars
Across-flat 18mm–57mm. Ideal for bolt, nut & valve body machining applications.
- 18mm – 57mm A/F
- Cold drawn condition
- Non-magnetic grade
Structural
Square Bars
Used in structural fabrication, tooling and engineering. Custom sizes available.
- 18mm – 47mm
- Bright / Rough Turned
- Custom sizes on request
Wide Range
Flat Bars
Width ½" to 10", thickness 2mm to 150mm. Sheared & edged or hot-rolled condition.
- Width: ½" to 10"
- Thickness: 2–150mm
- Custom width available
Hollow
Hollow Bars
Seamless hollow bar for bushings, sleeves & valve bodies. Saves machining time.
- OD: 4mm to 100mm
- Various wall thickness
- Centreless ground
High Strength
Forged Bars
Hot forged for superior grain structure. Heavy-duty industrial and aerospace use.
- 15mm to 300mm
- Ultrasonic tested
- Rough turned finish
ASTM A276 Stainless Steel 310 Round Bar Specifications
Tell us the length, we cut exactly that — Stainless Steel 310 Round Bar arrives with mill certificates and zero offcut waste.
| Grade | SS 310/310S/310H |
| Specification | EN, DIN, JIS, ASTM, BS, ASME, AISI, IS |
| Standard | ASTM A276/ASME SA276, ASTM A479/ASME SA479 & ASTM A164/ASME SA164 |
| Round Bars | Outside Diameter in the range of 4mm to 500mm above as per the customer requirement. |
| Round Bars | Outside Diameter in the range of 4mm to 500 mm above as per the customer requirement. |
| Hex Bars | 18mm – 57mm (11/16″ to 2-3/4″) above as per the requirement. |
| Square Bars | 18mm – 47mm (11/16″ to 1-3/4″) above as per the requirement. |
| Flat Bars | 1/2” to 10” in thickness range of 2mm to 150mm |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Finish | Black, Bright. Peeled and Polished, Solution annealed. |
| Technique | Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
Chemical Composition of ASTM A479 Stainless Steel 310 Round Bar
Nickel keeps the structure steady, chromium builds the oxide shield — Stainless Steel 310 Round Bar's chemistry is pure heat discipline.
Cr
24 – 26%
Chromium
Si
0.15 max
Silicon
Mo
0.10 max
Molybdenum
Mn
2.0 max
Manganese
C
0.015 max
Carbon
N
54.7 min
Nitrogen
S
0.015 max
Sulphur
P
0.020 max
Phosphorus
Ni
19 – 21%
Nickel
Check UNS S31000 Round Bar — Equivalent Grades
From BS 310S24 to UNS S31000, whichever standard your drawing quotes, Stainless Steel 310 Round Bar is already certified to it.
Grade
SS 310
Material
UNS
S31000
UNS
BS
310S24
British Standard
WNR
1.4841
Werkstoff No.
JIS
SUS 310
Japanese Standard
EN
X15CrNi25-20
European Standard
GOST
20Ch25N20S2
Russian Standard
EN X15CrNi25-20 Round Bar Mechanical Properties
Radiant tubes, retorts, burner nozzles — Stainless Steel 310 Round Bar stays dimensionally solid through years of fire-side service.
| Property | Value |
|---|---|
| Poisson’s Ratio | 0.30 |
| Tensile Strength | 520 – 700 MPa |
| Yield Strength | 205 MPa (min) |
| Hardness | 160 HB (max) |
| Elongation | 35% (min) |
| Modulus of Elasticity | 200 GPa |
check Weight Chart of BS 310S24 Round Bar
| Size (inches) | Weight (kg/m) | Size (mm) | Weight (lbs/ft) |
|---|---|---|---|
| 1/2″ | 1.09 kg/m | 12.70 mm | 0.73 lbs/ft |
| 1/4″ | 0.38 kg/m | 6.35 mm | 0.25 lbs/ft |
| 5/8″ | 1.69 kg/m | 15.88 mm | 1.13 lbs/ft |
| 3/8″ | 0.67 kg/m | 9.53 mm | 0.45 lbs/ft |
| 7/8″ | 3.28 kg/m | 22.23 mm | 2.20 lbs/ft |
| 3/4″ | 2.42 kg/m | 19.05 mm | 1.63 lbs/ft |
| 1-1/4″ | 6.06 kg/m | 31.75 mm | 4.07 lbs/ft |
| 1″ | 4.27 kg/m | 25.40 mm | 2.87 lbs/ft |
| 2″ | 13.76 kg/m | 50.80 mm | 9.24 lbs/ft |
| 1-1/2″ | 8.17 kg/m | 38.10 mm | 5.47 lbs/ft |
JIS SUS 310 Round Bar Tolerance Chart
| Dimensions (Width x Thickness) | Tolerance on Thickness | Tolerance on Width |
|---|---|---|
| Up to 50 mm x 6 mm | +1.5 mm / -0.5 mm | +1.5 mm / -0.5 mm |
| 150 mm x 20 mm to 300 mm x 40 mm | +3 mm / -1.5 mm | +3 mm / -1.5 mm |
| 50 mm x 6 mm to 150 mm x 20 mm | +2 mm / -1 mm | +2 mm / -1 mm |
| Above 500 mm x 60 mm | +5 mm / -3 mm | +5 mm / -3 mm |
| 300 mm x 40 mm to 500 mm x 60 mm | +4 mm / -2 mm | +4 mm / -2 mm |
Recent Stainless Steel 310 Round Bar Export Deliveries
🇸🇦
Saudi Aramco Total
Al Jubail, Saudi Arabia
BS 310S24 Bright Round Bars, 16mm Diameter
Delivered in 7 days
🇺🇸
Hess Corporation
New York City, USA
UNS S31000 Peeled & Turned Bars, 40mm
Delivered in 14 days
🇬🇧
Shell PLC
London, United Kingdom
EN X15CrNi25-20 Polished Round Bars, 28mm
Delivered in 14 days
🇦🇪
ADNOC
Abu Dhabi, UAE
JIS SUS 310 Cold Drawn Round Bars, 60mm
Delivered in 5 days
🇿🇦
Sasol Limited
Johannesburg, South Africa
GOST 20Ch25N20S2 Centerless Ground Bars, 90mm
Delivered in 21 days
🇩🇪
BASF SE
Ludwigshafen, Germany
WNR 1.4841 Hot Rolled Black Bars, 52mm
Delivered in 18 days
Availability of UNS S31000 Round Bars
| Stainless Steel 310 Bright Round Bar | ASTM A276 Black Round Bar |
| UNS S31000 Polished Round Bar | ASTM A479 Peeled Round Bar |
| WNR 1.4841 Turned Round Bar | EN X15CrNi25-20 Ground Round Bar |
| BS 310S24 Cold Drawn Round Bar | JIS SUS 310 Hot Rolled Round Bar |
| GOST 20Ch25N20S2 Peeled & Polished Round Bar | Stainless Steel 310 Centerless Ground Round Bar |
| ASTM A479 Bright Bar | WNR 1.4841 Black Bar |
| EN X15CrNi25-20 Polished Bar | BS 310S24 Peeled Bar |
| JIS SUS 310 Turned Bar | GOST 20Ch25N20S2 Ground Bar |
| UNS S31000 Cold Drawn Bar | ASTM A276 Hot Rolled Bar |
| Stainless Steel 310 Peeled & Polished Bar | ASTM A479 Centerless Ground Bar |
EN X15CrNi25-20 Round Bar — Latest Prices
Multinox INC offers WNR 1.4841 Round Bars at one of the most competitive prices in India. Request the latest Stainless Steel Round Bars Pricelist using the contact form here.