Round Bars
Stainless Steel Bar, Stainless Steel Rods, SS Round Bar Suppliers, Stainless Steel Round Bars, SS Round Bar, Stainless Steel Hex Bar, Stainless Steel Square Bar, Stainless Steel Bar Manufacturer & Exporter in India.
Round Bar Specification
| Application | : | Machined Components, Pump Shafts, Valves, Fasteners, Machine Tools, Dairy Equipments, Surgical & Medical Parts, Threaded Bars, Studs, Bolts, Pins, Hinges and Handles. |
| Grade | : | 201a, 201b, 201c, 202, 204Cu, 303, 303Cu, 303F, 304, 304Cu, 304L, 310, 316, 316L, 32, 410, 420, 416, 430, 431, 430F & others |
| Condition | : | Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished |
| Diameter | : | (Size) 2 mm to 12mm (1/8" to 1/2") 6mm to 40mm (1/4" to 1 1/2") |
| Diameter Tolerance | : | h9 (Din 671),h11 ASTM A 484 H7, h8, h9 (Din 671) |
| Length | : | As per requirement Upto 7 mtrs with a min. length tol. of -0+/100mm As per requirement Upto 7 mtrs with a min. length tol. of -0+/100mm |
Equivalent Grades of SS Round Bars
|
UNS
|
AISI
|
Werkstoff
|
Outokumpu
|
ASTM
|
|---|---|---|---|---|
|
S31254
|
904L
|
1.4547
|
254SMO
|
A276
|
|
N08904
|
1.4539
|
6Mo (Moly)
|
A479
|
|
|
EN10272
|
B677
|
|||
|
F44
|
Stainless Steel Round Bars Chemical Composition
| ASTM Grade | C | Mn | Si | S | P | Cr | Ni | Mo | Other |
| 304 | 0.08 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 18.0-20.0 | 8.0 11.0 | - | - |
| 316 | 0.08 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 16.0-18.0 | 10.0 14.0 | 2.0 3.0 | - |
| 317L | 0.035 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 18.0-20.0 | 11.0 14.0 | 3.0 4.0 | - |
| 310 S | 0.08 max | 2.00 max | 1.5 max | 0.030 max | 0.045 max | 24.0-26.0 | 19.0 22.0 | 3.0 4.0 | - |
| 347 H | 0.04 0.10 | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 17.0- 19.0 | 9.0 13.0 | - | 10C(Cb+Ta)<1.10% |
| 321 | 0.08 | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 17.0-20.0 | 9.0 12.0 | - | 5C 0.70% |
Mechanical Properties Stainless Steel Rods
|
Grade
|
Tensile Strength
|
Yield Strength (0.2%Offset)
|
Elongation
|
Density
|
MeltingPoint
|
|
SS 304 Round Bar
|
Psi – 75000 , MPa – 515
|
Psi – 30000 , MPa – 205
|
40%
|
8.0 g/cm3
|
1400 °C (2550 °F)
|
|
SS 202 Round Bar
|
515 MPa
|
275 MPa
|
40 %
|
8.0 g/cm3
|
1454 °C (2650 °F)
|
|
SS 303 Round Bar
|
Psi – 85,000
|
Psi – 45,000
|
50 %
|
55%
|
Rb 180
|
|
SS 304L Round Bar
|
Psi – 75000 , MPa – 515
|
Psi – 30000 , MPa – 205
|
40%
|
8.0 g/cm3
|
1400 °C (2550 °F)
|
|
SS 316 Round Bar
|
Psi – 75000 , MPa – 515
|
Psi – 30000 , MPa – 205
|
35 %
|
8.0 g/cm3
|
1454 °C (2650 °F)
|
|
SS 316L Round Bar
|
485 Min
|
170 Min.
|
40 %
|
8.0 g/cm3
|
1400 °C (2550 °F)
|
Physical Properties of Stainless Steel Bars
| Tensile Psi (Mpa) | Yield Psi (Mpa) | Elongation Strip / Round | Hardn. | Reduction in Area (%) |
| 75000 (515) | 30000(205) | 30 | - | 40 |
| 75000 (515) | 30000 (250) | 30 | - | 40 |
| 75000 (515) | 30000 (250) | 30 | - | 40 |
| 75000 (515) | 30000 (250) | 30 | - | 40 |
| 75000 (515) | 30000 (250) | 30 | - | 40 |
| 75000 (515) | 30000 (250) | 30 | - | 40 |
Sizes of Stainless Steel Round Bars
|
Type
|
SIZES (mm)
|
SIZES (Inches)
|
ISO Tolerance
|
|---|---|---|---|
|
Cold Drawn and Polish
|
3.00 - 75.00
|
1/8 - 3.00
|
h8-h9-h10-h11
|
|
Cold Drawn and Ground
|
10.00 - 75.00
|
5/6 - 2.50
|
h8-h9-h10-h11
|
|
Peeled and Polished
|
40.00 - 150.00
|
1.50 - 6.00
|
h11, h11-DIN 1013
|
|
Peeled and Ground
|
20.00 - 50.00
|
3/4 - 2.00
|
h9-h10-h11
|
|
5.0
|
45.0
|
|
6.0
|
50.0
|
|
7.0
|
55.0
|
|
8.0
|
60.0
|
|
9.0
|
65.0
|
|
10.0
|
70.0
|
|
12.0
|
75.0
|
|
16.0
|
80.0
|
|
20.0
|
90.0
|
|
25.0
|
100.0
|
|
30.0
|
130.0
|
|
35.0
|
160.0
|
|
40.0
|
200.0
|
Weight Chart of Stainless Steel Round Bars
| Diameter (mm) |
Weight Chart per metre (kg) |
Dia (in) |
Weight Chart per metre (kg) |
|---|---|---|---|
| 3mm | 0.06 | 1/8" | 0.06 |
| 4mm | 0.10 | 3/16" | 0.14 |
| 5mm | 0.16 | 1/4" | 0.25 |
| 6mm | 0.22 | 5/16" | 0.39 |
| 7mm | 0.30 | 3/8" | 0.56 |
| 8mm | 0.40 | 7/16" | 0.77 |
| 10mm | 0.62 | 1/2" | 1.00 |
| 12mm | 0.89 | 9/16" | 1.22 |
| 14mm | 1.22 | 5/8" | 1.56 |
| 15mm | 1.40 | 11/16" | 1.89 |
| 16mm | 1.59 | 3/4" | 2.25 |
| 18mm | 2.01 | 7/8" | 3.07 |
| 20mm | 2.48 | 1" | 4.03 |
| 22mm | 3.00 | ||
| 24mm | 3.57 | ||
| 25mm | 3.88 |
Dimensions of Hot Rolled SS Round Bars
| Diameter or Width (mm) |
Weight per meter | Sectional Area | Perimeter | |||
| Square (kg) |
Round (kg) |
Square (cm²) |
Round (cm²) |
Square (cm) |
Round (cm) |
|
| 5.0 | 0.20 | 0.15 | 0.25 | 0.20 | 2.0 | 1.57 |
| 5.5 | 0.24 | 0.19 | 0.30 | 0.24 | 2.2 | 1.78 |
| 6.0 | 0.28 | 0.22 | 0.36 | 0.28 | 2.4 | 1.88 |
| 7.0 | 0.38 | 0.30 | 0.49 | 0.38 | 2.8 | 2.20 |
| 8.0 | 0.50 | 0.39 | 0.64 | 0.50 | 3.2 | 2.51 |
| 9.0 | 0.64 | 0.50 | 0.81 | 0.64 | 3.6 | 2.83 |
| 10 | 0.73 | 0.63 | 1.00 | 0.79 | 4.0 | 3.14 |
| 11 | 0.95 | 0.75 | 1.21 | 0.95 | 4.4 | 3.46 |
| 12 | 1.13 | 0.89 | 1.44 | 1.13 | 4.8 | 3.77 |
| 14 | 1.54 | 1.21 | 1.96 | 1.54 | 5.6 | 4.40 |
| 16 | 2.01 | 1.58 | 2.56 | 2.01 | 6.4 | 5.03 |
| 18 | 2.54 | 2.00 | 3.24 | 2.54 | 7.2 | 5.65 |
| 20 | 3.14 | 2.47 | 4.00 | 3.14 | 8.0 | 6.28 |
| 22 | 3.80 | 2.98 | 4.84 | 3.80 | 8.8 | 6.91 |
| 25 | 4.91 | 3.85 | 6.25 | 4.91 | 10.0 | 7.85 |
| 28 | 6.15 | 4.83 | 7.84 | 6.16 | 11.2 | 8.80 |
| 32 | 8.04 | 6.31 | 10.24 | 8.04 | 12.8 | 10.05 |
| 36 | 10.17 | 7.99 | 12.96 | 10.18 | 14.4 | 11.31 |
| 40 | 12.56 | 9.86 | 16.00 | 12.57 | 16.0 | 12.57 |
| 45 | 15.90 | 12.49 | 20.25 | 15.90 | 18.0 | 14.14 |
| 50 | 19.62 | 15.41 | 25.00 | 19.64 | 20.0 | 15.71 |
| 56 | 24.62 | 19.34 | 31.36 | 24.63 | 22.4 | 17.59 |
| 63 | 31.16 | 24.47 | 36.69 | 31.17 | 25.2 | 19.79 |
| 71 | 39.57 | 31.08 | 50.41 | 39.59 | 28.4 | 22.31 |
| 80 | 50.24 | 39.46 | 64.00 | 50.27 | 32.0 | 25.13 |
Types Of Round Bar