STEEL SQUARE BARS
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DETAILED INFORMATION
Steel square bars are solid, four-sided bars made of steel, a versatile metal alloy. Square bars with equal dimensions on all sides have a square cross-section. They are usually produced by hot rolling or cold drawing, resulting in a consistent shape. The following description overviews steel square bars’ essential features, properties, and applications.
Steel square bars are known for their exceptional strength and durability. Due to its high tensile strength and excellent structural integrity, steel is an alloy of iron and carbon. Steel square bars are, therefore, suitable for applications requiring load-bearing capacity, resistance to bending and deformation, and long-term durability.
There are various grades of square steel bars, each with its composition and properties. Carbon steel (such as ASTM A36) and alloy steels (such as 4140 or 4340) are common steel grades for square bars. When choosing a grade, considering the intended application and the mechanical properties, such as tensile strength, yield strength, and hardness, is essential.
Steel square bars’ versatility can be seen in their wide range of applications across many industries. Structures such as supports, braces, and frameworks are commonly used in the construction industry. Buildings, bridges, and other infrastructure projects benefit from the strength and rigidity of steel, which provides stability and support.
Square steel bars are also used in manufacturing and fabrication. In addition to gears, shafts, axles, and fasteners, they manufacture machinery components. Due to their square shape, these bars are highly versatile for various fabrication processes, including milling, drilling, and turning.
Furthermore, the automotive industry uses square steel bars to manufacture suspension components, axles, and drive shafts. Steel’s high strength and fatigue resistance ensure optimal performance and safety in demanding automotive applications.
Power transmission components, such as shafts, couplings, and spindles, are manufactured using square steel bars in the energy sector. Steel’s reliable strength and stiffness in power generation and distribution systems ensure efficient power transfer and long-term durability.
Square steel bars also manufacture industrial machinery, agricultural equipment, and material handling systems. The frames supports, and structural elements they create can withstand heavy loads and repeated use.
In addition to galvanizing or coating steel square bars, various surface treatments can enhance their corrosion resistance. As a result of these treatments, square steel bars are suitable for outdoor applications or environments prone to moisture and harsh conditions.
Steel square bars are versatile, robust, durable metal components with a square cross-section. Among their many applications are construction, manufacturing, automotive, energy, and machinery. Steel square bars offer excellent strength, reliability, and longevity for structural support, machinery components, or power transmission.
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Siuri, Tamluk, Titagarh
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Afghanistan, Albania, Algeria, Andorra, Angola, Antigua-Barbuda Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia-Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina-Faso, Burundi, Côte d’Ivoire, Cabo Verde, Cambodia, Cameroon, Canada, Central African Republic, Chad, Chile, China, Colombia, Comoros, Congo (Congo-Brazzaville), Costa-Rica, Croatia, Cuba, Cyprus, Czechia (Czech Republic), Democratic Republic of the Congo, Denmark, Djibouti, Dominica, Dominican Republic, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Eswatini (fmr. “Swaziland”), Ethiopia, Fiji, Finland, France, Gabon, Gambia, Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Holy See, Honduras, Hungary, Iceland, India, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kazakhstan, Kenya, Kiribati, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania, Luxembourg, Madagascar, Malawi, Malaysia, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Myanmar (formerly Burma), Namibia, Nauru, Nepal, Netherlands, New Zealand, Nicaragua, North Korea, North Macedonia, Norway, Oman, Pakistan, Palau, Palestine-State, Panama, Papua, New Guinea, Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia, Rwanda, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa, South Korea, South Sudan, Spain, Sri Lanka, Sudan, Suriname, Sweden, Switzerland, Syria, Tajikistan, Tanzania, Thailand, Timor-Leste, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, United Arab Emirates, United Kingdom, United States of America, Uruguay, Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zambia, Zimbabwe.
Steel Square Bar Specification
Material |
202, 203, 304, 304h, 304l, 304ln, 316, 316h, 316l, 316ln, 316ti, 309, 310, 317l, 321, 347, 409, 410, 420, 430, 446, 904l, ASTM A276, ASTM A484, F2, F5, F9, F11, F22, F91, LF2, LF3, AISI, ASTM A105 / ASME SA105, ASTM / ASME SA276, ASTM A350 F1 |
Size |
from 2.00mm to 6.35mm |
Thickness |
5 mm To 500 mm thick in 100 mm TO 6000 mm |
Form |
Round, Square, Hex (A/F), Bush, Rectangle, Flat, Wire Mesh |
Finish |
Bright, Black, Polish |
Condition |
Cold Drawn & Polished, Cold Drawn, Centreless Ground & Polished |
Grade |
Steel Square Bar |
Steel Square bar size |
4 to 100mm |
Steel Square Bar Hollow Bar |
32mm OD x 16mm ID to 250mm OD x 200mm ID) |
Steel Square Bar Hex Bar size |
2-100mm A/F |
Steel Angle bar size |
3mm*20mm*20mm~12mm*100mm*100mm |
Steel Square Bar Rectangles Size |
33 x 30mm to 295 x 1066mm |
Steel Square Bar Flat bar size |
Thickness: 2 -100mm |
Width: 10 to 500mm |
|
Steel Channel Bar |
80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
Steel Square Bar Section |
3.0 to 12.0mm thickness |
Steel Square Bar size |
Diameter: 3-~800mm |
Steel Billet Size |
1/2″ to 495mm Diameter |
Steel Square Bar Standard Dimensions |
Diameter / Height: Steel Rod and Bar Sizes: 0.5 inches / 0.625 inches / 0.75 inches / 0.875 inches / 1.0 inches / 1.125 inches / 1.25 inches / 1.375 inches / 1.5 inches / 1.75 inches / 2.0 inches / 2.25 inches / 2.5 inches / 2.75 inches / 3.0 inches / 3.25 inches / 3.5 inches / 3.75 inches / 4.0 inches / 4.25 inches / 4.5 inches / 5.0 inches / 5.25 inches / 5.5 inches / 6.0 inches / 7.0 inches / 8.0 inches / 9.0 inches. |
Steel Surface |
Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
Steel Square Bar Tolerance |
H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
Steel Square Bar Technique |
Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
Steel Condition |
Hardened & tempered, annealed |
Processing |
Bar cutting to 650mm |
Our Steel Round bar conforms to NACE MR0175/ISO 15156 |
Stainless Steel Solid Square Bar Chemical Standard
Element | C | Cr | Mn | Ni | P | S | Si |
SS 304 | 8.0 – 11.0 | 18.0 – 20.0 | 2.0 max | 8.0 – 11.0 | 0.045 max | 0.03 max | 1.0 max |
SS 304L | 8.0 – 11.0 | 18.0 – 20.0 | 2.0 max | 8.0 – 12.0 | 0.045 max | 0.03 max | 1.0 max |
SS 316 | 0.08 | 18.0 | 2.00 | 14.0 | 0.045 max | 0.03 max | 0.75 max |
SS 316L | 0.08 | 18.0 | 2.00 | 14.0 | 0.045 max | 3.00 max | 0.10 max |
Stainless Steel Square Bar Mechanical Characteristics
Element |
Tensile Strength |
Yield Strength |
Elongation |
Reduction in Area |
Hardness |
SS 304 |
Psi – 85,000 |
Psi – 45,000 |
50% |
55% |
Rb 180 |
Equivalent Grades Of Ss Square Bar
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 304 | 1.4301 | S30400 | SUS 304 | 304S31 | 08Х18Н10 | Z7CN18-09 | X5CrNi18-10 |
SS 304L | 1.4306/1.4307 | S30403 | SUS 304L | 304S11 | 03Х18Н11 | Z7CN18‐09 | X2CrNi18-9 / X2CrNi19-11 |
SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17‐11‐02 / Z3CND18‐14‐03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Conditions Of Steel Square Bar
H&T |
Hardened and tempered. |
ANN |
Annealed |
PH |
Precipitation hardened. |
Surface Finish Of Steel Square Bar Hex Bar And Rods
CG |
Centreless ground |
HF |
Hot finished |
CF |
Cold finished |
HRAP |
Hot rolled, annealed, and pickled |
CD |
Cold drawn |
P |
Polished |
BD |
Bright drawn |
SRE |
Slit rolled edge |
P&T |
Peeled and turned |
RT |
Rough-turned/peeled |
ST |
Smooth turned |
PR |
Peeled and reeled |
Steel Square Bar Sizes
Type | SIZES (mm) | SIZES (Inches) | ISO Tolerance |
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 |
Cold Drawn and Polish | 3.00 – 75.00 | 1/8″ – 3.00″ | h8-h9-h10-h11 |
Steel Bars Standard Lengths Of 2000 Mm Up To 6000 Mm. Cut To Size On Request (Tolerance +2/-0 Mm).
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 |
Different Grades Of Stainless Steel 316 Box Bar
SQUARES |
||
Size(mm) |
WT PER FEET IN KGS |
WT PER MTR IN KGS |
16 |
0.62 |
2.05 |
18 |
0.79 |
2.59 |
20 |
0.76 |
2.49 |
22 |
1.18 |
3.87 |
25 |
1.52 |
5.00 |
28 |
1.91 |
6.27 |
30 |
2.19 |
7.20 |
32 |
2.50 |
8.19 |
36 |
3.16 |
10.37 |
38 |
3.52 |
11.55 |
40 |
3.90 |
12.80 |
45 |
4.94 |
16.20 |
50 |
6.10 |
20.00 |
56 |
7.65 |
25.08 |
60 |
– |
– |
65 |
– |
– |
70 |
– |
– |
75 |
– |
– |
80 |
– |
– |
90 |
– |
– |
100 |
– |
– |
Ss Square Bar Weight Chart
SQUARES |
||
Size(mm) |
WT PER FEET IN KGS |
WT PER MTR IN KGS |
16 |
0.62 |
2.05 |
18 |
0.79 |
2.59 |
20 |
0.76 |
2.49 |
22 |
1.18 |
3.87 |
25 |
1.52 |
5.00 |
28 |
1.91 |
6.27 |
30 |
2.19 |
7.20 |
32 |
2.50 |
8.19 |
36 |
3.16 |
10.37 |
38 |
3.52 |
11.55 |
40 |
3.90 |
12.80 |
45 |
4.94 |
16.20 |
50 |
6.10 |
20.00 |
56 |
7.65 |
25.08 |
60 |
– |
– |
65 |
– |
– |
70 |
– |
– |
75 |
– |
– |
80 |
– |
– |
90 |
– |
– |
100 |
– |
– |
Stainless Steel Bright Square Bar Sizes And Schedules
-
Metric Stainless Steel Square bar
6mm, 8mm, 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 18mm, 20mm, 22mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 120mm, 150mm
Imperial SS Square Bar
1/4″, 5/16″, 3/8″ 1/2″, 5/8″, 3/4″, 7/8″, 1″, 1 1/4″, 1 1/2″, 1 3/4″, 2”, 4″
Tolerance Standard Of Stainless Steel Square Rod
SIZE in Millimetre |
PERMITTED VARIATION CHART |
|||
PRIMARY ROLLED |
RE-ROLLED |
|||
DIAMETER +/- Milimeter |
OUT OF SECTION Millimeter |
DIAMETER OR WIDTH ACROSS FLATS +/- Millimeter |
OUT OF SECTION Millimetre |
|
<=16 |
0.2 |
0.3 |
||
>16 <=26 |
0.3 |
0.5 |
||
>26 <=38 |
0.4 |
0.6 |
||
>38 <=51 |
0.5 |
0.8 |
||
>51 <=64 |
0.6 |
0.9 |
||
>64 <=76 |
0.7 |
1.1 |
||
>76 <=90 |
1.3 |
2.0 |
||
>90 <=120 |
1.5 |
2.3 |
||
>120 <=160 |
2.0 |
3.0 |
||
>160 <=200 |
2.5 |
3.8 |
||
>200 |
3.0 |
4.5 |
Square Bar Weight Calculation Formula
Square Bar Weight Formula 0.00623 X ( mm ) Diam X ( mm ) Diam = Weight / Meter 0.0019 X ( mm ) Diam X ( mm ) Diam = Weight / Feet |
Square Bar Weight Formula 0.00788 X ( mm ) Diam X ( mm ) Diam = Weight / Meter |
Square Bar Weight Forumla 0.00680 X ( mm ) Diam X ( mm ) Diam = Weight / Meter 0.002072 X ( mm ) Width X ( mm ) Diam = Weight / Feet |
Square Bar Weight Forumla 0.00798 X ( mm ) Thickness X ( mm ) Width = Weight / Meter 0.00243 X ( mm ) Width X ( mm ) Thickness = Weight / Fee |
Applications For Steel Square Bars:
- Construction:
- Manufacturing and fabrication:
- Automotive:
- Driveshafts
- Industrial machinery:
- Agriculture equipment
- Material handling:
- Outdoor structures
- Machinery and Components
- Infrastructure projects