Stainless Steel 304 Square Bars, UNS S30400 Square Bar

SS 304 Square Bar

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At Lakshya Steel, we are proud to be a leading supplier and manufacturer of SS 304 Square Bars. These bars, also known as stainless steel square rods, are highly popular in manufacturing and construction industries for their outstanding corrosion resistance, strength, and versatility. Made from high-quality 304 stainless steel, they contain 18% chromium and 8% nickel, making them highly resistant to rust and stains.

SS 304 square bars are widely used in architectural and structural projects, where their strength and aesthetic appeal make them ideal for handrails, furniture, and kitchen equipment. Their corrosion resistance also makes them suitable for outdoor and marine environments. Additionally, stainless steel square bars are easy to machine, weld, and form into various shapes and sizes, making them perfect for a wide range of industrial applications.

If you’re looking for competitive stainless steel square bar prices, we offer a range of options based on your needs. We provide detailed information such as SS 304 square bar weight charts and SS square bar standard sizes to help you choose the right product. Our SS 304 square bar price is competitive, and we also supply SS square rods in various standard sizes.

Contact Lakshya Steel today for the best 304 stainless steel square bar prices and a wide range of stainless square bars to meet your requirements.

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SS 304 Square Bar Specifications

Dimensions : ASTM, ASME

Standard : ASTM / ASME SA A582, A276, A564, ASTM A484, 484M

Surface : hrap, hot rolled pickled or sand blasting finished, cold drawn, polished, hairline

Size : Tolerance: H8, H9, H10, H11, H12, H13K9, K10, K11, K12

304 Stainless Steel Square Bar Chemical Composition

C Mn Si P S Cr Ni N
304 0.07max 2.0max 0.75max 0.045max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 10.5 —
304L 0.03max 2.0max 0.75max 0.045max 0.03max min: 18.0 max: 20.0 min: 8.0 max: 12.0 0.10 max
304H min: 18.0 max:20.0 min: 8.0 max: 10.5 min: 0.04 max:0.10 0.75 max 2.0 max 0.045 max 0.03 max 0.10 max

SS 304 Square Bar Mechanical Properties

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness
Rockwell B (HR B) max Brinell (HB) max
304 515 205 40 92 201
304L 485 170 40 92 201
304H 515 205 40 92 201
304H also has a requirement for a grain size of ASTM No 7 or coarser.

304 SS Square Bar Physical Properties

Grade Density(kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
304/L/H 8000 193 17.2 17.8 18.4 16.2 21.5 500 720

SS 304 Square Bar Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS BS GOST AFNOR EN
SS 304 1.4301 S30400 SUS 304 304S31 08Х18Н10 Z7CN18‐09 X5CrNi18-10

SS 304 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 – –

SS Square Bar Standard Sizes

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″

Stainless Steel 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
0.00240 X ( mm ) Diam X ( mm ) Diam = Weight / Feet
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

SS 304 Steel Square Bars Hsn Code:

HSN Code is known as Harmonized System Code, developed by World Customs Organization (WCO). HSN Code also known as HTS code in USA and NCM code in Brazil, HSN code in India.

First six digits of HSH Code, In all Countries are same.

  • First 2 digits – chapters
  • First 4 digits – heading
  • First 6 digits – sub heading

First Four Digits HSN Code Square Bar

Heading Codes

Heading Description

7222

Harmonized Syestem Codes Of Other Bars And Square Bars Of SS; Angles, Shapes And Sections Of Stainless Steel First Six Digits HSN Code SS Square Bar

First Six Digits HSN Code Square Bars

HSN Codes

Description of Products

722211

Harmonized Syestem Codes of Of circular cross section :

722219

Harmonized Syestem Codes of Other :

722220

Harmonized Syestem Codes of Bars and rods, cold-formed/cold-finished :

722230

Harmonized Syestem Codes of Other bars and rods :

722240

Harmonized Syestem Codes of Angles, shapes and sections :

First Eight Digits HSN Code Hex Bar

HSN Codes

Description of Products

72221111

HSN Codes Classification of Chromium type

72221112

HSN Codes Classification of Nickel chromium austenitic type

72221119

HSN Codes Classification of Other

72221191

HSN Codes Classification of Chromium type

72221192

HSN Codes Classification of Nickel chromium austenitic type

72221199

HSN Codes Classification of Other

72221911

HSN Codes Classification of Chromium type

72221912

HSN Codes Classification of Nickel chromium austenitic type

72221919

HSN Codes Classification of Other

72221991

HSN Codes Classification of Chromium type

72221992

HSN Codes Classification of Nickel chromium austenitic type

72221999

HSN Codes Classification of Other

72222011

HSN Codes Classification of Chromium type

72222012

HSN Codes Classification of Nickel chromium austenitic type

72222019

HSN Codes Classification of Other

72222091

HSN Codes Classification of Chromium type

72222092

HSN Codes Classification of Nickel chromium austenitic type

72222099

HSN Codes Classification of Other

72223011

HSN Codes Classification of Chromium type

72223012

HSN Codes Classification of Nickel chromium austenitic type

72223019

HSN Codes Classification of Other

72223091

HSN Codes Classification of Chromium type

72223092

HSN Codes Classification of Nickel chromium austenitic type

72223099

HSN Codes Classification of Other

72224010

HSN Codes Classification of Of thickness of 80 mm and above

72224020

HSN Codes Classification of Of below 80 mm

Types of SS 304 Square Bar

  • 304 Square Bar
  • SS 304 Square Bar
  • Stainless Steel 304 Square Bar
  • 304 Stainless Steel Square Bar
  • UNS S30400 Square Bar
  • 304 Bright Square Bar
  • SS 304 Bright Square Bar
  • 304 Stainless Steel Bright Square Bar
  • 304 Black Square Bar
  • 304 Hex Bar
  • SS 304 Hex Bar
  • Stainless Steel 304 Hex Bar
  • 304 Stainless Steel Hex Bar
  • UNS S30400 Hex Bar
  • 304 Square Bar
  • SS 304 Square Bar
  • Stainless Steel 304 Square Bar
  • 304 Stainless Steel Square Bar
  • UNS S30400 Square Bar
  • 304 Rectangular Bar
  • SS 304 Rectangular Bar
  • Stainless Steel 304 Rectangular Bar
  • 304 Stainless Steel Rectangular Bar
  • UNS S30400 Rectangular Bar
  • 304 Flat Bar
  • SS 304 Rectangular Bar
  • Stainless Steel 304 Flat Bar
  • 304 Stainless Steel Flat Bar
  • UNS S30400 Flat Bar
  • 304 Polished Bar
  • SS 304 Polished Bar
  • Stainless Steel 304 Polished Bar
  • 304 Stainless Steel Polished Bar
  • UNS S30400 Polished Bar
  • 304 Rod
  • SS 304 Rod
  • Stainless Steel 304 Rod
  • 304 Stainless Steel Rod
  • UNS S30400 Rod
  • 304 Precision Bar
  • 304 Wire Rod
  • 304 Forged Bar
  • 304 Annealed Bar
  • 304 Tempered Bar
  • 304 Bright Bar
  • 304 Peeled Bar
  • 304 Machined Bar

SS 304 Square Bar Applications

  • Oil and Gas Industry
  • Food Processing Equipment
  • Pipelines
  • Power Generation
  • Shipbuilding
  • Paper and Pulp Industry
  • Chemical Industry
  • Electric Motors and Pumps
  • Agricultural Equipment
  • Automotive Parts
  • Hoses and Fittings
  • Tools and Fixtures (strapping, banding, buckles, brackets)
  • Machinery Frames
application

SS Square Bars FAQ:

What is the size of a SS 304 square bar?
The size of an SS 304 square bar can vary widely depending on the manufacturer and specific application. Common sizes range from small dimensions, like 10mm x 10mm, to larger dimensions, like 100mm x 100mm. For exact sizes, it’s best to check with the supplier or manufacturer.
What is the length of a 12mm square bar?
The length of a 12mm square bar can vary based on the supplier. Typically, square bars come in standard lengths like 1 meter or 3 meters, but custom lengths are also available.
What is the formula for SS bar weight?
Weight (kg) = Volume (m³) × Density (kg/m³)
For a bar, the volume is found by multiplying its length, width, and height (or diameter for round bars). The density of stainless steel is typically about 8000 kg/m³.

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