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C40 
C40 Round Bar Supplier | C40 Forged Bar | C40 Bright Bar | C 40 Carbon Steel Round Bar | C40 Steel Manufacturer | C40 Stockist | C40 Exporter | C40 Heat Treated Steel | C40 Sheets and Plates | C40 Hot Rolled Bar

National Steel Industries is one of the most prominent suppliers of C40 Round Bars. C40 Sheets and Plates supplied by us are of premium quality. We are one of the leading manufacturers, stockists, exporters, dealers and suppliers of the C40 Carbon Steel Round Bar. C40 carbon steel wide range of applications ranging from metallurgical industry, mechanical industry, shipbuilding industry, aircraft industry, and automobile industry. The C40 steel is used to make machine parts such as screws, bolts, shafts, crankshafts, etc. The high tensile strength and hardness of C40 Sheets and Plates make them highly versatile. 

C40  C40 Round Bar Supplier | C40 Forged Bar | C40 Bright Bar | C 40 Carbon Steel Round Bar | C40 Steel Manufacturer | C40 Stockist | C40 Exporter | C40 Heat Treated Steel | C40 Sheets and Plates 

National Steel Industries also supplies C40 Forged Bars and C40 Bright Bars that meet international standards of quality. The materials are tested with impact tests, ultrasound test, temperature fatigue tests, bent tests, chemical analysis tests, etc before dispatch. 

C40 carbon steel technical datasheet and tempering curve data predict that the material can be performed with heat treatments such as quenching, tempering, annealing, and normalization. National Steel Industries provides C40 round bars that are tested for a variety of parameters and provided with a free material test certificate.

Mentioned below are C40 chemical composition and C40 mechanical properties: 

C40 Chemical Composition

The Chemical Composition of C40 contains a  low carbon content of 0.17 - 0.254 %. The material has an Mn content of 0.70 - 1.00 % which imparts hardness to the material. The contents of P is reduced to 0.035% and S is reduced to 0.035 % max as excess content of P and S can damage the quality of steel and can cause the carbon steel to break at low stresses. There is a Chromium, Nickel and Copper content of 0.25 % max.

Chemical Composition of C40 Carbon Steel

C%:     0.17-0.24
Si%:     0.17-0.37
Mn%:   0.7-1.00
S%:      0.035 max
P%:      0.035 max
Cr%:    0.25 max
Ni%:     0.25 max
Cu%:    0.25 max

 C40 Mechanical Properties

C40 has high hardness, tensile strength and yield strength as mechanical properties. Mechanical properties of the material can be modified by applying heat treatments to the material. C 40 tensile strength ranges from 500-1200 MPa. C40 yield strength ranges from 400-630 MPa. C40 density is high. The Types of Heat treatment can vary the mechanical properties of the material. Strength Test, Impact Test, Brinell Hardness Test, Fracture Toughness, and Durability Tests are the tests that are performed by us on C40. The C40 physical properties are listed below:

Property                     Value


Tensile Strength       500-1200 MPa
Yield Strength         400-630 MPa
Elongation                11-23%

Hardness                 180-350 HB

C40 Heat Treatments

  • Forging or hot rolling

  • Normalizing

  • Soft annealing 

  • Core hardening

  • Intermediate annealing

  • Case hardening

  • Tempering

  • Carburising

What is C40 Carbon Steel Round Bar?

C40 is a carbon steel grade of steel. It has high tensile strength and hardness. C40 carbon steel grade products are round bar, forged bars, square bars, hex bars, bright bars, sheets and plates, flat bars, ibeam, channels and angles. C40 round bar of carbon steel properties are varied by applying heat treatments. 

C40 Steel supplied by National Steel Industries is supplied to countries all around the world. We can supply the materials to any corner of the world. 

C40  C40 Round Bar Supplier | C40 Forged Bar | C40 Bright Bar | C 40 Carbon Steel Round Bar | C40 Steel supplier

C40 PRODUCTS

C40 Hot Rolled Round Bars | C40 Carbon steel Hot Rolled Round Bars | National Steel Industries | India | Mumbai

C40 Hot Rolled Round Bars | C40 Carbon steel Hot Rolled Round Bars

C40 Sheets and Plates | C40 Carbon steel Sheets and Plates | National Steel Industries | India | Mumbai

C40 Sheets and Plates | C40 Carbon steel Sheets and Plates

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C40 Hex Bars |C40 Carbon Steel Hex Bars | national steel industries | india | mumbai

C40 Hex Bars |C40 Carbon Steel Hex Bars

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C40 Forged Round Bars |C40 Carbon steel Forged Round Bars | National Steel Industries | India | Mumbai

C40 Forged Round Bars |C40 Carbon steel Forged Round Bars

C40 Square Bars | C40 Carbon Steel Square Bars | national steel industries | india | mumbai

C40 Square Bars | C40 Carbon Steel Square Bars

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​C40 Ibeams Channels and Angles | C 40 Carbon Steel | National steel industries | india | mumbai

C40 Ibeams Channels and Angles | C 40 Carbon Steel 

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C40 Cold Drawn or Bright Round Bars | C40 Carbon steel Bright Round Bars | national steel industries | india | mumbai

C40 Cold Drawn or Bright Round Bars | C40 Carbon steel Bright Round Bars

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C40 Flat Bars | C40 Carbon Steel Flat Bars | national steel industries | india | mumbai

C40 Flat Bars | C40 Carbon Steel Flat Bars

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C40 Pipes and Tubes | C 40 Pipes and Tubes | National Steel Industries | India | Mumbai

C40 Pipes and Tubes | C40 Carbon Steel Pipes and Tubes

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Uses of C40

The C40 is used for making structural steel products like Round Bars, IBeam, Channels, Angles, etc. The C40 carbon steel round bar is used by the automotive industry, aerospace industry, automobile industry, Oil Industry, civil engineers, mechanical engineers, etc. The C40 steel can be forged into a variety of products, hence it is used in a variety of fields. The products formed are of premium quality and can be used for a variety of purposes.

Uses of Round Bars

Round Bars Size

Product Name 

  
C40 Hot Rolled Round Bars    

C40 Cold Rolled and Cold Drawn Round bars 

C40 Peeled Round Bars    

C40 Ground Round Bars    

C40 Polished Round Bars    

C40 Turned Round Bars    

C40 Forged Bars    

C40 Proof Machine Bars    

        Size


16mm dia to 250mm dia
3mm dia to 100mm dia
3mm dia to 65mm dia
3mm dia to 65mm dia
3mm dia to 65mm dia
10mm dia to 1200mm dia
30mm dia to 1500mm dia
30mm dia to 1500mm dia

Square Bars Size

Product Name 

C40 Hot Rolled Square Bars    
C40 Cold Drawn Square Bars

C40 Peeled Square Bars   
C40 Ground Square Bars    
C40 Polished Square Bars    
C40 Forged Square Bars    
C40 Proof Machine Bars   

        Size

10mm Square to 200mm Square
10mm Square to 80mm Square
5mm Square to 80mm Square
5mm Square to 80mm Square
5mm Square to 50mm Square
30mm Square to 1500mm Square
30mm Square to 1500mm Square

Length Available

Standard Length Bars are available in Sizes:
 

3m

6m

12m

The Length can be cut and customized as per the customer's requirements.

Sizes  national Steel Industries  India  Mumbai.png

We also Provide

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National Steel Industries provides the best price and best quality for C40 round bars.

At Your service in

We are the leading supplier of C40 round bar supplier in  Mumbai,  Delhi,  Bangalore, Hyderabad, Ahmedabad, Chennai, Kolkata, Surat, Pune, Jaipur, Lucknow, Kanpur, Najpur, Indore, Thane, Bhopal, Visakhapatnam, Pimpri, Chinchwad, Patna, Vadodara, Ghaziabad, Ludhiana, Agra, Nashik, Ranchi, Faridabad, Meerut, Rajkot, Kalyan, Dombivli, Vasai, Virar, Varanasi, Aurangabad, Dhanbad, Amritsar, Navi Mumbai, Allahabad, Howrah, Gwalior, Jabalpur, Coimbatore, Vijayawada, Jodhpur, Madurai, Raipur, Kota, Chandigarh, Guwahati, Solapur, Hubli, Dharwad, Mysore, Tiruchirappalli, Gurgaon, Bhubaneswar, Salem, Warangal, Mira, Bhayandar, Jalgaon, Guntur, Thiruvananthapuram, Bhiwandi, Saharanpur, Amravati, Noida, Jamshedpur, Bhilai, Cuttack, Firozabad, Kochi, NelloreBhavnagar, Dehradun, Durgapur, Asansol, Rourkela, Nanded, Kolhapur, Ajmer, Akola, Gulbarga, Jamnagar, Ujjain, Loni, Siliguri, Jhansi, Ulhasnagar, Sangli, Miraj, Kupwad, Mangalore, Kurnooi, Ambattur, Rajahmundry, Tirunelveli, Malegaon, Gaya, Udaipur, Kakinada, Muzaffarnagar, Bhatpara, Panihati, Latur, Dhule, Rohtak, Sagar, Korba, Bhilwara, Berhampur, Muzaffarpur, Ahmednagar, Kollam, Avadi, Kadapa, Anantapuram, Kamarhati, Bilaspur, Sambalpur, Shahjahanpur, Satara, Bijapur, Rampur, Shimoga, Chandrapur, Junagadh, Thrissur, Alwar, Bardhaman, Kulti, Nizamabad, Parbhani, Tumkur, Khammam, Uzhavarkarai, Bihar, Panipat, Darbhanga, Bally, Aizawl, Dewas, Ichalkaranji, Karnal, Bathinda, Jalna, Eluru, Barasat, Kirari, SulemanNagar, Purnia, Satna, Mau, Sonipat, Farrukhabad, Durg, Imphal, Ratlam, Hapur, Arrah, Anantapur, Karimnagar, Etawah, Ambarnath, Bharatpur, Begusarai, NewDelhi, Gandhidham, Baranagar, Tiruvottiyur, Pondicherry, Katni, Secunderabad, Naihati, Yamunanagar, Bidhannagar, Pallavaram, Bidar, Munger, Panchkula, Burhanpur, RaurkelaIndustrialTownship, Kharagpur, Dindigul, Gandhinagar, Hospet, NangloiJat, Malda, Ongole, Deoghar, Chapra, Haldia, Khandwa, Nandyal, Morena, Amroha, Anand, Bhind, Bhalswa, Jahangir, Pur, Madhy, amgram, Bhiwani, Berhampore, Ambala, Morbi, Fatehpur, Raebareli, , Khora, , Ghaziabad, Chittoor, Bhusawal, Orai, Vellore, Mehsana, Raiganj, Sirsa, Danapur, Serampore, Sultan, Pur, Majra, Guna, Jaunpur, Panvel, Shivpuri, Surendranagar, Dudhrej, Unnao, Chinsurah, Alappuzha, Kottayam, Machilipatnam, Shimla, Adoni, Udupi, Katihar, Proddatur, Mahbubnagar, Saharsa, Dibrugarh, Jorhat, Hazaribagh, Hindupur, Nagaon, Sasaram, Hajipur.

We are the leading supplier of C40 round bars supplier in 

  • USA

  • Turkey

  • Saudi Arabia

  • Qatar

  • UAE

  • Kenya

  • Singapore

  • South Korea

  • Austria

  • Belgium

  • Czechia

  • Denmark

  • Estonia

  • Finland

  • France

  • Germany

  • Greece

  • Hungary

  • Iceland

  • Italy

  • Chile

  • Latvia

  • Switzerland

  • Ukraine

  • United Kingdom

  • Canada

  • Bahrain

  • Israel

  • Thailand

  • Iraq

  • Niger

  • Libya

  • Algeria

  • Honduras

  • Armenia

  • Azerbaijan

  • Belarus

  • Georgia

  • Iceland

  • Liechtenstein

  • Moldova

  • Norway

  • San Marino

  • Guatemala 

  • Russia

  • Liechtenstein

  • Lithuania

  • Netherlands

  • Norway

  • Poland

  • Portugal

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  • Sweden

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  • Argentina

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All Products of C40

C40 ROUND BARS | C40 PIPES | C40 TUBES | C40 FORGED ROUND BARS | C40  SHEETS | C40  PLATES | C40  RODS | C40  SQUARE BARS | C40  FLAT BARS | C40  I BEAM | C40 ANGLE | C40 CHANNEL | C40 FLANGES