About S7 Tool & Alloy Steel Flat Bars

IMI Alloys India LLP is a growing and leading company that builds, supplies, and exports the vast S7 Tools & Alloy Steel Flat Bars utilized for overseas applications. We manufacture these flat bars with different types such as round bars, square bars and many more. We offer the wide range of industrial products that are used in different applications. The customized forms of our S7 Tools & Alloy Steel Flat Bars vary between the shapes, sizes, styles, designs, other-dimensional properties and many more. S7 tool steel is also identified with the general-purpose self-hardening steel. S7 Tools & Alloy Steel Flat Bars is manufacture with S7 steels with large impact and shock-resistant. These materials offer good resistance when softening at moderately high temperatures. The different properties make S7 Tools & Alloy Steel Flat Bars reasonable for hot work and cold work applications.

Our S7 Tools & Alloy Steel Flat Bars are stable for heat treatment. The combination of high machinability and dimensional stability makes our S7 Tool & Alloy Steel Flat Bars ideal for various applications. Our bars have great features and are recommended for various types of industrial applications.

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S7 Tool & Alloy Steel Flat Bars

Our bars have high shock resistance, medium hot-works properties, and ease of machining, so S7 Tool & Alloy Steel Flat Bars are also used for critical level applications. Our procedures and services are the same for customized bars, default bars, and other variations of bars. We offer the best quality so that our clients will get the best outcomes by utilizing them. We also conduct the testing phase to cross-check the S7 Tool & Alloy Steel Bars’ quality and other features.

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IMI Alloys India LLP provides the quality packaging to export the S7 Tool & Alloy Steel Flat Bars. Our bars are useful for bull riveters, concrete breakers, dowels, drill plates and hubs. With the help of the strong features, mechanical and physical properties, our bars work broadly in different types of applications to offer great outcomes. The material and alloys offer high strength for workings in liquid surroundings. The corrosion resistance properties are offered with these flat bars and types.
Tool & Alloy Steel Flat Bars

Specifications of S7 Tool & Alloy Steel Flat Bars

  • Standard : ASTM A681, ASME SA681
  • Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
  • Form : Flat
  • Size : 3.17mm to 350mm dia
  • Thickness : 2mm~100mm
  • Length : 4 to 6meters, or as customer’s requirements
  • Application : Lathe Tools, Milling Cutter, Cutter Blades, Boring Tools, Twist drills, Milling Knives, Reamers, Taps, Metalcutting saws, Screw Cutting Tools, File Cutter’s Chissels, Drills, Hobs, Drill Bits, Tread cutting tools etc

Equivalent Grades of S7 Tool & Alloy Steel Flat Bars

Country USA German
Standard ASTM A681 DIN EN ISO 4957
Grades S7/T41907 1.2355/50CrMoV13-15

Chemical Composition of S7 Tool & Alloy Steel Flat Bar

ASTM A681-2008 C Si Mn P S Cr V Mo
S7/T41907 0.45 0.55 0.20 1.00 0.20 0.90 0.03 0.03 3.00 3.50 0.35 1.30 1.80
DIN ISO 4957 C Si Mn P S Cr V Mo
1.2355/50CrMoV13-15 0.45 0.55 0.20 0.80 0.50 0.90 0.03 0.02 3.00 3.50 0.15 0.35 1.30 1.70

Mechanical Properties of S7 Tool & Alloy Steel Flat Bars

Properties Metric
Hardness, Rockwell C (air cooled from 941°C, 649°C temper temperature) 41
Hardness, Rockwell C (air cooled from 941°C, 449°C temper temperature) 53
Hardness, Rockwell C (air cooled from 941°C, 149°C temper temperature) 57
Modulus of elasticity 207 GPa
Charpy impact (V-notch; air cooled from 941°C; 425°C temper temperature) 13.6 J
Charpy impact (V-notch; air cooled from 941°C; 649°C temper temperature) 16.3 J
Charpy impact (V-notch; air cooled from 941°C; 200°C temper temperature) 16.9 J
Machinability (1% carbon steel) 70.0 – 75.0%
Poisson’s ratio 0.27-0.30

Thermal Properties of S7 Tool & Alloy Steel Flat Bars

Properties Conditions
T (°C) Treatment
Thermal expansion 12.6 x 10-6/ºC 20-200

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Applications For S7 Tool & Alloy Steel Flat Bars


Generally, S7 tool steels are used for long run tooling applications, Some main applications for S7 Tool & Alloy Steel Flat Bars materials are:

  • Bull Riveters
  • Concrete Breakers (Moll Points)
  • Riveting Dies
  • Powder Metal Dies
  • Notching Dies
  • Dowels
  • Drills
  • Drill Plates
  • Hubs
  • Plastic Mold Dies
  • Cold Forming Dies
  • Blanking Dies
  • Bending Dies
  • engraving dies
  • machined cavities for plastic molding dies
  • die-casting dies
  • shear blades and Master Hobs

Export Destinations for S7 Tool & Alloy Steel Flat Bars


Saudi Arabia, Bangladesh, Gabon, Chile, Vietnam, Azerbaijan, Belgium, Afghanistan, Bahrain, Nigeria, Belarus, Sweden, Portugal, United States, Nigeria, France, Tibet, Sri Lanka, Libya, Mexico, Italy, United Kingdom, Australia, Oman, China, Germany, Finland, Chile, Mexico, Colombia, Romania, Slovakia, New Zealand, Kazakhstan, United Arab Emirates, Argentina, Macau, Canada, Bulgaria, Poland, India, Morocco, South Korea, Austria, Ukraine, Indonesia, South Africa, Lithuania, Hong Kong, Egypt, Ireland, Russia, Greece, Ghana, Brazil, Czech Republic, Switzerland, Spain, Jordan, Iraq, Trinidad & Tobago, Venezuela, Singapore, Kuwait, Japan, Mongolia, Namibia, Hungary, Israel, Pakistan, Puerto Rico, Malaysia, Iran, Bolivia, Iran, Netherlands, Estonia, Zimbabwe, Tunisia, Poland, Nepal, Ecuador, Gambia, Yemen, Norway, Serbia, Croatia, Qatar, Philippines, Denmark, Lebanon, Bhutan, Taiwan, Angola, Thailand, Peru, Turkey, Algeria, Kenya, Costa Rica.


Bengaluru, Aberdeen, Faridabad, Kuwait City, Geoje-si, Karachi, Ulsan, Abu Dhabi, Ho Chi Minh City, Surat, Milan, New York, Baroda, Gurgaon, Hyderabad, Navi Mumbai, Colombo, Cairo, Ahmedabad, Kuala Lumpur, Coimbatore, Toronto, Bangkok, Al Khobar, Jeddah, Pune, Muscat, Bhopal, Madrid, Hong Kong, Kanpur, Noida, Edmonton, Al Jubail, Jakarta, Istanbul, Jaipur, Ankara, Tehran, Sharjah, Los Angeles, Brisbane, Houston, Riyadh, Ahvaz, Chandigarh, London, Chiyoda, Howrah, Melbourne, Secunderabad, Haryana, Lagos, Perth, Courbevoie, Doha, Dallas, Dammam, Sydney, New Delhi, La Victoria, Seoul, Vadodara, Mumbai, Algiers, Dubai, Montreal, Thiruvananthapuram, Petaling Jaya, Calgary, Rio de Janeiro, Ludhiana, Mexico City, Hanoi, Atyrau, Singapore, Bogota, Ranchi, Chennai, Indore, Caracas, Visakhapatnam, Kolkata, Ernakulam, Moscow, Busan, Santiago, Gimhae-si, Pimpri-Chinchwad, Vung Tau, Granada, Jamshedpur, Thane, Manama, Port-of-Spain, Rajkot, Nashik, Nagpur.

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IMI ALLOYS INDIA LLP is a notable manufacturer, supplier, stockist, and exporter of bars – round bars, square bars, flat bars, etc. in various materials like Tool Steel, Alloy Steel, and High-Speed Steel in Mumbai, India. We are authorized dealers of Graphite India Limited (POWMEX STEELS DIVISION) and also the only authenticated stockist of Nachi Fujikoshi Corp in India for their High-Speed Steel, Powder Metallurgy, Tool Steel, and Alloy Steel Products.
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