IMI Alloys India LLP is known for Tool and alloy steel products manufacture and supply. We present H21 Tool & Alloy Steel Round Bars that are enhanced with high hot quality, warmth-checking resistance, and hardness. These are excellent tough and high-durability products at an economical range. These H21 Round Bars are a wide application range, such as hot working dies and tooling as hollows, hot shear blades, screws, die casting tools, rivets, and forming dies. The application industries of these bars are very large.

IMI Alloys India LLP offers round bars in variable sizes and shapes as per application necessity. We fulfill the demand for specially designed bars to meet client’s needs. These H21 Steel Round bars are prevented from various corrosions such as crevice corrosion stress crack corrosion. Our bars offer excellent tensile and mechanical strength and very good creep strength because of their exceptional resistance to high temperatures and stress. These bars are elastic and compliant to use in various applications. Our round bars are tough and provide greater yield strength. It is highly favored in extreme stress and thermal range of applications.

H21 Tool Steel Round Bar, ASTM A681 H21 Tool & Alloy Steel Round Bars, UNS T20821 Round Bars, JIS SKD5 Round Bar, AISI H21 Tool Steel Round Bars, H21 Hot Work Tool Steel Bars, Alloy Steel H21 Round Bars Stockholder, Alloy Steel H21 Round Bar, Tool Steel H21 Round Bars, ASTM A681 H21 Tool Steel Round Bars Supplier in Mumbai, India.

H21 Tool & Alloy Steel Round Bars
H21 is Tungsten hot-work steel and is mostly utilized as hot-work devices and many other applications. It comprises 8% Tungsten and 3% chromium with small-value carbon and vanadium, contributing the best corrosion resistance. It is hard and good to resist distortion in atmospheric conditions, whereas hardening is obtained by heat treatment followed by preheating. It is excellently formable and, therefore, easy to produce different shapes. It is a good material for various fabrications due to its characteristics and properties.

Buy Comprehensive Variety of Quenched & Tempered H21 Alloy Steel Bar, CrMo H21 Cold Drawn Round Bars, H21 Tool & Alloy Steel Industrial Round Bars, Tool Steel T20821 Round Bar, ASME SA681 H21 Hot Forged Round Bars, Hot Die Steel H21 Bars, X30WCrV9-3 Black Round Bars Stockist in India.

IMI Alloys India LLP supplies high-quality H21 Tools and alloy Steel Round Bars with high-performance and reliable products. We are committed to prolonging the local and global norms. Our bars are fabricated with efficient crude materials. Our production process consists of contemporary equipment to increase productivity and eliminate defects. We perform various product tests to check quality assurance, working performance, intergranular corrosion flaring flattening analysis, etc. We assure high quality and fine exterior round bars. We have a facility of delivery with high-quality dispatch material.

Tool & Alloy steel Round Bars Stockist

Specifications of H21 Tool & Alloy Steel Round Bars

  • Standard : ASTM A681, ASME SA681
  • Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
  • Form : Round
  • Diameter : 10 mm ~ 900 mm
  • Size : 0.08 mm to 25.00 mm
  • Diameter Range : 0.040 mm – 12 mm (0.0016” – 0.4724”)
  • 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 H21 Tool & Alloy Steel Round Bars

ASTM SAE UNS W.Nr
A681 (H-21) J437 (H21) T20821 1.2581

Chemical Composition of H21 Tool & Alloy Steel Round Bar

C Si Mn P S Cr W V
0.25 – 0.35 0.1 – 0.4 0.15 – 0.45 max 0.03 max 0.02 2.5 – 3.2 8.5 – 9.5 0.3 – 0.5

Mechanical Properties of H21 Tool & Alloy Steel Round Bars

Properties Conditions
T (°C) Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson’s Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Tensile Strength (Mpa) 1158 25 oil quenched, fine grained, tempered at 425°C
Yield Strength (Mpa) 1034
Elongation (%) 15
Reduction in Area (%) 53
Hardness (HB) 335 25 oil quenched, fine grained, tempered at 425°C

Thermal Properties of H21 Tool & Alloy Steel Round Bars

Properties Conditions
T (°C) Treatment
Thermal Conductivity (W/m-K) 42.7 100  
Specific Heat (J/kg-K) 477 50-100  

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Applications For H21 Tool & Alloy Steel Round Bars

Industries
Generally, H21 tool steels are used for long run tooling applications, Some main applications for H21 Tool & Alloy Steel Round Bars materials are:

  • Hot punches
  • die casting dies
  • forging dies
  • hot shear blades
  • hot gripper dies
  • extrusion tooling

Export Destinations for H21 Tool & Alloy Steel Round Bars

Countries

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

Cities

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

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Mumbai , Maharashtra, India.

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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