High Speed Steel T4 Bars

Neith Metals, located in Cairo, Egypt, stands out as a top manufacturer and supplier of premium metal products and specialty alloys. One of their standout offerings is the High Speed Steel T4 Bars, which are celebrated for their remarkable wear resistance, toughness, and hardness. Crafted through cutting-edge metallurgical techniques and rigorous quality control, these bars adhere to international performance and reliability standards. Catering to sectors like tooling, automotive, aerospace, and precision engineering, Neith Metals delivers robust High Speed Steel T4 Bars tailored for high-performance tasks, guaranteeing enduring cutting efficiency, dependable operation, and exceptional machining performance even in the toughest industrial settings.

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High Speed Steel T4 Round Rods

T4 Alloy High Speed Steel Bright Bars

T4 Alloy High Speed Steel Bars

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What is High Speed Steel T4 Bars ?

High Speed Steel T4 Bars are made from high-carbon, high-alloy steels, primarily consisting of iron with 0.9–1.1% carbon, 4–5% tungsten, 4% chromium, 2% vanadium, and 1% molybdenum. These bars boast impressive hardness, typically around 60–62 HRC, and tensile strength that ranges from 1,700–1,900 MPa. With outstanding wear resistance, red hardness, and toughness, T4 Bars maintain their cutting efficiency even at high temperatures, making them perfect for heavy-duty cutting tools, milling, drilling, and forming tasks in demanding machining environments.

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High Speed Steel T4 Bars Specifications

  • Standard : ASTM A600, ASME SA600
  • Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
  • Form : Round
  • Diameter : 2mm to 100mm depending on grades
  • Length : 100 mm to 10,000 mm
  • Surface Condition : Black, Grinded, Turned Bright, Machined Proof
  • 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

Chemical Compositions of High Speed Steel T4 Bars

ASTM A600 C Mn P S Si Cr V W Mo Co
T4 0.70 0.80 0.10 0.40 0.03 0.03 0.20 0.40 3.75 4.50 0.80 1.20 17.50 19.00 0.40 1.00 4.25 5.75
DIN ISO 4957 C Mn P S Si Cr V W Mo Co
S 18-1-2-5/1.3255 0.75 0.83 0.40 0.03 0.03 0.45 3.80 4.50 0.80 1.20 17.50 18.50 0.50 0.80 4.50 5.50
JIS G4403 C Mn P S Si Cr V W Mo Co
SKH3 0.73 0.83 0.40 0.03 0.03 0.45 3.80 4.50 0.80 1.20 17.00 19.00 4.50 5.50

Mechanical Properties of High Speed Steel T4 Bars

Density [g/cm3] 8.70
Properties Metric Imperial
Modulus of elasticity 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30

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Why Neith Metals?

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Equivalent Grades of High Speed Steel T4 Bars

Country USA German Japan
Standard ASTM A600 DIN EN ISO 4957 JIS G4403
Grades T4/T12004 S 18-1-2-5/1.3255 SKH3

Thermal Properties of High Speed Steel T4 Round Bars

Properties Metric Imperial
Thermal expansion co-efficient 11.9 µm/m°C 6.6 µin/in°F

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High Speed Steel T4 Bars Types

High Speed Steel T4 Threaded Bars
High Speed Steel T4 Hot Rolled Bars
T4 Alloy High Speed Steel Flat Bar
T4 High Speed Steel Square Bars
T4 High Speed Steel Hexagon Bars
HSS T4 Round Bars And Rods

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Frequently Asked Questions (FAQ)

High Speed Steel T4 bars are sized by diameter and length, typically ranging from 1/4" to 10" in diameter, with standard lengths of 12 to 20 feet, depending on manufacturer specifications.

High Speed Steel T4 bars and rods are manufactured through alloying, melting, forging, and heat treatment processes, followed by precision machining to achieve desired hardness, strength, and dimensional accuracy for industrial use.

High-speed steel T4 bars should be stored in a dry, clean environment, protected from moisture and corrosion. Store them on flat, secure surfaces to prevent deformation or damage.

High Speed Steel T4 Bars Uses

High Speed Steel T4 Bars find extensive use in industries that demand high hardness, wear resistance, and durability. They are particularly well-suited for crafting cutting tools like drills, taps, milling cutters, reamers, and gear cutters. The automotive and aerospace sectors rely on T4 Bars for precision components that need to perform reliably under significant stress. Tooling and metalworking industries utilize these bars for heavy-duty machining, high-speed cutting, and the production of precision dies. Furthermore, industrial manufacturing depends on High Speed Steel T4 Bars to ensure consistent performance, operational efficiency, and reliability in challenging cutting and machining scenarios.

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