High Speed Steel T4 Bars

Sahil Metals is a well-respected manufacturer and supplier based in Riyadh, Saudi Arabia, known for its premium High Speed Steel T4 Bars. These bars are celebrated for their remarkable hardness, durability, and wear resistance. Crafted with precision and adhering to international quality standards, Sahil Metals serves a variety of industries, including automotive, aerospace, tool manufacturing, metalworking, and engineering. The High Speed Steel T4 Bars are particularly prized for their ability to maintain cutting efficiency even at high temperatures, making them the go-to choice for creating reliable and long-lasting tools that excel in demanding machining tasks.

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High Speed Steel T4 Round Rods

T4 Alloy High Speed Steel Bright Bars

T4 Alloy High Speed Steel Bars

Table of Contents

What is High Speed Steel T4 Bars ?

These T4 Bars are made from tungsten-based alloys, featuring a balanced mix of tungsten, molybdenum, chromium, vanadium, and carbon. This specific composition grants them high hardness, impressive red hardness, and outstanding abrasion resistance, ensuring they perform reliably in high-speed cutting scenarios. Additionally, T4 Bars offer good compressive strength and toughness, allowing them to endure extreme machining conditions while keeping their shape and sharp edges intact.

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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 Sahil 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 strong and efficient cutting tools. They’re commonly used to manufacture drills, milling cutters, taps, saw blades, reamers, and broaches. Their capacity to handle high temperatures and challenging machining environments makes them ideal for working with alloy steels, stainless steels, and other tough materials. Furthermore, T4 Bars are essential in aerospace, automotive, and precision engineering sectors, where wear resistance, long tool life, and consistent performance are crucial. Their exceptional characteristics make them a reliable choice for high-performance industrial applications.

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