T4 High Speed Tool Steel Bar

T4 High Speed Tool Steel Bar

Produce process: Hot rolled /Forged
Type:Round bar
Delivery condition: Annealed black surface/Turned bright surface/Q+T
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Product Introduction

Introduction:

 

If you're looking for a top-quality, durable, and high-performance tool and die steel for your industrial application, then look no further than our T4 High-Speed Tool Steel Bar. At our manufacturing facility in China, we use the latest technology and state-of-the-art machinery to produce a range of high-quality tool and die steels that are used by companies and industries worldwide.

 

In this product introduction, we will be providing a detailed overview of our T4 High-Speed Tool Steel Bar, highlighting its features, benefits, properties, and applications. So, whether you're a merchant looking for a high-performance tool steel or an industrial user searching for durable and reliable steel for your application, our T4 High-Speed Tool Steel Bar is exactly what you need.

 

Features:

 

Our T4 High-Speed Tool Steel Bar is known for its superior quality and excellent features that make it stand out from other tool and die steels available in the market. Here are some of the key features of our T4 High-Speed Tool Steel Bar:

 

1. High Hardness: Our T4 High-Speed Tool Steel Bar has a hardness rating of 65-67 HRC, making it one of the hardest tool steels available in the market.

 

2. Excellent Wear Resistance: Our T4 High-Speed Tool Steel Bar offers exceptional wear resistance, making it ideal for use in high-speed cutting and machining applications.

 

3. Good Toughness: Our T4 High-Speed Tool Steel Bar offers an excellent balance of hardness and toughness, making it suitable for high-impact applications.

 

4. High Temperature Resistance: Our T4 High-Speed Tool Steel Bar offers excellent resistance to high-temperature environments, making it ideal for use in high-temperature cutting and machining applications.

 

5. Good Corrosion Resistance: Our T4 High-Speed Tool Steel Bar offers good corrosion resistance, making it suitable for use in harsh and corrosive environments.

 

Benefits:

 

Our T4 High-Speed Tool Steel Bar offers several benefits, which make it an ideal choice for a range of industrial applications. Some of the key benefits of our T4 High-Speed Tool Steel Bar include:

 

1. High Versatility: Our T4 High-Speed Tool Steel Bar is highly versatile and can be used for a range of applications, making it an excellent choice for industries such as aerospace, automotive, and manufacturing.

 

2. Improved Productivity: Our T4 High-Speed Tool Steel Bar offers an excellent balance of hardness, wear resistance, and toughness, which enhances productivity by reducing wear and tear on tools and machinery.

 

3. Increased Precision: Our T4 High-Speed Tool Steel Bar offers excellent dimensional stability, making it perfect for precision machining and cutting applications.

 

4. Cost-Effective: Our T4 High-Speed Tool Steel Bar is a cost-effective steel option for industrial users. It offers superior quality and performance at an affordable price.

 

Properties:

 

Our T4 High-Speed Tool Steel Bar has several properties that make it highly desirable for industrial applications. Some of the key properties of our T4 High-Speed Tool Steel Bar include:

 

1. Chemical Composition: Our T4 High-Speed Tool Steel Bar has a chemical composition that includes elements such as tungsten, chromium, vanadium, carbon, and molybdenum, which contribute to its superior performance.

 

2. Heat Treatment: Our T4 High-Speed Tool Steel Bar can be heat-treated to achieve specific hardness, wear resistance, and toughness properties.

 

3. Machinability: Our T4 High-Speed Tool Steel Bar offers excellent machinability, making it easy to manufacture and process.

 

4. Weldability: Our T4 High-Speed Tool Steel Bar offers good weldability, making it easy to join to other components or parts.

 

Applications:

 

Our T4 High-Speed Tool Steel Bar is ideal for a range of industrial applications, including:

 

1. Cutting Tools: Our T4 High-Speed Tool Steel Bar is perfect for use in cutting tools such as drills, reamers, saw blades, and milling cutters.

 

2. Dies: Our T4 High-Speed Tool Steel Bar is ideal for use in dies such as punches, form tools, and threading dies.

 

3. Machine Components: Our T4 High-Speed Tool Steel Bar can be used to manufacture components such as spindles, couplings, gears, and shafts.

 

4. Aerospace and Automotive: Our T4 High-Speed Tool Steel Bar is suitable for use in industries such as aerospace and automotive for manufacturing various parts.

 

Conclusion:

 

In conclusion, our T4 High-Speed Tool Steel Bar is an ideal choice for any industry that requires a high-performance, durable, and cost-effective tool and die steel. With its exceptional features, benefits, and properties, our T4 High-Speed Tool Steel Bar offers a superior performance that is unrivaled by other steels in the market. If you're a merchant looking for a top-quality industrial steel for your customers, then look no further than our T4 High-Speed Tool Steel Bar. Contact us today to place your order!

 

Products Description

AISI T4 tool steel is one of tungsten type high speed tool steel, which belongs to ASTM A600 specification, the standard for high speed tool steel materials.

ASTM T4 tool steel is similar to T1 Tool Steel materials, but with 4.25~5.75% cobalt added to increase heat resistance. The red hardness of T4 steel and the high temperature hardness is a little higher than T1 tool steel. AISI T4 tool steel is a deep hardening alloy capable of Rockwell C 64 hardness.

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Applications:

T4 Tool steel is a tungsten series general cobalt-containing high speed steel, which has slightly higher red hardness and high temperature hardness than W18Cr4V, but low toughness. After quenching, the surface hardness can reach 63~66HRC.

It is used as high-speed cutting tool and automatic machine tool for cutting high strength materials.

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Metallographic structure:

 

Heat treatment specification: quenching, 820-870 ℃ preheating,

1270~1290 ℃ (salt bath furnace) or 1280~1300 ℃ (box furnace) heating, oil cooling,

Temper twice at 540~560 ℃ for 2h each time.

Products parameters

T4 Tool Steel Equivalent Grades 

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

AISI T4 Tool Steel and Equivalents’ Chemical Composition

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 T-4 Steel

Properties Metric Imperial
Modulus of elasticity 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30

Thermal Properties of T4 Tool Steels

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

Forging of ASTM T4 Tool Steel Materials

Forging of T4 steel can be carried out from 850 to 1120°C (1775 to 2100°F).

Preheat T4 steel material uniformly and slowly to 860-880°C.

Increase the forging temperature up to 1050-1120°C.

T4 hss tool steel should be cooled very slowly after forging.

Product Picture

14112 steel bar

Our factory
product-600-600

Steel Making

product-600-600

Ingot Production

product-750-750

Forged Bars

product-600-600

Machinary

AISI/ASTM T4 Tool Steel Heat Treatment and Properties

Hardening:

Harden T4 high speed tool steel from a temperature of 1260-1290oC followed by oil, air quenching or warm bath at 550oC. Hardness after quenching is 63-66 HRC.

Annealing:

T4 steel should be annealed after hot working. Increase the temperature of T4 high speed steel to 860°C(Max220°C per hour). Hold at the temperature and then cool slowly with the furnace. The annealed hardness achieved should be below HB255.

Tempering:

Tempering temperature: 2x 560-580oC. Hardness after tempering is 64-65 HRC.

Packing & Delivery

 

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Packing & Delivery

Packing detail: Spray paint in Bundle or as per client demands. Port:Any Chinese Port
  • The inner size of container is below:

    -- 20ft GP: 5.8m(length) x 2.13m(width) x 2.18m(high)

    -- 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high)
    -- 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high)

 

 

Our Service

1. Competitive price and quality from our own factory .
2. Best service with 24 hour`s reply .
3. Flexible payment with T/T,L/C , etc .
4. Smooth production ability(1000tons/month).
5. Quick delivery and standard exporting package.

 
 
 
product-950-408
 
 

 

 

Why choose us?

  • We're committed to providing superior-quality High Speed Steel Bars and exceptional customer service.
  • We constantly improve the technical performance of our products and hope to be at the forefront of the industry in terms of product structure innovation.
  • Our factory is equipped with state-of-the-art technology to provide world-class High Speed Steel Bar products and services.
  • Since its establishment, our company has always adhered to the business philosophy that ideas determine the way out, and character casts products, making us deeply trusted by customers. We continue to cover the whole country and face the world. We take talents as the foundation and innovation as the guide and unswervingly make T4 High Speed Tool Steel Bar industry bigger, stronger, and longer.
  • Our company offers customized and efficient manufacturing and supply of High Speed Steel Bars.
  • We believe that through our continuous efforts and pursuit, we can achieve mutual benefit and win-win results with our customers!
  • Our company provides reliable and efficient production of High Speed Steel Bars, meeting the highest industry standards.
  • We adhere to the 20-year focus, and insist on deepening and expanding in the T4 High Speed Tool Steel Bar field. The company is committed to research and development to create solutions with corporate characteristics, leading the industry to intelligentization, comprehensively improving the management level and economic benefits, and bringing more contributions to society.
  • Our team is highly experienced and offers exceptional customer service and support for High Speed Steel Bars.
  • The long history has cultivated a profound corporate culture, "hard work, forge ahead; challenge the limit, the pursuit of perfection" is not only our enterprise spirit, but also the motto of the company and its employees.

 

Relevant Steel Specifications of AISI T4 High Speed Tool Steels

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

 

AISI T4 Tool Steel and Equivalents’ Chemical Composition

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 T-4 Steel

Properties Metric Imperial
Modulus of elasticity 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30

 

Thermal Properties of T4 Tool Steels

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

 

Forging of ASTM T4 Tool Steel Materials

Forging of T4 steel can be carried out from 850 to 1120°C (1775 to 2100°F).

Preheat T4 steel material uniformly and slowly to 860-880°C.

Increase the forging temperature up to 1050-1120°C.

T4 hss tool steel should be cooled very slowly after forging.

 

AISI/ASTM T4 Tool Steel Heat Treatment and Properties

Hardening:

Harden T4 high speed tool steel from a temperature of 1260-1290oC followed by oil, air quenching or warm bath at 550oC. Hardness after quenching is 63-66 HRC.

Annealing:

T4 steel should be annealed after hot working. Increase the temperature of T4 high speed steel to 860°C(Max220°C per hour). Hold at the temperature and then cool slowly with the furnace. The annealed hardness achieved should be below HB255.

Tempering:

Tempering temperature: 2x 560-580oC. Hardness after tempering is 64-65 HRC.

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