H13 tool steel powder

H13 Tool Steel Powder: Overview

H13 tool steel powder is a high-performance steel powder known for its exceptional hot hardness, wear resistance, and toughness. It is widely utilized in tooling and die applications where high-temperature strength and resistance to thermal fatigue are essential.

Composição

The composition of H13 tool steel powder is meticulously designed to optimize its mechanical properties and performance:

Elemento	Peso %
Carbono (C)	0.32-0.45
Crómio (Cr)	4.75-5.50
Molibdênio (Mo)	1.10-1.75
Vanádio (V)	0.80-1.20
Silício (Si)	0.80-1.20
Manganês (Mn)	≤0.50
Fósforo (P)	≤0.03
Enxofre (S)	≤0.03
Ferro (Fe)	Equilíbrio

These alloying elements impart excellent hardenability, strength, and heat resistance to H13 tool steel powder.

Propriedades

H13 tool steel powder boasts impressive mechanical properties, ensuring its suitability for various industrial applications:

Propriedade	Valor
Densidade	7.8-8.0 g/cm³
Dureza	45-50 HRC
Resistência à tração	1000-1100 MPa
Resistência ao escoamento	850-900 MPa
Elongação	10-15%
Condutividade térmica	23.8 W/m-K
Coeficiente de expansão térmica	11.5 µm/m-K
Ponto de Fusão	1427-1475°C

These properties make H13 tool steel powder an ideal choice for components requiring high strength, lightweight design, and resistance to harsh environments.

APLICAÇÕES

Typical applications for H13 tool steel powder include:

• Die casting dies
• Extrusion dies
• Forging dies
• Plastic molds
• Hot work tooling
• Injection molds
• Metal forming tools

Its combination of high hardness, toughness, and heat resistance makes it indispensable for tooling applications in manufacturing processes.

Processo de fabrico aditivo

H13 tool steel powder is typically produced through gas atomization or water atomization processes. Gas atomization involves the rapid solidification of molten metal by high-pressure gas streams, resulting in spherical powder particles suitable for additive manufacturing. Water atomization produces irregular-shaped particles, requiring post-processing for additive manufacturing applications.

Especificações do pó

H13 tool steel powder is available in various specifications to meet specific application requirements:

Atributo	Detalhes
Tamanhos de Partículas	15-45 µm, 10-100 µm
Morfologia	Esférica, irregular
Densidade Aparente	3,5-4,5 g/cm³
Densidade Batida	4-5 g/cm³
Pureza	≥99.5%
Teor de Oxigênio	<300 ppm
Teor de humidade	<0.2%

These specifications ensure the quality and consistency of H13 tool steel powder for additive manufacturing processes.

Normas e classificações

H13 tool steel powder complies with relevant industry standards, including ASTM A681 and AISI H13. Equivalent grades include DIN 1.2344 and JIS SKD61.

Controlo de qualidade

Quality control measures for H13 tool steel powder include:

• Chemical analysis: Verifying the correct composition of alloying elements.
• Particle size analysis: Ensuring the desired particle size distribution.
• Avaliação da morfologia do pó: Verificação da forma esférica ou irregular das partículas.
• Teste de densidade: Medição de densidades aparentes e de toque para eficiência de embalagem de pó.
• Avaliação da pureza: Verificação do nível de pureza para garantir as propriedades desejadas.
• Análise do teor de oxigénio e de humidade: Controlo para evitar a contaminação.

Análise de custos

Costs for H13 tool steel powder vary depending on factors such as order volume, particle size range, powder morphology, purity levels, and manufacturer/distributor margins.

Armazenamento e manuseamento de pós

Proper storage and handling practices are crucial to maintain the integrity of H13 tool steel powder:

• Armazenar em recipientes fechados num ambiente fresco e seco.
• Utilizar purga com gás inerte ou vácuo para evitar a recolha de humidade.
• Aterrar todo o equipamento de manuseamento e transferência de pó.
• Utilizar equipamento de proteção individual (EPI) adequado ao manusear o pó.

Saúde e segurança

H13 tool steel powder poses minimal health risks with proper handling:

• Usar EPI adequado ao manusear o pó.
• Utilizar um aspirador com filtro HEPA para limpar o pó e a poeira.
• Evitar respirar os fumos de soldadura ou de fusão.
• Eliminar de acordo com os regulamentos ambientais locais.

Perguntas Frequentes

1. Is H13 tool steel powder suitable for aerospace applications? Yes, H13 tool steel powder is commonly used in aerospace for structural parts, aircraft frames, and rocket motor casings due to its high strength and toughness.
2. What are the main advantages of H13 tool steel powder for defense applications? H13 tool steel powder offers excellent strength and toughness, making it ideal for missile components and armor plating in defense applications.
3. Can H13 tool steel powder be used in additive manufacturing processes? Yes, H13 tool steel powder is suitable for additive manufacturing processes such as selective laser melting (SLM) and electron beam melting (EBM) to produce complex components with high strength and corrosion resistance.
4. What are the typical costs associated with H13 tool steel powder? Costs for H13 tool steel powder vary based on factors such as volume, particle size range, purity levels, and market conditions.
5. Is H13 tool steel powder recyclable? Yes, H13 tool steel powder can be recycled and reused in additive manufacturing processes, provided it meets quality standards and is free from contamination.