H13 Steel: Properties, Applications, and India’s Leading Supplier — Milano Special Steel

In the world of high-performance tool steels, H13 steel stands out as one of the most reliable and widely used hot work steels globally. Its exceptional resistance to thermal fatigue, excellent toughness, and high wear resistance make it ideal for a variety of industrial applications, especially in hot working conditions.

For businesses and manufacturers in India, having a consistent and trusted supply of H13 steel is critical. This is where Milano Special Steel comes in — a name synonymous with premium-grade tool steel supply across India.

What is H13 Steel?

H13 steel is a chromium-molybdenum hot work tool steel. It belongs to the AISI H-series and is known for its toughness, heat resistance, and wear properties.

Chemical Composition:

Element	Percentage (%)
Carbon (C)	0.32 – 0.45
Chromium (Cr)	4.75 – 5.50
Molybdenum (Mo)	1.10 – 1.75
Vanadium (V)	0.80 – 1.20
Silicon (Si)	0.80 – 1.20
Manganese (Mn)	0.20 – 0.50
Phosphorus (P)	Max 0.030
Sulfur (S)	Max 0.030

Key Properties of H13 Steel

• Thermal fatigue resistance
• High toughness and ductility
• Hot hardness
• Good wear resistance
• Minimal distortion during heat treatment

Applications

• Die casting dies
• Extrusion dies
• Hot forging tools
• Plastic injection molds
• Hot work punches and mandrels

Benefits

• Cost-effective
• Long tool life
• Versatile usage
• Good machinability

Why Milano Special Steel?

• Pan-India delivery
• Experienced industry professionals
• High-quality certified steel
• Custom sizing and fast processing
• Expert technical support

Available Grades

• Annealed H13 bars
• Pre-hardened blocks
• Hot rolled and forged bars
• H13 ESR (Electro Slag Remelted)

Heat Treatment Guide

1. Annealing: 850–900°C, slow cool
2. Hardening: 1020–1050°C, air/oil quench
3. Tempering: Twice at 550–650°C

H13 vs Other Tool Steels

Property	H13	D2	P20
Hot hardness	Excellent	Poor	Moderate
Wear resistance	Good	Excellent	Moderate
Impact toughness	High	Moderate	High
Application	Hot work	Cold work	Plastic molds

Customer Testimonials

“We’ve been sourcing H13 steel from Milano Special Steel for over 5 years now. The quality and service are unmatched.”
– Rajeev Sharma, Tooling Manufacturer, Gurgaon

“Timely delivery and consistent material quality make Milano our go-to supplier for all H13 tool steel requirements.”
– Ashok Patel, Die Casting Plant, Gujarat

FAQs

• Is H13 steel corrosion-resistant? It has moderate resistance; coatings may be needed for corrosive environments.
• Can H13 be welded? Yes, with pre- and post-heat treatment.
• What’s the price of H13 steel? Contact Milano Special Steel for current rates.
• Can Milano handle bulk orders? Yes, both small and large quantities are available.

Conclusion

H13 tool steel is the go-to choice for manufacturers who demand toughness, heat resistance, and long service life. Partner with Milano Special Steel to ensure your business gets the highest quality H13 steel with unmatched service and delivery across India.