Skh55/HS6-5-2-5 High Speed Steel Round Bar for Cutting and Tooling Applications

• Customization: Available
• Type: Round Bar
• Standard: AISI, GB, JIS, DIN, BS
• Model NO.: SKH55/HS6-5-2-5
• Technique: Forged/Hot Rolled/Cold Drawn
• Surface Treatment: Polished, Turned, Peeled, Ground, Black
• Special Use: Mold Steel, Free Cutting Steel
• Heat Treatment: Annealed, Quenched, Tempered
• Delivery Time: According to The Inventory Situation
• Product Application: Aluminium Extrusion Die/Pressing Mold etc
• Price: to Be Confirmed Based on Order Details
• Transport Package: Standard Packaging
• Specification: According to order
• Trademark: ZEICIN
• Origin: China
• Production Capacity: 10000 Ton / Year

Product Description

Product Description

SKH55/HS6-5-2-5 High Speed Steel Round Bar for Cutting and Tooling Applications

SKH55 HSS bar is a cobalt-alloyed high-speed tool steel, manufactured using a carefully controlled process to ensure an optimal structure with fine carbide size and distribution. This steel is designed to offer excellent hardness, wear resistance, and high red hardness, making it ideal for demanding cutting and machining applications. Its unique manufacturing process enhances its performance and longevity in high-temperature environments, making it a reliable choice for high-performance tooling.

Similar Grade

ZEICIN Grade	GB	ISO	JIS	DIN	AISI
SKH55	W6Mo5Cr4V2Co5	HS6-5-2-5	SKH55	1.3243/S6525	M35

Main Chemical Composition%

C	Mn	P	S	Si	Cr	Mo	V	Co	W
0.87-0.95	0.15-0.40	≤0.03	≤0.03	0.20-0.45	3.80-4.50	4.70-5.20	1.70-2.10	4.50-5.00	5.90-6.70

Heat Treatment of SKH55 High-Speed Steel

 

Process	Temperature	Procedure	Hardness
Forging	450-500°C (Preheat), 950-1100°C (Forging)	Preheat and forge, avoiding temperatures below 950°C.
Annealing	850°C	Heat to 850°C, hold for 1 hour per 25mm thickness, cool slowly.	Max Brinell 260
Stress Relieving	600-700°C	Heat to 600-700°C, soak for 2 hours, cool slowly.
Hardening	1050-1250°C	Preheat and heat to 1050-1250°C, then quench.
Tempering	510-620°C	Triple tempering, hold for 2 hours per cycle.	67 HRc (540°C), 66 HRc (560°C), 65 HRc (580°C)

 

Our Advantages

Production process

Major Equipment

1. Electric Arc Furnace
2. ESR
3. 5T Forging Machine
4. Vacuum Annealing Furnace

5. Non-destructive Detector
6. Rolling Mill
7. Drawing Mill
8. Spray Forming

Surface condition

Applications

Applications of SKH55 High-Speed Steel:

• Cutting Tools:

  • Broaches

  • Taps

  • Milling cutters

  • Reamers

  • Hobs

  • Shapers cutters

  • Saws

• Hot Hardness Applications:

  • Suitable for cutting conditions where high hot hardness is critical.

• Cold Work Applications:

  • Tools requiring high wear resistance in cold work conditions.

• Wear Resistance and Toughness:

  • Offers superior wear resistance and toughness, outperforming high-alloyed cold work steels.

Packaging & Shipping

 

 

FAQ

Q1: Do you accept trial orders?
A1: Yes, we accept trial orders if the exact size is in stock.

Q2: What is your delivery time?
A2: If the goods are in stock, delivery time is generally 5-15 days. If the goods are not in stock, it may take 15-20 days, depending on the order quantity.

Q3: Do you offer discounts for bulk orders?
A3: Yes, we offer discounts for bulk orders. The specific discount will depend on the order quantity and cooperation terms. Please feel free to contact us for more information.

Q4: What is your product packaging like?
A4: Our products are packaged accordingly in standard industrial packaging to ensure safety during transport. If you have special packaging requirements, please specify them when placing your order, and we will package your items accordingly.

Q5: What payment methods do you support?
A5: We accept a variety of payment methods, including T/T, L/C, Alipay, PayPal, etc. The specific payment method can be arranged flexibly based on the order amount and customer needs.