UNS S17400 Precipitation Hardening Stainless Steel Bar Chromium Nickel Copper Martensitic Stainless Steel

UNS S17400 Precipitation Hardening Stainless Steel Bar Chromium Nickel Copper Martensitic Stainless Steel

Company Profile

Hongye stands out with its unique capabilities! As a leading global metal distribution company, we provide tailored product solutions to meet our clients' needs, helping them gain a competitive edge.

Founded in 2009 and headquartered in Wuxi, China, Hongye has made significant achievements in the aerospace, defense, transportation, shipbuilding, semiconductor, energy, and construction sectors over the past five years.

We offer solutions in sheets, pipes, profiles, building materials, specialty steels, stainless steels, and non-ferrous metals. Additionally, our involvement in finance and port operations strengthens our position in the metal import and export market.

With our integrated “one-stop” services that include procurement, processing, retail, and logistics, Hongye has become an industry benchmark. We excel in delivering high-quality, cost-effective products, supported by robust supply chain management to meet customer needs continuously.

Internationally, Hongye has established a solid business network in Europe, Southeast Asia, and the Middle East. Our multilingual and culturally adept trade team ensures efficient and professional service for every transaction.

Since 2010, Hongye has made notable progress in sustainability, recognized by multiple institutions. By the end of 2012, we had invested 1.22 billion RMB (200 million USD) in China's metal distribution industry, becoming a significant local investor. We aim to expand our market share through collaboration and innovation.

Looking ahead, Hongye will continue to globalize, leveraging our experience and resources to grow our international market share and aspire to be a leader in the global metal distribution industry.

Our goal is to rank among the top 10 in comprehensive strength in China's metal distribution market.

Product Specification

Here are the key product specifications for UNS S17400 (17-4 PH) precipitation hardening stainless steel:

Alloy Composition:

• Chromium: 15-17%
• Nickel: 3-5%
• Copper: 3-5%
• Iron: Balance
• Other elements may include Manganese, Silicon, Nitrogen, etc.

Mechanical Properties:

• Tensile Strength: 965-1,100 MPa (140,000-160,000 psi)
• Yield Strength: 690-965 MPa (100,000-140,000 psi)
• Hardness: 40-45 HRC (heat treated condition)

Physical Properties:

• Density: 7.75-7.80 g/cm³
• Melting Point: 1,400-1,450°C (2,550-2,640°F)
• Thermal Conductivity: 15-20 W/m·K
• Coefficient of Thermal Expansion: 10.2-11.2 x 10^-6 /°C

Corrosion Resistance:

• Good corrosion resistance, comparable to Type 304 stainless steel
• Resistant to mild atmospheric corrosion, freshwater, and many chemicals

Heat Treatment:

• Solution annealing followed by precipitation hardening heat treatment
• Improves strength and hardness through controlled precipitation of copper-rich intermetallic compounds

Fabrication:

• Can be readily machined, formed, or welded using standard techniques
• Moderate weldability compared to other stainless steel grades

Applications:

• Surgical instruments, aerospace components, industrial equipment, automotive parts, oil & gas industry, general engineering

Product Description

Product Characteristics

 

Material Grade:

• UNS S17400 (also known as 17-4 PH or 630 stainless steel)

Composition:

• Chromium: 15-17%
• Nickel: 3-5%
• Copper: 3-5%
• Other elements: Iron, Manganese, Silicon, Nitrogen, etc.

Mechanical Properties:

• Tensile Strength: 965-1,100 MPa (140,000-160,000 psi)
• Yield Strength: 690-965 MPa (100,000-140,000 psi)
• Hardness: 40-45 HRC (in heat treated condition)

Corrosion Resistance:

• Good corrosion resistance, comparable to Type 304 stainless steel
• Resistant to mild atmospheric corrosion, freshwater, and many chemicals

Heat Treatment:

• Solution annealing followed by precipitation hardening heat treatment
• Improves strength and hardness through controlled precipitation of copper-rich intermetallic compounds

Key Properties:

• Martensitic, precipitation-hardening stainless steel
• High strength and hardness
• Good corrosion resistance
• Moderate weldability

Applications:

• Surgical instruments
• Aerospace and defense components
• Industrial and food processing equipment
• Valves, pumps, and other mechanical components

 

 

Application of the product

 

1. Surgical and Medical Instruments:

   • The high strength, hardness, and corrosion resistance make S17400 an ideal material for surgical tools, implants, and other medical devices.
   • Examples include scalpels, forceps, clamps, and orthopedic implants.

2. Aerospace and Defense Components:

   • S17400 is used in the manufacture of aircraft and aerospace structural parts, fasteners, landing gear, and other critical components.
   • It is also utilized in defense applications such as weapons, armor, and vehicle parts.

3. Industrial Equipment:

   • This precipitation hardening stainless steel is used for valves, pumps, shafts, and other mechanical components in industrial machinery.
   • It is suitable for use in chemical processing, food processing, and other industrial environments.

4. Automotive Parts:

   • S17400 finds use in automotive applications requiring high strength and corrosion resistance, such as fuel system components, suspension parts, and fasteners.

5. Oil and Gas Industry:

   • The material's resistance to corrosion makes it suitable for use in oil and gas extraction and refining equipment.
   • Common applications include valves, fittings, and downhole tools.

6. General Engineering and Construction:

   • S17400 can be used for fasteners, tools, and other general engineering applications where high strength and corrosion resistance are required.
   • It may also be used in architectural and construction projects, such as for fasteners and fittings.

 

 

FAQ

Q1: Are you trading company or manufacturer?

A: We are the manufacturer with 3 factories. Specializing in producing welded Wear plate, carbon steel profile, Carbon Products bollard for over 10 years.

Q2:What product information must I provide before making a purchase?
A:Please provide the grade, width, thickness, and surfacetreatment requirements, as well as the quantities you require.

Q3:What are your payment terms?
A: 30% T/T in advance and 70% balance before shipment or based on BL copy or LC at sight.

Q4:Is it possible to send samples?
A: Of course, we offer free samples and express shipping to customers all over the world.

Q5:Do you offer a service for customized products?
A: Yes, we can produce according to your specifications and drawings.

Q6:Can you assist me in importing steel products for the first time?
A: Yes, we have shipping agent who will arrange the shipment with you.
Q7. What is your delivery time?
A: Within 7 working days after receiving your balance payment.