17-4 PH Pipe
Lork Group is a leading supplier and exporter of the 17-4 PH pipe and tubes. 17-4 PH is a martensitic precipitation hardening stainless steel with additions of copper (Cu), niobium (Nb) and tantalum (Ta). The grade combines high strength and hardness values with moderate corrosion resistance. Different heat treatment temperatures can optimize mechanical properties, e.g. yield strength at 1100 – 1300MPa.
17-4PH pipe has good fabricating characteristics and can be age hardened by a single step, low temperature treatment. Is a versatile material widely used in the aerospace, chemical, petrochemical, food processing, paper and general metalworking industries.
Characteristics
- High strength
- Hardness (up to 572°F /300°C)
- Corrosion resistance
- Mechanical properties can be optimized with heat treatment.
- Very high yield strength up to 1100-1300 MPa (160-190 ksi) can be achieved.
We keep a selection of common sizes of 17-4 PH pipe in stock. If you have high requirements for the delivery time of the pipe and tubes, you can confirm with us request a quote.
Specification
|
Type |
Cold Drawn / Welded / ERW |
|
Outer Diameter Size |
Seamless - 1/4" NB to 6" NB (Nominal Bore Size) |
|
Wall Thickness |
Schedule 10 to Schedule 160 |
|
Length |
5 to 7 Meters, 09 to 13 Meters, Single Random Length, Double Random Length And Customize Size. |
|
Ends |
Plain Ends / Beveled Ends |
|
Delivery Conditions |
As Rolled, Cold Drawn, Hot Finish, Stress Relieved, Annealed, Hardened, Tempered |
|
Coating |
Electropolish, Mechanical Polish, Satin Finish, Passivated |
|
Other Testing |
NACE MRO175, Hardness Test, Flare, Hydrostatic Test, Eddy Current test, Grain Size Test, Eddy Current, Annealed, Tempered, Stress Relieved etc. |
|
Dimension |
All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM And ASME |
|
Value Added Services |
Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment |
|
Packaging |
Loose / Bundle / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector |
Chemical Composition
|
Element |
Content (%) |
|
Iron, Fe |
73 |
|
Chromium, Cr |
15.0 - 17.5 |
|
Nickel, Ni |
3.0 - 5.0 |
|
Copper, Cu |
3.0 - 5.0 |
|
Manganese, Mn |
1.0 |
|
Silicon, Si |
1.0 |
|
Tantalum, Ta |
0.45 |
|
Niobium, Nb (Columbium, Cb) |
0.45 |
|
Nb + Ta |
0.15 - 0.45 |
|
Carbon, C |
0.070 |
|
Phosphorous, P |
0.040 |
|
Sulfur, S |
0.030 |
Physical Properties
|
Properties |
Metric |
Imperial |
|
Density |
7.75 g/cm3 |
0.280 lb/in³ |
Mechanical Properties
|
Properties |
Metric |
Imperial |
|
Shear modulus |
77.4 GPa |
11200 ksi |
|
Elastic modulus |
190-210 GPa |
27557-30458 ksi |
|
Poisson's ratio |
0.27-0.30 |
0.27-0.30 |
|
Hardness, Brinell |
352 |
352 |
|
Hardness, Knoop (estimated from Rockwell C) |
363 |
363 |
|
Hardness, Rockwell C |
36 |
36 |
|
Hardness, Vickers (estimated from Rockwell C) |
349 |
349 |
Application
- Aerospace - structural and parts
- Biomedical - hand tools
- Chemical Processing
- Food Process Equipment
- Gate Valves
- Mechanical Components
- Nuclear Waste Processing and Storage
- Oil and Gas Production - foils, helicopter deck platforms, etc.
- Pulp and Paper - paper mill equipment
Surface Treatment
Manufacturing Process
Main Applications
Packaging & Shipping
FAQS
If you have any other questions, please contact me!
Q: Can you produce nickel alloy bars?
A: Yes, we can produce nickel alloy bars according to your requirements.
Q: What is your minimum order quantity?
A: Our minimum order quantity is 50 kg. Larger quantity, lower price.
Q: How long is your delivery time?
A: Generally delivery time for stock is 3 days, and customization takes 15 working days or more, but it is also affected by your specific requirements or order quantity.
Q: Can you provide samples?
A: For small parts, we can provide free sample of regular sizes, but the shipping costs will be borne by you. For large parts sample, we will include it in the order amount. Please confirm with our sales department for your specific requirements.
Q: How can l quickly get the price list?
A: Directly send us email with detailed specification, and you will get the official price list in 1 hour.
Q: How do you control product quality?
A: From the selection of raw materials to transportation packaging, every production process will be testing and evaluated. Only products that have passed all tests can be delivered for export.
Q: Can you provide processing services?
A: Yes, we also provide processing services to our customers. It is one of our goals to provide specialized services such as bending, water cutting, laser cutting, digging holes, welding, slitting of coils, and other fabrications according to the drawings.
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