| 10mm | 12mm | 14mm | 15mm | 16mm | 18mm |
| 19mm | 20mm | 22mm | 25mm | 30mm | 32mm |
| 35mm | 38mm | 40mm | 45mm | 48mm | 50mm |
| 55mm | 60mm | 65mm | 70mm | 75mm | 80mm |
| 85mm | 90mm | 95mm | 100mm | 105mm | 110mm |
| 115mm | 120mm | 130mm | 140mm | 150mm | 160mm |
| 170mm | 180mm | 190mm | 200mm | 210mm | 220mm |
| 230mm | 240mm | 250mm | 260mm | 270mm | 280mm |
| 290mm | 300mm | 310mm | 320mm | 330mm | 340mm |
17-4PH stainless steel rod introduction
17-4PH is a martensitic precipitation-hardened stainless steel with
high strength, good corrosion resistance and excellent
processability. The "17" in its name represents chromium content of
about 17%, "4" represents nickel content of about 4%, and "PH"
represents Precipitation Hardening. Through heat treatment, 17-4PH
can obtain different mechanical properties, and is widely used in
aerospace, petrochemical, medical equipment and other fields.
Chemical composition
The typical chemical composition of 17-4PH stainless steel is as
follows (weight percentage) :
Element content (%)
- Carbon (C) ≤ 0.07
- 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
- Phosphorus (P) ≤ 0.04
- Sulfur (S) ≤ 0.03
- Niobium (Nb) 0.15-0.45
Mechanical property
The mechanical properties of 17-4PH can be adjusted by heat
treatment, and common states include H900, H1025, H1150, etc. The
following are typical mechanical properties:
| Heat treatment state | Tensile strength(MPa) | Yield strength (MPa) | Elongation(%) | Hardness (HRC) |
|---|---|---|---|---|
| H900 | 1310 | 1170 | 10 | 40-45 |
| H1025 | 1100 | 1000 | 12 | 35-40 |
| H1150 | 1000 | 860 | 13 | 30-35 |
Peculiarity
- High strength: By precipitation hardening treatment, 17-4PH has extremely high strength and hardness.
- Good corrosion resistance: shows excellent corrosion resistance in a variety of environments, especially in chloride environments.
- Excellent processing properties: easy to process, weld and heat treatment.
- Adjustable performance: Different mechanical properties can be obtained through different heat treatment processes.
- Wide application: suitable for high strength and corrosion resistance requirements of the field.
Specification
- Common specifications for 17-4PH stainless steel rods include:
- Diameter range: usually 10mm to 350mm, the specific specifications can be customized according to demand.
- Length: Generally 3 meters or 6 meters, can also be customized according to customer requirements.
- Surface treatment: black leather, car, polishing, etc.
Standard
- 17-4PH stainless steel rods are manufactured and tested according to the following standards
- ASTM A564: Hot-rolled and cold-rolled precipitation-hardened stainless steel bars, wires, and forgings.
- AMS 5604: Standard for aerospace materials for 17-4PH stainless steel.
- GB/T 1220: China national standard, suitable for stainless steel bars.
Application field
17-4PH stainless steel rods are widely used in the following
fields:
- Aerospace: Used in the manufacture of high-strength, corrosion-resistant components, such as engine components, fasteners, etc.
- Petrochemical: Used for corrosion resistant valves, pump shafts, pipelines, etc.
- Medical instruments: Used for high-strength, corrosion-resistant components such as surgical instruments and dental equipment.
- Food processing: mechanical parts and equipment for corrosion resistance.
- Marine engineering: high-strength and corrosion-resistant components for use in seawater environments.
17-4PH stainless steel rod is a high performance material with high
strength, good corrosion resistance and excellent processing
properties. Its mechanical properties can be adjusted by heat
treatment, which is suitable for aerospace, petrochemical, medical
equipment and other fields. Its chemical composition, mechanical
properties and specifications can be adjusted according to specific
requirements to meet the requirements of different application
scenarios.
