Type 17-4PH is a martensitic precipitation-hardening stainless steel that provides an outstanding combination of high strength, good corrosion resistance, good mechanical properties at temperatures up to 600ºF (316ºC), good toughness in both base metal and welds, and short time, low-temperature heat treatments that minimize warpage and scaling.
Specifications:
- Length: 1~ 8 meters
- Surface: Bright
- Length tolerance: 0/+50 mm
Chemistry Typical:
- Carbon: 0.070 max
- Manganese: 1.00 max
- Silicon: 1.00 max
- Chromium: 15.00-17.00
- Nickel: 3.00-5.00
- Copper: 3.00-5.00
- Columbium +Tantalum: 5 x Carbon min – 0.45 max
- Phosphorus: 0.040 max
- Sulfur: 0.030 max
- Iron: Balance
Physical Properties:- Density: 0.280 lbs/in³, 7.80 g/cm³
- Electrical Resistivity: (microhm-cm):
- 68°F (20°C): 98
- Specific Heat: BTU/lb/°F (kJ/kg•K):
- 32-212°F (0-100°C): 0.11(0.46)
- Thermal Conductivity: BTU/hr/ft²/in/°F (W/m•K)
- At 300°F (149°C): 124 (17.9)
- At 900°F (482°C): 157 (22.6)
- Mean Coefficient of Thermal Expansion:in/in/°F (μm/m•K)
- 70- 200°F (21-93°C): 6.0 x 10-6(10.8)
- 70- 600°F (21-315°C): 6.2x 10-6(11.2)
- 70-800°F (21-427°C): 6.3x 10-6(11.3)
- Modulus of Elasticity: ksi (MPa)
- 29.0 x 10³ (200 x 10³) in tension
- 11.2 x 10³ (78 x 10³) in torsion
Magnetic Permeability:
- Strongly ferromagnetic in all conditions
