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AK Steel PH 15-7 Mo® Precipitation Hardening Stainless Steel, Condition RH 950

Category Metal , Ferrous Metal , Austenitic , Stainless Steel , Precipitation Hardening Stainless
Manufacturer AK Steel
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF AK Steel PH 15-7 Mo® Precipitation Hardening Stainless Steel, Condition RH 950.pdf
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Material Notes:
AK Steel 15-7 Mo® provides high strength and hardness, good corrosion resistance and minimum distortion on heat treatment. It is easily formed in the annealed condition and develops effective balance of properties by simple heat treatment. This alloy is useful for a wide range of applications that include retaining rings, springs, diaphragms, aircraft bulkheads, welded and brazed honeycomb paneling and other aircraft components requiring high strength at elevated temperatures. The material supplied from the mill is in Condition A. After fabrication, and conditioning treatments, the material is precipitation hardened into either Condition TH 1050 or Condition RH 950. To achieve the highest mechanical properties Condition A material is transformed to martensite at the mill by cold reduction to Condition C. After fabrication by the user a single low-temperature heat treatment is preformed to achieve condition CH 900.Information provided by AK Steel
Physical Properties Metric English Comments
Density 7.68 g/cc
0.277 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 48
48
Tensile Strength, Ultimate 1655 MPa
240000 psi
Tensile Strength, Yield 1552 MPa

@Strain 0.200 %
225100 psi

@Strain 0.200 %
Elongation at Break 6.0 %
6.0 %
in 2 inches
Modulus of Elasticity 200 GPa
29000 ksi
Thermal Properties Metric English Comments
CTE, linear 9.00 µm/m-°C

@Temperature 21.0 - 93.0 °C
5.00 µin/in-°F

@Temperature 69.8 - 199 °F
11.0 µm/m-°C

@Temperature <=538 °C
6.11 µin/in-°F

@Temperature <=1000 °F
Thermal Conductivity 15.1 W/m-K

@Temperature 93.0 °C
105 BTU-in/hr-ft²-°F

@Temperature 199 °F
19.2 W/m-K

@Temperature 316 °C
133 BTU-in/hr-ft²-°F

@Temperature 601 °F
Component Elements Properties Metric English Comments
Aluminum, Al 0.75 - 1.5 %
0.75 - 1.5 %
Carbon, C <= 0.090 %
<= 0.090 %
Chromium, Cr 14 - 16 %
14 - 16 %
Iron, Fe 69.58 - 76.75 %
69.58 - 76.75 %
As Remainder
Manganese, Mn <= 1.0 %
<= 1.0 %
Molybdenum, Mo 2.0 - 3.0 %
2.0 - 3.0 %
Nickel, Ni 6.5 - 7.75 %
6.5 - 7.75 %
Phosphorous, P <= 0.040 %
<= 0.040 %
Silicon, Si <= 1.0 %
<= 1.0 %
Sulfur, S <= 0.040 %
<= 0.040 %
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