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Grade 17-7PH
Corresponding Standard SAE AMS 5678F-1975(R2002)
Steel, Corrosion Resistant, Wire 17Cr - 7.1Ni - 1.1Al Cold Drawn, Precipitation-Hardenable
Classification Other Stainless Steels
Properties Strength Elasticity Corrosion Resistance
17-7PH Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo Al
Minimum Value - - - - - 16 6.5 - - 0.75
Maximum Value 0.09 1 1 0.04 0.03 18 7.75 0.5 0.75 1.5
17-7PH Mechanical Properties
diameter
d
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa
0.51＜d≤0.64 Cold Drawing 1862~2068
0.74＜d≤1.04 Cold Drawing 1793~2000
1.55＜d≤1.8 Cold Drawing 1669~1875
2.29＜d≤2.54 Cold Drawing 1565~1772
2.69＜d≤3.30 Cold Drawing 1524~1731
0.51＜d≤0.64 CH900 2275~2482
0.74＜d≤1.04 CH900 2206~2413
1.55＜d≤1.80 CH900 2048~2255
2.29＜d≤2.54 CH900 1924~2131
2.69＜d≤3.30 CH900 1875~2082
Approximate Comparison Table Precipitation Hardening Stainless Steel
China United States
GB SAE
0Cr17Ni7Al 17-7PH
17-7PH Corresponding Standards(Same grade name, different standards)
1 SAE J467b-1956(R1968)
17-7PH
2 SAE AMS 5678F-1975(R2002)
17-7PH
3 SAE AMS 5528H-2007
17-7PH

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