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Stainless Steel, 17-4ph

This grade is a Cr-Ni-Cu precipitation hardenable Steel, which combines high strength and hardness with exceptional resistance. It is corrosion resistant in some chemical, petroleum, paper, dairy and food processing industries (equivalent to 304L grade). Applications and industries are Offshore, Medical Equipment, Mechanical Components, Aerospace and Power Generation Turbine Blades.

Chemical Composition (Weight %)
  C Mn Si P S Cr Ni Mo Cu Nb
Min

 

15.00 3.00
3.00 5 X C
Max 0.07 1.00 1.00 0.040 0.030 17.50 5.00 0.50 5.00 0.45

Typical Mechanical Properties (Min)
Condition Tensile Strength, MPa Yield Strength 0.2%, MPa  Elongation %  Reduction of Area %  Hardness HB
H900 1310 1172 10 40 388-448
H925 1172 1069 10 44 375-438
H1025 1069 1000 12 45 331-401
H1075 1000 862 13 45 311-364
H1100 965 793 14 45 302-375
H1150 931 724 16 50 277-352
 

Related Specifications and Conditions

UNS S17400, ASTM A564 Type 630, ASTM A484, AMS 5643, AMS5622, AMS5604, 1.4542, 1.4548, Z6CNV17.04

Available Forms 

Round bar, flat bar, sheet, plate, strip, wire, forgings, tube
 
Chemical Composition (Weight %)
  Min Max
C   0.07
Mn   1.00
Si   1.00
P   0.040
S   0.030
Cr 15.00 17.50
Ni 3.00 5.00
Mo   0.50
Cu 3.00 5.00
Nb 5 X C 0.45

Typical Mechanical Properties (Min)
Condition H900
Tensile Strength, MPa 1310
Yield Strength 0.2%, MPa 1172
 Elongation % 10
 Reduction of Area % 40
 Hardness HRC 388-448
H925
Tensile Strength, MPa 1172
Yield Strength 0.2%, MPa 1069
 Elongation % 10
 Reduction of Area % 44
 Hardness HRC 375-438
H1025
Tensile Strength, MPa 1069
Yield Strength 0.2%, MPa 1000
 Elongation % 12
 Reduction of Area % 45
 Hardness HRC 331-401
H1075
Tensile Strength, MPa 1000
Yield Strength 0.2%, MPa 862
 Elongation % 13
 Reduction of Area % 45
 Hardness HRC 311-364
H1100
Tensile Strength, MPa 965
Yield Strength 0.2%, MPa 793
 Elongation % 14
 Reduction of Area % 45
 Hardness HRC 302-375
H1150
Tensile Strength, MPa 931
Yield Strength 0.2%, MPa 724
 Elongation % 16
 Reduction of Area % 50
 Hardness HRC 277-352
 

Related Specifications and Conditions

UNS S17400, ASTM A564 Type 630, ASTM A484, AMS 5643, AMS5622, AMS5604, 1.4542, 1.4548, Z6CNV17.04

Available Forms 

Round bar, flat bar, sheet, plate, strip, wire, forgings, tube