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4140 4330 Mod4340 / E-43404620 Vac. / AMS 62946150 Vac. / AMS 6448AISI 9310300mMARAGING 350MARAGING 300MARAGING 250

1.4542 / 17-4 PH

Standards

Mat. No.
1.4542
EU
X5CrNiCuNb16-4
AISI/ASTM
630
UNS
S17400
Other
17-4 PH®
1.4542 is a martensitic chromium-nickel stainless steel group stabilized with niobium.
1.4542, precipitation hardenable stainless steel, offers high strength and toughness. Excellent strength values can be achieved through cold forming followed by precipitation hardening heat treatment.

Chemical Composition & Mechanical and Physical Properties

C%
?0.07
Mn%
1.50 max
P%
0.040 max
S%
0.015 max
Si%
0.70 max
Cr %
15.00-17.00
Ni%
3.00-5.00
Mo %
0.60 max
Nb %
5xC
Cu %
3.00-5.00
H 950
Tensile Strength MPa
1310
Yield Strength MPa
1170
Sertlik HRC
40-47
H 925
Tensile Strength MPa
1170
Yield Strength MPa
1070
Sertlik HRC
38-45
H 1025
Tensile Strength MPa
1070
Yield Strength MPa
1000
Sertlik HRC
35-42
H1075
Tensile Strength MPa
1000
Yield Strength MPa
860
Sertlik HRC
33-39
H1100
Tensile Strength MPa
965
Yield Strength MPa
790
Sertlik HRC
32-38
H1150
Tensile Strength MPa
930
Yield Strength MPa
725
Sertlik HRC
28-37
H1150-M
Tensile Strength MPa
790
Yield Strength MPa
515
Sertlik HRC
26-30
Annealing process (Solution Heat Treated, Con.A) 1040-1065°C °It is made between C.

Application areas

In the Aviation Industry
In the Defense Industry
In applications requiring high corrosion resistance and strength,
In valve components, nuclear reactor components, and jet engine parts.

Specifications

ASME: SA564, SA693, SA705, Type 630
AMS: 5604, 5622, 5643, 5825, 5827
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