17-4 PH DH1150 Bar

Nombres alternativos y comerciales
17-4 PH, Alloy 1.4542, 17-4 PH
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Description

17-4 PH is a martensitic precipitation hardening stainless steel with additions of copper (Cu), niobium (Nb) and tantalum (Ta). The grade combines high strength and hardness values with moderate corrosion resistance. Different heat treatment temperatures can optimize mechanical properties, e.g. yield strength at 1100 – 1300MPa. Our stock material is double aged at 1150°F – defined as DH1150. Age hardening is can also be performed at 480°C to 620°C in a one-step process, where the lowest temperature gives the highest strength. To achieve good toughness at low temperatures, precipitation-hardening temperatures below 550°C are not recommended.

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por Sverdrup Steel.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

Propiedades

Medidas

PropertyValue

Diámetro

25.4 - 355.6 mm

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Mecánica

PropertyTemperatureValue

Charpy impact energy, V-notch

-46.0 °C

41 J

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Dureza Brinell

23.0 °C

255 [-]

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Elongación

23.0 °C

16 %

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Límite elástico Rp 0,2

23.0 °C

725 MPa

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Resistencia a la tracción

23.0 °C

860 MPa

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Chemical properties

PropertyValueComment

Azufre

0.03 %

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Carbono

0.07 %

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Cobre

3 - 5 %

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Cromo

15 - 17.5 %

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Fósforo

0.04 %

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Hierro

Balance

Manganeso

1 %

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Níquel

3 - 5 %

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Otro

0.15 - 0.45 %

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Nb+Ta

Silicona

1 %

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Technological properties

Property
Application areas

chemical, petrochemical, paper and general metalworking industries

Heat Treatment

Solution annealing at 1000 to 1050°C, hardened at 480°C (H900) to 621°C (H1150)

Welding

Good, Pre-heating and post-heating practices used for standard hardenable stainless grades are not required. Min. RREN: 17