The material: 'Grade 143D Stainless Steel' you were looking for has been superseded by the one below.

Grade 143D Stainless Steel

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Description

1.4594 (X5CrNiMoCuNb14-5) is a precipitation hardened martensitic stainless steel used predominantly in the aerospace industry. It offers excellent strength and hardness combined with a good general corrosion resistance (similar to that of the 300 series stainless). It also offers excellent anti-galling properties and a good resistance to some mildly acidic conditions. However, 143D is subject to pitting corrosion in marine environments and crevice corrosion on prolonged immersion. It shows the following features and properties:

Excellent strength and hardness levels

Good general corrosion resistance

Equivalent Materials

This material data has been provided by Matmatch.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

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Properties

Mechanical

Property	Temperature	Value
Elongation	23.0 °C	15 % Show Material materials with Elongation of 15 %
Tensile strength	23.0 °C	1080 MPa Show Material materials with Tensile strength of 1080 MPa
Yield strength	23.0 °C	930 MPa Show Material materials with Yield strength of 930 MPa

Chemical properties

Property	Value	Comment
Carbon	0.07 % Show Material materials with Carbon of 0.07 %	max.
Chromium	14 % Show Material materials with Chromium of 14 %
Copper	1.6 % Show Material materials with Copper of 1.6 %
Iron	Balance
Manganese	1 % Show Material materials with Manganese of 1 %	max.
Molybdenum	1.6 % Show Material materials with Molybdenum of 1.6 %	max.
Nickel	5.4 % Show Material materials with Nickel of 5.4 %
Silicon	0.6 % Show Material materials with Silicon of 0.6 %	max.

Technological properties

Property
Application areas	Aerospace: Gas turbine blades, undercarriage components and fasteners
Corrosion properties	Good general corrosion resistance