Ductile Iron SAE J434c Grade D5506 (UNS F33800)

Image of Iron SAE J434c Grade D5506 bars

SAE J434c Grade D5506 is a type of ductile iron that is used for highly stressed parts that require good toughness.

Chemical Composition
ElementMinMax
Iron90.738%94.175%
Carbon3.6%3.8%
Cerium0.005%0.20%
Chromium0.03%0.07%
Copper0.15%1.0%
Magnesium0.03%0.06%
Manganese0.15%1.0%
Molybdenum0.01%0.10%
Nickel0.05%0.20%
Phosphorus0.03%
Silicon1.8%2.8%
Sulfur0.002%

The following table provides a list of SAE J434c Grade D5506 properties in both SI and US customary/Imperial units.

Click on the icon to switch between Metric and Imperial units.

Table of SAE J434c Grade D5506 Properties
Physical Properties
Metric
Density7100 - 7200 kg/m3
Mechanical PropertiesMetric
Tensile Strength (Ultimate)≥ 552 MPa
Tensile Strength (Yield)≥ 379 MPa
Brinell Hardness187 - 255
Knoop Hardness Converted from Brinell246
Vickers Hardness Converted from Brinell232

The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.

Advantages & Disadvantages of Iron J434c Grade D5506

AdvantagesDisadvantages
High strengthMore expensive than other types of cast iron
Good toughnessMore difficult to weld than other types of cast iron
Good machinabilityCan be brittle at low temperatures
Corrosion resistantCan be porous, which can lead to fatigue cracking
Cost-effective

Applications of Iron J434c Grade D5506

Some of the applications of Iron SAE J434c Grade D5506:

  • Automotive industry components
  • Machinery and equipment manufacturing
  • Engine blocks and cylinder heads
  • Gears and gearboxes
  • Brackets and suspension components
  • Industrial valves and fittings
  • Oil and gas industry components
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