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The SAE standard J is commonly used for specifying automotive Ductile Iron castings. In an attempt to create a single, comprehensive system for designating . 23 Sep SURFACE VEHICLE STANDARD? J REV. FEB Issued Revised Superseding J JUN (R) Automotive. See the chemical composition and physical properties of SAE J Grade D ferritic, pearlitic Iron, find alternative materials, and connect with suppliers.

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English, SI units, and non-SI metric units. FCD min. Mechanical property values are given in the units normal to the particular specifying body. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. sxe

Ductile Iron Data – Section 12

It is up to the designer to specify a set of properties – mechanical, physical, chemical or dimensional – which best suit the casting to its purpose. D HBW or as agreed Pearilite. We also ask that you refer to MatWeb’s terms of use regarding this information. The values for these maerials apply to castings cast in sand moulds of comparable thermal diffusivity. This standard, and its replacement, the EuroNorm standard EN will become increasingly important with the formation of the European Community.

SAE J434 for Automotive Ductile (Nodular) Iron Castings

Typical Hardness Range MPa. Pearlite or temper structure. Silicon-Molybdenum Ductile Irons C. A wide variety of properties are possible. Minimum proof stress R p0. Tensile strength, min, psi. Tensile strength, min, MPa.


SAE J434 Grade D4512 ferritic, pearlitic

Test Coupon Section Thickness. The grades, mechanical properties and metallurgical description are shown in Table 1. Range specified by agreement. SAE J for Automotive Ductile Nodular Iron Castings The SAE standard covers the minimum mechanical properties measured on separately cast test pieces of varying thickness and micro-structural requirements for ductile iron castings used in automotive and allied saf.

The raw materials and production methods used by the foundry to provide conforming castings are not normally restricted by the designer or the specification unless j34 specification includes such instructions, or the designer and foundry agree to append additional instructions to a specification.

Charpy V-notch, ft-lbf min, average 3 tests. Impact strength energy loss J.

Minimum impact resistance values measured on V-notched test pieces machined from cast-on samples. Grade Tensile strength, R m1 min. Mechanical properties measured on test pieces machined from separately cast samples. Please read our License Sze regarding materials data and our Privacy Policy.

Yield strength, min, psi. To see MatWeb’s complete data sheet for this material including material property data, metal compositions, material suppliers, etcplease click the button below.

ase Tensile strength, R m1 min. Subject to amendments to be agreed upon in the order, they can apply to castings obtained by alternative methods.

  EN 3834-3 PDF

D D is used for more highly stressed parts. UNS numbers and corresponding Zae specifications. Minimum impact resistance values in J. Mean value of 3 pieces J. The area or areas on the castings where hardness is to be checked should be established by agreement between manufacturer and purchaser. Tensile strength, min, ksi MPa. Whatever the method used for obtaining the castings, the grades are based on the mechanical properties measured on test pieces taken from samples separately cast in a sand mould or a mould of comparable thermal diffusivity.

Table 1 Grades of ductile iron. Further values are given in annex D for guidance. Castings may be specified in the as-cast or heat —treated condition. The use of standard specifications simplifies j4344 purchase of castings from multiple suppliers because it defines a standard casting whose properties meet the designer’s needs, regardless of where, or how the castings were produced.

The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC. The properties of a cast-on test piece cannot reflect exactly the properties of the casting itself, but can be a better approximation than those obtained on a separately cast sample. A Additions of 0.