ASTM A571 PDF

More A The castings shall be made in the electric-arc furnace, induction furnace, cupola, or any other furnace which is capable of producing castings. Heat and product analyses shall be performed wherein specimens shall conform to required chemical composition of carbon, silicon, manganese, nickel, chromium, and phosphorus. The castings shall undergo tension tests and impact tests, and shall conform to the following mechanical requirements: tensile strength, yield strength, elongation, Brinell hardness, and Charpy V-notch. This abstract is a brief summary of the referenced standard.

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Fenrijar There is own machining workshop to complete all rough machining and some finish machining works. Yield strength, min, MPa. Mean value of 3 pieces J. The castings shall be made in the electric-arc furnace, induction furnace, cupola, or any other furnace which is capable of producing castings. Test Coupon Section Thickness. Sand Casting Foundries Introducing some sand casting foundries in USA and China, whose main products are various gray iron, ductile iron and steel asstm castings.

The values for these maerials apply to castings cast in sand moulds of comparable thermal diffusivity. Over 30, up to and incl. Ductile Iron Data — Section 12 Minimum impact resistance values measured on S test pieces machines from separately cast samples. Using the latest in no-bake sand processes and among them are firms producing machinery and products in the following industries: Chief thickness of iron casting mm.

A Additions of 0. Minimum impact resistance values in J. Brinell hardness range HB. Once the specification has been selected, the foundry must ensure that all castings delivered meet or exceed the specification. Webprint Printed and bound. 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 astj cast sample.

Austenitic Ductile Irons D. Minimum impact resistance values measured on V-notched test pieces machined from cast-on samples.

Further values are given in annex D for guidance. Test Coupon Section Thickness 1 in. GLC provides castings in weights ranging from a few ounces up to fifty pounds. Beyond Specifications Standards and specifications ensure uniformity and assist both the designer and the foundry in defining the most important properties of the castings. American Society of Automotive Engineers Inc. Smith Foundry specializes in gray iron, ductile iron and sand castings in the USA. The values for the materials apply to castings cast in sand moulds aatm comparable thermal diffusivity.

Treatment laddle — 3 Nos Capacity — Cupola 1. Great Lakes Castings Great Lakes Castings foundry produces gray iron castings, ferrous castings, and green sand castings for a variety of applications in American.

Their castings are all in the gray iron classeswith a base iron tensile of 30, ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. This standard specifies chemical, axtm, and hardness requirements. Sand Casting Foundries A wide variety of properties are possible. Tensile strength, R m1 min. The values for the materials normally apply to castings with thicknesses between 30 mm and mm 5a71 with a mass greater than kg or when the relevant wall thickness may vary between 30 mm and mm.

It is up to the designer to specify a set of properties — mechanical, physical, chemical or dimensional — asgm best suit the casting to its purpose. The castings shall have a carbon equivalent of 3. Most Related.

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