ASTM A400 PDF

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This standard has been approved for use by agencies of the Department of Defense. 2. Referenced Documents ASTM Standards: 2. A Specification for. ASTM A – Download as PDF File .pdf), Text File .txt) or read online. ASTM A Standard Practice for Steel Bars, Selection Guide, Composition, and Mechanical Properties.

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Cold Working Alloy is readily cold worked by virtually all cold fabrication methods. Note 1—Steels listed as approved for heavier section or higher strengths may be used in the same conditions for lighter sections and lower strengths.

Alloy 400/400AR

The criteria for placing a steel composition in one of the three general class designations, Classes P, Q, and R described in Section 4 are as follows:. The choice of welding product is dependent upon the materials being welded and the environment in which it occurs. The alloy is also available in the as-rolled condition Alloy AR which imparts higher strength to the alloy. I don’t have the specification. Click Here to join Eng-Tips and talk with other members!

D These steels have insufficient hardenability for Class P-4, because of difference in test locations, but are satisfactory for other smaller sizes. It has outstanding resistance to neutral and alkaline salts and has been utilized for many years as a material of construction for salt plants. Per the stated strength levels, I see that HT per A could work, but I can’t be sure without more info.

Alloy AR is stocked in thicknesses from.

Alloy Corrosion Resistant Nickel Alloy Plate – Sandmeyer Steel

Cold working should be performed on annealed material. Applications Chemical Processing Equipment — in fluorine, hydrofluoric acid, hydrogen fluoride, hydrochloric acid, sulfuric acid, neutral and alkaline salt solutions, caustic alkalies, non-oxidizing halides and dry chlorine service.

The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. Close this window and log in. A hardness indicated by tests made at a location shown in Fig. I would not have asked the question if I had the spec. Students Click Here Join Us! Note 4—Steels having a maximum carbon content of 0.

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A hardness indicated by tests made at a location shown in Fig. Note 1—Steels listed as approved for a certain section or strength may be used for lighter sections and lower strengths. Alloy can be machined at standard rates with conventional machine tools. You have this information in the ASTM specification, see below 4. This application would use a 4. The steel compositions suitable for Classes Q-1 through Q-7 and various desired mechanical properties are listed in Tables 3 and 4.

Alloy is one of the few materials that will withstand contact with fluorine, hydrofluoric acid, hydrogen fluoride or their derivatives. The information and data in this product data sheet are accurate to the best of our knowledge and belief, but are intended for informational purposes only, and may be revised at any time without notice. D These steels have insufficient hardenability for Class Q-4 parts because of different location of test specimens, but are satisfactory for smaller sections. By joining you are opting in to receive e-mail.

The alloy has a somewhat higher work hardening rate than carbon steel, but not as high as stainless steel. The alloy exhibits very low rates of corrosion in flowing sea or brackish water. This is not a specification for the procurement of steel. This is not a specification for the procurement of steel. Heavier than normal drafts may be required.

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Alloy UNS N is a nickel-copper alloy with excellent resistance to a wide range of corrosive environments. It is resistant to chloride stress corrosion cracking and has high strength and toughness over a wide range of temperatures.

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However, under stagnant conditions, the alloy can encounter crevice and pitting corrosion. Working at lower temperatures will result in higher mechanical properties and smaller grain size. Note 1—Steels listed as approved for heavier sections or higher strengths may be used in the same conditions for lighter sections and lower strengths.

Test specimens immersed in solution in storage tank.

The criteria for placing a steel composition in one of the three general class designations, Classes P, Q, and R described in Section 4 are as atm Equivalent Yield Strength, psi A. Marine Components — shipbuilding, valves, pumps, shafts and in sea and brackish water Oil and Gas Production — splash-zones for offshore structures and sour gas applications Ore 4a00 — uranium refining and separation in the production of nuclear fuels Petroleum Refining — alkylation units, crude petroleum stills, piping and storage tanks Power Generation — feed-water heaters and steam generators Water Treatment — brine heaters and evaporators in seawater desalination plants.

Alloy AR is produced in the as-rolled condition to meet higher strength requirements.

Steels with lower alloy contents are often satisfactory through the use of special processing techniques. Welding Alloy can be welded to asym or dissimilar metals by utilizing conventional welding processes. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. The alloy has been found to offer exceptional resistance to hydrofluoric acid in all concentrations up to the boiling point.

It would not be cost effective to buy a spec just to bid the job. Bars cold-finished by turning, grinding, turning and polishing, etc. The locations for obtaining tension tests are described in 6.