Buy ASTM A/AM Standard Specification for Alloy-Steel Turbine-Type Bolting Material Specially Heat Treated for High-Temperature Service from SAI. This study is a continuation of a project to characterise ASTM A Grade B4B During testing, it was found that ASTM A Grade B4B steel has a well. Hello all, Looking for properties for a high temperature turbine bolting material A B4b, in particular Young’s Modulus and CTE for the.

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Historical Version s – view previous versions of standard. This specifications covers alloy-steel bolting material specially heat treated for high-temperature service, such as steam turbine, gas turbine, and similar uses. The grades of steels covered here are: Steels of Grades B4B and B4C shall undergo heating, aetm quenching, reheating, tempering, and air or furnace cooling, respectively.

Steels of Grade B4D shall undergo heating, oil quenching, reheating or tempering, and air of furnace cooling, respectively. Heat and product aetm shall be performed wherein specimens shall conform to required chemical composition of carbon, manganese, phosphorus, sulfur, silicon, nickel, chromium, molybdenum, vanadium, tungsten, aluminum, titanium, and tin.


The steels shall undergo tensile, impact, and hardness tests, and shall conform to the following mechanical requirements: All bars or forged blanks of starting material shall be subjected to nondestructive inspection using any of the following methods: Eddy current, Magnetic particle inspection wet or dryLiquid penetrant inspection, Ultrasonic testing, or Visual testing. This abstract is a brief summary of the referenced standard.

It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and asttm. 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 material requires special processing and should not be used in general-purpose applications.

ASTM A B4b properties – Metal and Metallurgy engineering – Eng-Tips

Bolting furnished as bars shall be hot wrought and may be a47 processed by centerless grinding or by cold drawing. Although the high-temperature properties are not specified, they are implied by control of the chemistry, heat treatment, and room-temperature properties of the bolting material. The supplementary requirements shall apply only when specified individually by the purchaser in the purchase order or contract.


Within the text, the A43 units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Combining values from the two systems may result in non-conformance a4337 the standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Link to Active This link will always route to the current Active version of the standard.