ASTM A998 Standard Specification

ASTM A998 / A998M – 12 Standard Practice for Structural Design of Reinforcements for Fittings in Factory–Made Corrugated Steel Pipe for Sewers and Other Applications

corrugated steel pipe

Our corrugated steel pipe is available in a variety of thicknesses and is available with a galvanized, aluminized or polymer coating. We also offer corrugated stainless steel pipe. These products are used extensively in flood control, drainage, and sewer systems because steel is reliable, traceable, sustainable, and strong. We manufacture pipe sizes ranging from 6” diameter through 156” diameter. A range of wall thicknesses are available and the standard length is 20-feet, though other lengths are available. Sunny Steel also provides complimentary products for all of your project development needs.

ASTM A998 Standard  practice covers the structural design of reinforcement for fittings in factory-made, round corrugated steel pipe, conforming to Specifications A760/A760M or A762/A762M, for use as storm and sanitary sewers and other buried applications. This practice is for fittings on pipe installed in a trench or embankment and subjected to earth loads and live loads. It must be recognized that a buried corrugated pipe is a composite structure made up of the steel ring and the soil envelope, and both elements play a vital part. Both main and branch pipe shall be designed in accordance with Practice A796/A796M and installed in accordance with Practice A798/A798M.

ASTM A998 Standard  covers the structural design of reinforcement for fittings such as those for branch pipes. Refer to Section 5 for design limitations.

ASTM A998 Standard  does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

The values stated in either inch-pound units or SI units shall be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other, without combining values in any way. SI units are shown in brackets in the text for clarity, but they are the applicable values when the design is to be performed using SI units.

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