AASHTO M 322M/M 322-22

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This specification covers rail-steel and axle-steel bars for concrete reinforcement. Three types of product are included, designated with a “rail symbol” and an “R” for bars made of rail-steel and with an “A” for bars made of axle-steel. The standard sizes and dimensions of deformed bars and their number designations are given in Table 1. All sizes and grades of all types may not be readily available; manufacturers should be consulted to verify availability.

Type “rail symbol” and Type R are of two minimum yield levels, namely 350 MPa [50,000 psi] and 420 MPa [60,000 psi], designated as Grade 350 [50] and Grade 420 [60], respectively. Type A is of two minimum yield levels, namely 300 MPa [40,000 psi] and 420 MPa [60,000 psi], designated as Grade 300 [40] and Grade 420 [60].

The weldability of the steel is not a requirement of this specification.

This specification is applicable for orders in either SI units (M 322M) or inch-pound units (M 322). The values stated in either SI units or inch-pound units are to be regarded as standard. Within the text, the inch-pound units are shown in brackets. The values stated must be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

Product Details

Published:

2022

Number of Pages:

10

Units of Measure:

Dual

File Size:

1 file , 400 KB

Note:

This product is unavailable in Ukraine, Russia, Belarus