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1.1 This specification covers martensitic stainless steels for various structural, architectural, pressure vessel, and heat-resisting applications. The mechanical properties of these steels are customarily, but not necessarily, developed by a suitable heat treatment generally referred to as tempering.
1.2 Steel products under this specification are available in two grades:
|Grade||Yield Strength, min, ksi [MPa]|
|40 ||40 |
|50 ||50 |
1.3 The maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical property requirements; however, current practice normally limits the maximum thickness of plates furnished under this specification to 1 in. [25 mm].
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. 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 with the standard.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A480/A480M Specification for General Requirements for Flat-Rolled Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
A673/A673M Specification for Sampling Procedure for Impact Testing of Structural Steel
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
Other DocumentSAEJ1086 Recommended Practice for Numbering Metals and Alloys Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http://www.sae.org.
ICS Number Code 77.140.01 (Iron and steel products in general)
UNSPSC Code 30102205(Stainless steel plate)