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API SPEC 2MT1

2nd Edition, September 2001

Complete Document

Specification for Carbon Manganese Steel Plate with Improved Toughness for Offshore Structures

Includes all amendments and changes through Reaffirmation Notice , January 2012


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G2MT12
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Product Details:

  • Revision: 2nd Edition, September 2001
  • Published Date: January 2012
  • Status: Active, Most Current
  • Document Language: English
  • Published By: American Petroleum Institute (API)
  • Page Count: 18
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

COVERAGE

This speciÞcation covers one grade of intermediate strength steel plates, though 2 ½ in. thick, for use in welded construction of offshore structures. These steels are intended for fabrication primarily by cold forming and welding as per API Spec 2B. The welding procedure is of fundamental importance, and it is presumed that procedures will be suitable for the steels and their intended service. Conversely, the steel should be amendable to fabrication and welding under shipyard and offshore conditions. These steels are suitable for use in selected portions of offshore structures, which must resist impact and plastic fatigue loading. When hot or warm forming or PWHT above 1100¡F is anticipated for accelerated cooling (AC) or quenched and tempered (QC) plates, S9 should be invoked, (italics added per ASTM A913).

PRIMARY APPLICATION

The primary use of these steels is for Class ÒBÓ applications as deÞned in API RP 2A. API Specs 2H, 2W, and 2Y cover other steels providing improved mechanical properties and toughness for Class ÒAÓ applications and should be used where substantial z-direction stresses are expected.