JSA - JIS G 4109
Chromium-Molybdenum Alloy Steel Plates for Boilers and Pressure Vessels
|Publication Date:||21 January 2013|
|ICS Code (Flat steel products and semi-products):||77.140.50|
|ICS Code (Steels for pressure purposes):||77.140.30|
|ICS Code (Stainless steels):||77.140.20|
This Standard specifies the hot-rolled chromium-molybdenum alloy steel plates (hereafter referred to as "steel plates") to be used for boilers and pressure vessels in services at ordinary to elevated temperatures.
NOTE: The International Standards corresponding to this Standard and the symbol of degree of correspondence are as follows.
ISO 9328-1: 2011 Steel fiat products for pressure purposes-Technical delivery conditions-Part 1: General requirements
ISO 9328-2: 2011 Steel fiat products for pressure purposes-Technical delivery conditions-Part 2: Non-alloy and alloy steels with specified elevated temperature properties (Overall evaluation: MOD)
The symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/ lEC Guide 21-1.