ASTM A387 GR.11 CL.1 steel plate is one of the chromium molybdenum alloy steel plates, and it is intended primarily for welded boiler and pressure vessels designed of elevated temperature service. ASTM A387 GR.11 CL.1 steel plate is applied in temperature range of 316℃-593℃. ASTM A387 GR.11 CL.1 steel plate tends to be fine grain, low silicon, low sulfur, calcium treated and occasionally produced with quenching and tempering treatment to give the highest levels of toughness.
ASTM A387 GR.11 CL.1 steel plate is in American standard ASTM A387/A387M. Its minimum yield strength is 240 Mpa,and tensile strength is within 415-585 Mpa. ASTM A387 GR.11 CL.1 steel plate has been widely used in the areas such as petrol chemical industry, steam power equipment, and high temperature services.
ASTM A387 GR.11 CL.1 steel plate is supplied with mill certificate in accordance with EN 10204 3.1 or EN 10204 3.2 as requirement of the customer. A387 GR.11 CL.1 steel offers excellent anti corrosion characteristics.
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