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ASTM A387Gr.12 steel
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ASTM A387Gr.12 steel

ASTM A387Gr.12 steel

A387Gr.12 pressure vessel steel plate has minimum yield strength at 240 Mpa and tensile strength within 415-585 Mpa. Pressure vessel steel plate SA387 Grade 12 is in American standard ASME SA 387/SA 387M. Boiler steel plate A387 Grade 12 is according to ASTM A387/A387M. These steel materials also shall conform to steel specification A20/A20M. These requirements outline the testing and retesting methods and procedures,permissible variations in dimensions and weight,quality and repair of defects,marking,loading,etc.

For A387 Gr.12 steel plate, the nominal chromium containing is 1.00% and the nominal molybdenum content is 0.50%.

A387Gr.12 steel chemical composition:

Grade Chemical composition %
C Mn P S Si Cr Mo
A387 Gr.12 0.04-0.17 0.35-0.73 ≤0.035 ≤0.035 0.13-0.45 0.74-1.21 0.40-0.65

A387Gr.12 steel mechanical properties:

Grade Yield strength
min
Tensile strength Elongation min %  
Mpa Mpa T:200mm T:50mm
A387Gr.12 240 415-585 18 22

ASTM A387Gr.12 related grades: P265GH, P355GH, 16Mo3, 15Mo3, A204Grade A, A285 Grade C, SA299 Grade A, SA387, A516 Grade 70, A537Class 1,SPV355, Q345R.

Shanghai Katalor Enterprises Co., Ltd is committed to steel processing and export. We have the most comprehensive service. One package service will be offered, including cutting,welding, drilling, shot blast cleaning, derusting, painting, galvanized, etc, our service will be around your requirement and ensure the perfect service.

About ASTM A387-12-2 steel, we can offer the follow specifications:

Thickness: 6mm to 300mm
Width: 1500mm to 4050mm
Length: 3000mm to 18000mm

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