1.Application Potential:
A542/A542M specification covers two types of 21⁄4Cr-1 Mo and three types of Cr-Mo-V alloy steel plates for use in the quenched-and-tempered condition, intended for the fabrication of welded pressure vessels and components.This standard covers steel A542CL1 ,A542CL2 , A542CL3,A542CL4 and A542CL4a.These plates are widely used in the fabrication of boilers and pressure vessels in industries such as shipbuilding, petrochemical and manufacturing.
2.Chemical Composition and Mechnical Property:
Chemical composition
Grade
|
Standard
|
C
|
Mn
|
S
|
Si
|
A542CL1
|
A542/A542M
|
0.18
|
0.25-0.66
|
0.025
|
0.50
|
A542CL2
|
A542/A542M
|
0.09-0.18
|
0.25-0.66
|
0.015
|
0.50
|
Mechnical Property
Grade
|
Tensile strength, ksi [MPa]
|
Yield strength, min,A ksi [MPa]
|
Elongation in 2 in. [50 mm], min, %B
|
A542CL1
|
105–125 [725–860]
|
85 [585]
|
14
|
A542CL2
|
115–135 [795–930]
|
100 [690]
|
13
|
3.A542CL1,A542CL2 plates shall be heat treated by heating to a suitable austenitizing temperature, holding for a sufficient period of time to attain uniform temperature throughout the thickness, and quenching in a suitable liquid medium by spraying or immersion.For more Supplementary requirements such as S1. Vacuum Treatment,S2. Product Analysis and so on,do not hesitate to contact us,we will do our best to satisfy you.
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