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What is the heat analysis of boiler steel A516 Gr 70 plate? steel plate

A516 Gr 70 plate is also called SA516 GR 70, ASTM A516 Grade 485, ASME SA516 Grade 485. It is a hot selling boiler steel and pressure vessel plates product. Generally, it is used   for welded pressure vessels where improved notch toughness is important.
 
Chemical Composition (%) of boiler steel A516 Gr 70

 

Thickness(mm)

C

Mn

P

S

Si

Heat analysis

≤12.5

0.27

0.85-1.2

0.025

0.025

0.15-0.40

>12.5-50

0.28

0.85-1.2

>50-100

0.30

>100-200

0.31

>200

0.31

 
Mechanical Properties of boiler steel A516 Gr 70


Tensile Strength
Ksi (MPa)

Yield Strength
Ksi (MPa)

Elongation
Min, %

50-200mm

≤50mm

70-90 (485-620)

38 (260)

17

21

 
Features of boiler steel A516 Gr 70
Boiler steel A516 Gr 70 plate has good impact resistance, low temperature deformation, good welding performance, good fatigue resistance, good anti-layered cracking performance, micro-alloying, high purity, low carbon equivalent, strong resistance to sulfur and hydrogen, good dimensional tolerance and good surface quality.
 
Application of boiler steel A516 Gr 70
ASTM A516 Gr 70 boiler steel plates are mainly used for petroleum, chemical, turbine, boiler and other industries, used in the manufacture of reactors, heat exchangers, separators, spherical tanks, gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders, high-pressure hydropower stations Water pipes, water turbine volutes and other equipment and components.

Other technical requirements of boiler steel A516 Gr 70
UT, AR, TMCP, CR, N, Q+T, Z15, Z25, Z35, Impact test (-20℃, -40℃), HIC, SPWHT, NACE0175 

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