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SA-705 pressure vessel

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metalonis

metalonis

Mechanical
Joined
Feb 28, 2002
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183
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ASME SA-705 Type 630 condition H1150 list strengths for forgings up to 8 inches in diameter. Does this mean that vessels larger in diameter are not permitted?
 
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You have confused Applicable Thickness (of the base metal forging) in Table 3 with diameter.
 
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The forging is a solid bar, not a forged shape.
 
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But it will be drilled out. Final heat treatment will be after drilling out.
 
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Typically we would take a solid cylindrical heat-treated forging and then machine the bore and closure. Heat treatment after machining looks like a possible option. Thanks for the idea.
 
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