What are the dimensional specifications for the cross-section of HG20581 (P40) 5.4.3.4?

2011-04-15View Original

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HG20581 (P40) 5.4.3.4 For forgings that are highly or extremely hazardous, as well as those with a cross-sectional dimension greater than 300 mm, the requirements of Grade III or Grade IV must be met. Which aspect of size does the cross-sectional dimension refer to?

Reply #22011-04-15

For example, in the case of a discus, it should have a certain thickness, right?

Reply #32011-04-15

It must refer to the thickness cross-section of the forging! Otherwise, many human-shaped forgings require three-stage forging!

Reply #42011-04-16

Let’s take a look at NB/T47008~10 instead; it contains detailed information there

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What are the dimensional specifications for the cross-section of HG20581 (P40) 5.4.3.4?

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