No, B7 is high carbon steel alloy. G8 & G5 products are both medium carbon steel, but G8 has been hardened. Grade 8 steel and B7 are both harder than average low carbon steel. However they will both exhibit different characteristics from each other. The biggest difference will be that Grade 8 is much more brittle.
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can you use 8.8 bolts on steam mains at 14.7 Bar pressure and 315 deg c
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There are N = 6670903752021072936960 6.671×1021 valid Sudoku grids. Taking out the factors of 9! and 722 coming from relabelling and the lexicographical reduction of the top row of blocks B2 and B3, and of the left column of blocks B4 and B7, this leaves 3546146300288 = 27×27704267971 arrangements, the last factor being prime. 9^9 x 8^9 x 7^9 x 6^9 x 5^9 x 4^9 x 3^9 x 2^9 x 1^9 = 362880^9
To the tune of 'American Pie' A E F#m A long, long time ago Bm D F#m E Long before the Super Bowl and things like lemonade A E F#m The Hellenic Republic was full of smarts Bm D And a question resting on the Grecian hearts F#m D E Was "What is the circumference of a circle?" F#m Bm But they were set on rational numbers F#m Bm And it ranks among their biggest blunders D A Bm They worked on it for years D E And confirmed one of their biggest fears A E F#m Bm7 E I can't be certain if they cried when irrationality was realized A E F#m But something deep within them died D E7 A D A the day they discovered pi. E They were thinking CHORUS: A D A E Pi, pi, mathematical pi A D A E 3 point 14 15 92 A D A E 65 35 89 7 F#m B7 932384 62 F#m E7 6433832 7 (not rounded) VERSE: A Bm Well this kind of pie is different than most D Bm It hasn't got berries, ain't spread on toast F#m E And that's how it's always been A E F#m We keep extending its decimal places Bm D Pushing our computers through their paces F#m E But we'll never reach the end F#m Bm So why the fascination with F#m Bm A number whose end is just a myth D A B7 Whence the adulation D E7 For mental masturbation A E F#m It might have something to do with the stars Bm D To calculate distances from afar A E F#m But that's just a guess 'bout the way things are D E7 A D A Regarding the precision of pi E7 I am pondering A D A E Pi, pi, mathematical pi A D A E 3 point 14 15 92 A D A E 65 35 89 7 F#m B7 932384 62 F#m E7 6433832 7 (not rounded)
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