B2B, Hardware

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ASTM A193 Grade B7 STUDBOLT & 2PCS A194 2H NUTS

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• 1" -8UN X 150mmL 
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ASTM A193 This specification covers alloy steel and stainless steel bolting material for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications

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ASTM A193 B7 Stud Bolt Chemical Composition %

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C	Mn	Si	P	S	Cr	Mo
0.37-0.49	0.65-1.10	0.15-0.35	0.035	0.04	0.75-1.20	0.15-0.25

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A193 B7 Stud Bolt Mechanical Properties

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Diameter	Tensile Strength	Yield Strength	Elongation	Reduction	Hardness
M64 or Below	860 Mpa	720 Mpa	16	50	321 HB
M64 to M100	795 Mpa	655 Mpa	16	50	321 HB
M100 to M180	690 Mpa	515 Mpa	18	50	321 HB

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A194 2H Hex Nut Chemical Components %

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C	Mn	Ph	S	Si
0.40 min	1	0.04	0.05	0.4

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A194 2H Hex Nut Mechanical Properties

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Size	TemperingTemp_x000D_   _x000D_ _x000D_ Fahrenheit _x000D_	Proof LoadStress, ksi	Hardness
1/4-1 1/2	850	175	248-327
1 1/2-4	850	175	212-327