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a193 gr b7 quenching and tempering alloy steel round bar

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    ASTM A193 Gr.B7 ROUND BAR. Piyush Steel is an ISO 14000 certified Supplier of ASTM A193 Gr.B7 Round Bar, We Maintain over 800 Ton of Round Bar In various Dimensions & Sizes.We were the first Indian who are ONGC approved Exporter of ASTM A193 Gr.B7 Round Bar also we are KNPC & NTPC approved Manufacturer of ASTM A193 Gr.B7 Round Bar.From the Year 1992 We are ISO

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    Jan 30, 2008 · The material is 4140 alloy steel. The annealed hardness is currently 23 HRC. ASTM A193 requires that the tempering process be done at 100 degress below the heat treat temperature. For B7 that temperature is 1100F.

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    Alloy steel astm a193 grade b7 / aisi 4140 / sae 4140 / 42CrMo4 material is considered as the most suitable for botls and nuts to be used at temperature below 450 degree C, with a minimum effect on its structural strength during application at a high temperature.. Advantages of astmastm a193 grade b7 / aisi 4140 / sae 4140 / 42CrMo4 qt steel round bar for gr 10.9 bolts we supply:

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