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Home Material GB /T 3098.24-2020
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Performance Level CH0
Other Names
Corresponding Standard GB /T 3098.24-2020
Mechanical properties of fasteners-Stainless steel and nickel alloys bolts, screws, studs and nuts for high temperature applications
Classification Martensitic Stainless Steel
Properties Corrosion Resistance
CH0 Chemical Element Composition Content (%)
Component C Si Mn P S Cr More
Minimum Value 0.16 - - - - 12 Fe:余量
Maximum Value 0.25 1 1.5 0.04 0.03 14
CH0 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Bolts, screws, studs; all sizes Quenching and Tempering (+QT) ≥800 ≥600 ≥0.2d HRC
22~32
Nuts; all sizes Quenching and Tempering (+QT) ≥800 22~32

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