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F 880 Class A1-50 18-9LW

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F 594 18-9LW F 880 Class A1-70 18-9LW
#18-9LW

Description

USA SAE F 880M (2002), F 880 Class A1-50 18-9LW Specialsteel Standard Specification for Stainless Steel Socket Set Screws (Metric) and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: F 880 Class A1-50 18-9LW
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel F 880 Class A1-50 18-9LW Precipitation-Hardening SAE USA Standard Specification for Stainless Steel Socket Set Screws (Metric)

Chemical composition(mass fraction)(wt.%) of the F 880 Class A1-50 18-9LW

C Si Mn P S Ni Cr Al Cu Ti Fe V Mo
≤0.10 ≤0.65 ≤ ≥ ≤ ≥ ≤ ≥ 8.00 -10.00 17.00 -19.00 ≤ ≥ 3.00 -4.00 ≤ ≥ ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade F 880 Class A1-50 18-9LW

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
466 (≥) 721 (≥) 14 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade F 880 Class A1-50 18-9LW

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.24 -  
982 363 - 23.3 212   -  
223 - 32 13.2   323 242

Heat Treatment of steel grade F 880 Class A1-50 18-9LW

Heat treated : 1749°C - 1483°C

Technological Curves of steel grade F 880 Class A1-50 18-9LW

Cross Reference Table (Equivalent Grade) of F 880 Class A1-50 18-9LW

Grade Standard Country Application
18-9LW

Relevant standard of F 880 Class A1-50 18-9LW

F 880M (2002) Standard Specification for Stainless Steel Socket Set Screws (Metric) F-880M-(2002).pdf
F 594 18-9LW F 880 Class A1-70 18-9LW
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Jiangyou Longhai Special Steel Co.,Ltd.

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