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Shijiazhuang Duwa Piping Co.,Ltd.
Country: China
ASTM A105N WN Flanges, 12IN, CLASS150, SCH 40
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Name: ASTM A105N WN Flanges, 12IN, CLASS150, SCH 40
Type: WN Flange.
Material: ASTM A105N.
Size: 12 Inch.
Pressure: CLASS150.
Standard: ANSI B16.5.
Ends: RF.
ASTM A105N Flange Chemical Composition:
Grade C Mn P S Si Cu Ni Cr Mo V
A105 - 0.60 - - 0.10 - - -
0.35 1.05 0.035 0.040 0.35 0.40 0.40 0.30 0.12 0.08
ASTM A105N Flange Mechanical Properties:
Grade Condition Tensile Strength min (MPa) Yield Strength min (MPa) Elongation
(L = 4d%) Reduction of Area %
min Brinell Hardness max
A105 - 485 250 22 30 187
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ASTM A105N Flange Heat Treatment:
Heat treatment is not mandatory requirement except:
1) Flanges above Class 300
2) Flanges of special design where the design pressure at the design temperature exceeds the rating of Class 300.
3) Flanges of special design where the design pressure or design temperature are not known.
Heat treatment, when required shall be annealing, normalizing OR normalizing and tempering OR quenching and tempering.
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