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Duplex S31803 Slip On Flanges

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Recently, our company has supplied a batch of duplex slip on flanges for a client in Saudi Arabia. The material is ASTM A182 F51/S31803. Size: 2″~6″.

ASTM A182 F51/S31803 slip on flange.

Chemical Composition&Mechanical Properties

Chemical composition for ASTM A182 F51 flange, %
Carbon0-0.03
Chromium21.00-23.00
Manganese≤2.00
Silicon≤1.00
Phosphorous0-0.03
Sulfur0-0.02
Nickel4.50-6.50
Nitrogen0.08-0.20
Molybdenum2.50-3.50
IronBalance
Tensile Strength,min.Yield Strength,min.Elongation,min.Hardness Brinell, max
MpaMpa%HB
62045025290
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    Hebei Metals Industrial Limited
    (Shijiazhuang Metalsin Pipeline Tech Co., Ltd)
    No. 176, Zhonghua South Street, Shijiazhuang, China.
    Tel: +86-311-89642206
    Fax:+86-311-67906676
    Web: www.metalspiping.com
    Email: sales@metalspiping.com