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Forged Welding Neck Flange ASTM A105 For High Pressure

Welding neck flange can be designed by engineer as project requirement. We also supply welding neck flange meets ASTM, ANSI, EN, DIN, JIS, GOST, GB standard. Especially, ASTM A105 welding neck flange is one of the most popular products. ASTM A105 welding neck flange shall be made from forgings.

Description



Forged Welding neck flange ASTM A105 for high pressure

 

 

    ASTM A105 covers forged carbon steel piping components for ambient- and higher-temperature service in pressure systems. Included are flanges, fittings, valves, and similar parts ordered either to dimensions specified by the purchaser or to dimensional standards such as the Mss, ASME, and API. Welding neck flange will be introduced to visitors as follows.

 

1. ASTM A105 standard information

 

chemical composition,% by mass

C (MAX)

Mn

P (MAX)

S (MAX)

Si

Cu (MAX)

Ni (MAX)

Cr (MAX)

Mo (MAX)

V (MAX)

0.35

0.60-1.05

0.035

0.040

0.1-0.35

0.40

0.40

0.30

0.12

0.08

 

 

Mechanical Properties

Tensile Strength, min, ksi (Mpa)

70 (485)

Yield Strength, min, ksi (Mpa)

36 (250)

Elongation in 2 in or 50mm,min,%:
Basic minium elongation for walls 5/16 in(7.9mm)

                                            and over inthickness,strip tests

30

When standard round 2-in or 50mm gauge length or

smaller proportional sized specimen

with the gauge length equal to 4D is used

22

Reduction of area, min, %

30

Hardness, HBW, MAX

187

 

2. Welding neck flange/weld-neck flange

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3. Sample: ANSI B16.5 welding neck flange RF CLASS 300 Size


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4. Latest shipment for ASTM A105 welding neck flange DN200 300LBS

 

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