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Forged steel fittings named by their manufacturing processes forging, which to heat the carbon or alloy steel in a transforming temperature and modes the heated parts into the desired shape. Then use machining process to make a forged steel fittings.
Forged pipe fittings is in high quality which with higher strength and could bear high pressure. To this fittings you should pay attention to have a uniform wall thickness since they have to be through threading process or machined to socket weld end.
The types of pipe fittings ( differentiated by grade and specification) included in this standard is shown as below:
Including socket weld fittings and threaded fittings size in NPS inch. For example the 45 and 90 degree elbow, its size range is 1/2" to 4", and the classes of the product are ranging in 3000, 6000 and 9000 lbs.
ASTM A105 Chemical Composition
C | Mn | P | S | Si | Cr |
---|---|---|---|---|---|
0.15 max | 0.6-1.05 | 0.035 | 0.04 | 0.1 min | 0.3 |
Tensile Strength | Yield Strength | Elongation |
---|---|---|
480 (Mpa) | 245 (Mpa) | 30 (%) |