What is ASTM A182 F44 Pipe Fittings?
ASTM A182 F44 is a forging material specification for 44 grade stainless steel and is used for manufacturing bare forgings or forged and machined products for applications involving high temperature service.
ASTM A182 F44 socket welding pipe fittings are an important accessory for high-pressure pipeline connections. They are mainly formed by die-forging blanks of round steel or steel ingots, and then machined and formed by lathes.
ASTM A182 F44 pipe fittings are in the form of socket weld connections (SW) and are made of alloy steel and belong to grade F44 in the ASTM A182 standard.
F44 grade is a chromium-molybdenum alloy steel with good high-temperature performance and corrosion resistance. It is suitable for pipe connections in harsh environments such as high temperature, high pressure, and strong corrosion.
ASTM A182 F44 Socket Weld Fittings Chemical Composition and Mechanical Properties
| Element | Content (%) |
| Iron, Fe | 55.69 |
| Chromium, Cr | 20 |
| Nickel, Ni | 18 |
| Molybdenum, Mo | 6.1 |
| Nitrogen, N | 0.20 |
| Carbon, C | 0.010 |
The Mechanical Properties of ASTM A182 F44 Socket Weld Fittings is outlined in the following table
| Properties | Metric | Imperial |
| Tensile strength | 680 MPa | 98600 psi |
| Yield strength | 300 MPa | 43500 psi |
| Modulus of elasticity | 195 GPa | 28300 ksi |
| Shear modulus | 75 GPa | 10900 ksi |
| Poisson's ratio | 0.30 | 0.30 |
| Elongation at break | 50 % | 50 % |
| Hardness, Brinell | 210 | 210 |
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