ASTM A312 SMO 254 Stainless Steel Seamless Pipes
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Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of astm a312 smo 254 stainless steel seamless pipes in China. If you're going to wholesale high quality astm a312 smo 254 stainless steel seamless pipes made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
SMO 254 Erw Tubes have a great influencing potential and ductility at ambient and sub-zero temperatures. 1.4547 Hollow Pipe produces a weld that has better corrosion resistant properties than its parent metal due to it being over alloyed. Alloy 254 High-Pressure Tubes are stronger than common austenitic grades and are easy to weld. Din 1.4547 Welded Tubes are considered to be a cost-effective substitute for the alloy with high nickel content and titanium. To attain maximum corrosion resistant properties Tubo Smo 254 requires post-processing annealing.
254 SMO Properties:
- Excellent resistance to pitting and crevice corrosion, PRE = ≥42.5%
- High resistance to general corrosion
- High resistance to stress corrosion cracking
- Higher strength than conventional austenitic stainless steels
- Good weldability
Chemical Composition of ASTM A312 SMO 254 Seamless Stainless Pipes
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| ≤0.020 | ≤0.80 | ≤1.00 | ≤0.030 | ≤0.010 | 20 | 18 | 6.1 | 0.20 | 0.7 |
Mechanical Properties of ASTM A312 SMO 254 Stainless Steel Seamless Pipes
| 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 |
ASTM A312 SMO 254 SS Seamless Pipes Physical Properties
| Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
| Thermal Conductivity | 14 | W.m -1.°K-1 |
| Thermal Expansion | 16.5 | mm/m/°C |
| Modulus Elasticity | 196 | GPa |
| Electrical Resistivity | 8.5 | μohm/cm |
| Density | 8.0 | g/cm3 |
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GNEE Steel Group is China's professional one-stop supply chain enterprise for steel products. Its stainless steel pipe production technology has reached the world's average technical level. It has been recognized by dozens of project companies and has become a star enterprise in Asia.
Over the last 30 years, we have been serving our clients, we have built a strong clientele across 32 countries and 15 industrial verticals, right from basic industries such a paper to highly demanding offshore services.
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