A312 TP304h stainless Pipe
A312 TP304H refers to a specific grade of stainless steel pipe that conforms to the A312 (ASTM A312) standard. This standard covers seamless, welded, and heavily cold worked austenitic stainless steel pipes intended for high-temperature and general corrosive service.
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of a312 tp304h stainless pipe in China, also supports customized service with low price. Welcome to wholesale discount a312 tp304h stainless pipe for sale here from our factory. Contact us for free sample.
A312 TP304h stainless Pipe
304H is an austenitic alloy mainly composed of chromium, nickel and carbon. This alloy has excellent corrosion resistance and high temperature properties, with a minimum yield strength of 205 MPa, which means it retains its shape and structure even when subjected to high stresses. The minimum tensile strength is 515 MPa, which means it has a strong ability to resist tensile deformation. It can easily expand up to 40% as needed, which makes it highly flexible when it comes to withstanding stress and deformation. It has good high temperature resistance and can withstand high temperatures from 500°C to 800°C.
According to ASTM A312 TP standard, 304H seamless pipe shows a high degree of corrosion resistance in various corrosive environments. These tubes are made of titanium and are very strong and durable. ASME SA 312 304H steel pipe is manufactured by longitudinal welding with or without weld seams. The tubes are available in outer diameters ranging from 6.35 mm to 114.3 mm, thicknesses ranging from 0.8 mm to 12.7 mm, and lengths up to 26 meters.
304H stainless steel pipe is an extremely strong, flexible and corrosion-resistant pipe suitable for a variety of applications that need to withstand high temperatures and corrosive environments.
Product Properties
Stainlesss Steel 304H Pipes & Tubes Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | AFNOR | BS | GOST | EN |
| SS 304H | 1.4301 | S30409 | – | – | – | – | – |
TP 304H Stainless Steel Pipes & Tubes Chemical Composition :
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||
Physical properties :
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 304H | 8000 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 | 500 | 720 |
A312 TP304h stainless Pipe
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FAQ
Q.Can you provide samples?
A. Yes, you can. Free samples are available for regular sizes, but buyers need to pay the free fee.
Q.What is your lead time?
A.We have enough stock every day, so for regular sizes, we only need about 7 days stock. If you if you want to order special size, we need new product production time.
Q.What is the difference between TP304 and TP304L?
A.Type 304 and 304L have very similar chemical and mechanical properties. The only difference between them is the carbon content; the 304 stainless steel has a maximum range of carbon of 0.08% whereas the 304L has a maximum range of 0.03%.
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