
SS 310S / 310H steel Pipe
310H is a stainless steel alloy also known as 310H stainless steel. It is a higher carbon version of 310 stainless steel.
Gnee Steel (Tianjin) Co., Ltd. is one of the most reliable manufacturers and suppliers of ss 310s / 310h steel pipe in China, also supports customized service with low price. Welcome to wholesale discount ss 310s / 310h steel pipe for sale here from our factory. Contact us for free sample.
SS 310S / 310H steel Pipe
SUS310H steel pipe is a high-temperature reinforced stainless steel with good high-temperature strength and oxidation resistance. It is commonly used in high-temperature stoves, heat exchangers and other fields. It is a stainless steel material with international standard grades 310H and UNS S31009.
During the processing, stainless steel pipe 310H needs to be annealed to eliminate processing stress, refine the grains and improve the plasticity of the material. In addition, SUS310H steel pipe has good brittle resistance, making it highly stable in situations where it needs to withstand large impact forces and deformations.
The chemical composition of 310H stainless steel pipe includes elements such as carbon, manganese, silicon, chromium, nickel, phosphorus and sulfur. Among them, the carbon content is limited, excluding the low end of the 310 range. This makes 310H the grade of choice for high temperature applications. This steel has good oxidation resistance at intermittent service temperatures up to 1040°C (1904°F) and continuous service temperatures up to 1150°C (2102°F). Widely used in environments where sulfur dioxide gas exists at high temperatures. However, continuous use of this steel in the 425-860°C (797-1580°F) range is not recommended due to carbide precipitation.
Product Properties
Chemical composition of grade 310/310S/310H stainless steel pipes
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 - 26.00 | 0.10 max | 19.00 - 21.00 | 54.7 min |
| SS 310H | 0.04 – 0.10 | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 - 26.00 | - | 19.00 - 21.00 | 53.885 min |
Mechanical properties of SS 310/310S/310H stainless steel pipes
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
SS 310S / 310H steel Pipe

The outer diameter of hot-rolled seamless pipe is generally greater than 32mm, and the wall thickness is 2.5-75mm. The outer diameter of cold-rolled seamless steel pipe can reach 6mm and the wall thickness can reach 0.25mm. The outer diameter of thin-walled tubes can reach 5mm and the wall thickness is less than 0.25mm. Cold rolling has higher dimensional accuracy than hot rolling.

FAQ
Q.Will you deliver on time?
A.Yes, we are committed to providing the best quality products and delivering them on time.
Q.Can we visit your factory?
A.Warmly welcome. Once we get your schedule, we will arrange a professional sales team to follow up with you.
Q.Can we warranty our products?
A.Yes, we offer 100% satisfaction guarantee on all our products. If you are not satisfied with our quality or service, please give us immediate feedback.
Q.What is the difference between 310S and 314?
A.314 stainless steel is an austenitic, heat resistant grade that is very similar to type 310S. The difference is that 314 has a higher level of silicon.
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