ASTM A312 310 Stainless Steel Pipe

ASTM A312 310 Stainless Steel Pipe is a seamless/welded stainless steel pipe produced in accordance with the ASTM A312 standard. 310, commonly referred to as 310S, also known as UNS S31008, has a lower carbon content and better resistance to intergranular corrosion, especially after welding or high-temperature use. Due to its excellent high-temperature oxidation resistance and good corrosion resistance, it is widely used in certain specific industrial fields, such as the petrochemical industry, thermal power plants, and the marine industry.
Outer Diameter: 5mm-420mm (customizable)
Wall Thickness: 0.5mm-55mm (customizable)
Length: Can be customized upon request
Steel Grade: 310/310s

Products Description

ASTM A312 310 Stainless Steel Pipe

Advantages of ASTM A312 310 Stainless Steel Pipe

High-Temperature Resistance: 310/310S stainless steel tubing offers excellent resistance to oxidation and scaling, ensuring long service life for furnace tubes, burners, and boiler components up to 1100°C.
Mechanical and Processing Properties: 310/310S boasts excellent creep resistance and mechanical strength at high temperatures, maintaining structural integrity under sustained high-pressure and high-temperature operation, making it suitable for superheater, heat exchanger, and reheater tubing.
Corrosion Resistance: The high chromium and nickel content in 310/310S stainless steel tubing enables the tubing to withstand corrosive gases and aggressive chemical environments. 310S minimizes carbide precipitation during welding, ensuring leak-free and durable process piping.

applications of ASTM A312 310 Stainless Steel Pipe

High-temperature furnaces: furnace tubes, burners, combustion chambers, and radiant tubes.
Petrochemical and refinery: process piping, reactors, and equipment exposed to hot gases, steam, and corrosive chemicals.
Marine and offshore: piping and structural components exposed to seawater corrosion and high temperatures.
Power generation: boiler tubes, reheater tubes, superheaters, and heat exchangers.

Chemical Composition

Grade	C (max)	Mn (max)	Si (max)	P (max)	S (max)	Cr (%)	Ni (%)	Mo (%)
310	0.25	2.00	1.50	0.045	0.030	24.0–26.0	19.0–22.0	–
310S	0.08	2.00	1.50	0.045	0.030	24.0–26.0	19.0–22.0	–

Mechanical Properties

Property	Tensile Strength (MPa)	Yield Strength (MPa)	Elongation (%)	Hardness (HRB)
310/310S	≥ 515	≥ 205	≥ 40	≤ 95

Possible Alternative Grades

309 / 309S: Slightly lower chromium and nickel than 310/310S, more economical option for moderate high-heat applications.
304 / 304L: For moderate corrosion resistance at lower temperatures.
316 / 316L: Excellent resistance to chlorides and marine environments.
446 (Ferritic): Exceptional oxidation and scaling resistance at very high temperatures.
Nickel Alloys(Inconel 600 / 601, Alloy 800H, etc.): For extreme high-temperature or aggressive chemical environments beyond the performance of 310/310S.