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ASTM A312 TP310S Stainless Steel Pipe UNS S31008 Seamless Pipe 1.4845 Steel Pipe

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ASTM A312 TP310S Stainless Steel Pipe UNS S31008 Seamless Pipe 1.4845 Steel Pipe

Place of Origin : CHINA

MOQ : 1000KGS

Delivery Time : 7 DAYS

Length : Single Random, Double Random & Cut Length.

Type : Seamless

Brand Name : YUHONG

Standard : ASTM A312 / ASME SA312

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Packaging Details : Ply-wooden Case/ Bundle with plastic Cap

End : Plain End, Beveled End

Payment Terms : L/C,T/T

Model Number : ASTM A312 TP310S Stainless Steel Seamless Pipe

Product Name : Stainless Steel Seamless Pipe

Material : TP310S / 1.4845 / UNS S31008

High Light : ASTM A312 TP310S Stainless Steel Seamless Pipe, UNS S31008 Seamless Pipe

Wall Thickness : Schedule 5S to Schedule XXS

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ASTM A312 TP310S / UNS S31008 / 1.4845 Stainless Steel Seamless Pipe

 

 

Yuhong Group has rich experience in supplying stainless steel pipes, covering 300series grades. ASTM A312 TP310S is a seamless austenitic stainless steel pipe with 24–26% chromium and 19–22% nickel. Its low carbon content (≤0.08%) improves weldability. Designed for extreme high-temperature service up to 1150°C (2100°F), it excels in oxidizing environments, resisting scaling, carburization, and thermal fatigue. Common uses include furnace parts, petrochemical cracking tubes, and power generation superheaters. Compared to 304/316 grades, it offers far better oxidation resistance but is not suited for ambient chlorides or reducing atmospheres. Seamless construction ensures strength and reliability. Welding is straightforward with matching filler, and post-weld heat treatment is typically unnecessary.

 

 

ASTM A312 TP310S Stainless Steel Seamless Pipe Equivalent Grades

AISI UNS EN WERKSTOFF NR. JIS
310S S31008 X8CrNi25-21 1.4845 SUS310S

 

 

ASTM A312 TP310S/UNS S31008 Seamless Pipe Chemical Composition %

Grade C Ni Si N S Mn P Cr Mo
SS 310S min. - 19.0 - - - - - 24.0 -
max. 0.08 22.0 1.50 - 0.030 2.00 0.045 26.0
 
 

ASTM A312 TP310S Stainless Steel Seamless Pipe Mechanical Properties

Grade Tensile Strength (MPa) min Elongation (% in 50mm) min Yield Strength 0.2% Proof (MPa) min Rockwell B (HR B) max Hardness
Rockwell B (HR B) max Brinell (HB) max
SS 310S 515 40 205 95 95 217
 
 

Key Comparisons to other stainless steels

  • vs. TP304/304H (1.4301/1.4948): TP310S has significantly higher oxidation resistance and high-temperature strength. Use TP310S above 800°C (1472°F) in oxidizing conditions.

  • vs. TP316/316H (1.4401/1.4919): TP316 is superior for aqueous corrosion (chlorides, acids). TP310S is far superior for dry, hot oxidizing gases. Do not use TP310S for high-pressure chloride service at ambient temperatures.

  • vs. TP309S (1.4833): TP309 has 23% Cr, 12% Ni. TP310S has even more Cr and Ni, giving it about 50°C (90°F) higher scaling resistance.

 

 

Applications

 

Because it is a seamless, high-alloy pipe, it is used in critical, demanding environments:

  • Furnace & Heat Treatment: Radiant tubes, burner nozzles, furnace muffles, conveyor belts, retorts.

  • Petrochemical: Cracking tubes in ethylene/ammonia production, reformers, and transfer lines.

  • Power Generation: Superheater tubing (where temperatures are extreme), boiler baffles.

  • Mineral Processing: Kiln components, refractory anchors.

  • Glass Manufacturing: Lehrs and handling equipment.

 

 

ASTM A312 TP310S Stainless Steel Pipe UNS S31008 Seamless Pipe 1.4845 Steel Pipe

 

 

 

Product Tags:

ASTM A312 TP310S stainless steel pipe

      

UNS S31008 seamless steel pipe

      

1.4845 stainless steel seamless pipe

      
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