ASTM A312 TP310S Stainless Steel Coil Seamless Pipe

​​ASTM A312 TP310S stainless steel coil seamless pipe is a high-performance, low-carbon austenitic stainless steel tubing solution, specifically engineered for exceptional resistance to oxidation, carburization, and sulfidation in high-temperature environments up to 1040°C (1900°F).​​

ASTM A312 TP310S seamless coil pipe is manufactured using precision seamless processes. The TP310S seamless coil pipe design enables continuous, defect-free pipe sections with uniform wall thickness, eliminating weld seams to maximize pressure containment reliability and minimize potential failure points.​​

​​The TP310S stainless steel seamless pipe has a minimum tensile strength of 515 MPa and elongation ≥35%, delivering excellent mechanical properties that can withstand thermal stresses and mechanical loads in demanding applications. It is widely used in the petrochemical, refining, power generation, and high-temperature process industries.​​

​​Our ASTM A312 TP310S stainless steel coil pipe features precise dimensional tolerances (outer diameter ±0.10mm, wall thickness ±10%), a smooth surface (with optional pickled or bright annealed surface finishes), and is delivered in coil or straight lengths to meet different operational requirements.​

Chemical Composition of ASTM A312 TP310S Stainless Steel coils Pipes

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
310	min. max.	- 0.25	- 2.00	- 1.50	- 0.045	- 0.030	24.0 26.0	-	19.0 22.0	-
310S	min. max.	- 0.08	- 2.00	- 1.50	- 0.045	- 0.030	24.0 26.0	-	19.0 22.0	-

 

Mechanical Properties of ASTM A312 310S Seamless Pipes

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

 

ASTM A312 TP310S Stainless Steel Seamless Pipes Physical Properties

Grade	Density (kg/m3)	Elastic Modulus (GPa)	Mean Coefficient of Thermal Expansion(μm/m/°C)			Thermal Conductivity(W/m.K)		Specific Heat 0-100°C (J/kg.K)	Electrical Resistivity (nΩ.m)
			0-100°C	0-315°C	0-538°C	at 100°C	at 500°C
310 / 310S	7750	200	15.9	16.2	17.0	14.2	18.7	500	720

 

grade Specification Comparison for ASTM A312 TP310S Stainless Steel Seamless Pipes

Grade	UNS No	Old British		Euronorm		Swedish SS	Japanese JIS
		BS	En	No	Name
310	S31000	310S24	-	1.4840	X15CrNi25-20	-	SUH 310
310S	S31008	310S16	-	1.4845	X8CrNi25-21	2361	SUS 310S

 

Application.

1. Petrochemical & Refining Industry

Furnace Tubes

Transfer Lines

2. Power Generation

Boiler Superheaters

High-Temperature Steam Lines

3. Heat Treatment & Industrial Furnaces

Radiant Tubes

Roller Rails and Belts

4. Chemical Process Industries
High-Temperature Reactor Coils

High-Purity Transfer Lines

 

SS 310S Price price list 

Product	Price
310S Sanitary Seamless Stainless Steel Tube	$1.60 - $2.35/ Kilogram
High quality 310S welded stainless 34mm steel pipe	$1,820.00 - $2,190.00/ Ton
Decorative 310s 6 inch welded polished stainless steel pipe	$1,460.00 - $2,390.00/ Ton
AISI 310S Round Seamless Stainless Steel Pipe	$2.18 - $5.40/ Kilogram

 

Packaging & Delivery

Secure Packaging: Each coil is carefully wrapped in protective plastic and kraft paper, with options for wooden crates or pallets.

Fast Delivery: Ready stock ensures short lead times to support urgent project requirements.

Quality Assurance: All tubing undergoes strict quality checks for dimensional accuracy, surface finish, and material integrity.