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ASTM A213 TP310S / 1.4845 / S31008 Stainless Steel Seamless Tube Heat Exchanger Tube

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ASTM A213 TP310S / 1.4845 / S31008 Stainless Steel Seamless Tube Heat Exchanger Tube

Brand Name	YUHONG
Model Number	ASTM A213 TP310S Stainless Steel Seamless Tube
Certification	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin	CHINA
Minimum Order Quantity	500kgs
Payment Terms	L/C,T/T
Delivery Time	7 DAYS
Packaging Details	Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Product Name	Heat Exchanger Tube
Standard	ASTM A213, ASME SA213
Material	TP310S / 1.4845 / UNS S31008
OD	1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1.1/4", etc.
Thickness	BWG10-25
Length	Single Random, Double Random & Cut Length
End	Plain End, Beveled End
High Light	ASTM A213 TP310S Stainless Steel Seamless Tube, Steel Heat Exchanger Tube

Detailed Product Description

ASME SA213/ASTM A213 TP310S / UNS S31008 Stainless Steel Seamless Heat Exchanger Tube

ASTM A213 TP310S is the correct choice for a heat exchanger tube operating in continuous high temperatures (800°C – 1100°C) in oxidizing, carburizing, or mildly sulfidizing environments. It offers excellent oxidation resistance but limited creep strength above 900°C. Do not use it for aqueous chloride service or below 550°C if long-term embrittlement is a concern.

Choose TP310S when:

Operating temperature exceeds 850°C (1560°F) continuously.
Environment contains carbon (carburization, metal dusting risk).
Sulfur-bearing hot flue gas (sulfidation).
Polythionic acid SCC is a concern (refinery/Claus service).
High-temperature hydrogen service above 450°C.
You need oxidation resistance to 1150°C with good weldability.

Chemical Composition % of ASTM A213 TP310S Stainless Steel Seamless Tube Heat Exchanger Tube

Grade	UNS	C	Mn	P	S	Si	Ni	Cr
TP310S	S31008	0.08max	2max	0.045max	0.03max	1.0max	19.0–22.0	24.0-26.0

Mechanical properties of ASTM A213 TP310S Stainless Steel Seamless Tube Heat Exchanger Tube

Grade	Tensile Strength (MPa) min	Yield Stress 0.2% Proof (MPa) min	Elong (% in 50mm) min	Hardness
				Rockwell B (HR B) max
310S	515	205	35	90

Physical Properties of ASTM A213 TP310S Stainless Steel Seamless Tube Heat Exchanger Tube

UNS

SPEC

Density Specific Gravity kg/dm³

Modulus of Elasticity (x106 psi)

Mean Coefficient of Thermal Expansion

(IN./IN./°F x 10-6)

Thermal Conductivity
(BTU-in/ft2-h-°F)

310S

S31008

A213/A312

7.98

29.0

9.2

116

Surface Finish Options

Finish	Code	Description	Best for
Pickled (AP)	AP	Acid bath removes scale; dull gray matte	General heat exchanger service
Bright annealed (BA)	BA	Annealed in controlled atmosphere (H₂); shiny, oxide-free	Clean service, food/pharma, low fouling
Polished	MP	Mechanically polished to Ra ≤ 0.4 µm	High-purity or aesthetic
As-drawn	No finish	No removal of drawing lubricant or oxide	Not recommended – requires cleaning

Recommendation for heat exchangers: Bright annealed (BA) gives the cleanest surface, best corrosion resistance, and no pickling residue.

Application

Syngas coolers in hydrogen reformers
Transfer line exchangers (TLE) in ethylene cracking
High-pressure superheaters / reheaters in HRSG
Tail gas reheaters in Claus sulfur recovery units
Gas/gas heat exchangers in nitric acid plants
Quench coolers in carbon black production
Suspension preheater ducts & heat exchangers in cement/lime kilns
Quench coolers in industrial incinerators / thermal oxidizers
Molten salt coolers in maleic anhydride reactors
High-temperature hydrogen reheaters in refineries

Product Tags: ASTM A213 TP310S stainless steel tube 1.4845 heat exchanger tube S31008 seamless steel tube

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