ASTM A213 TP304L Stainless Steel Boiler Tube

 

ASTM A213 TP304L is a standard specification for seamless austenitic stainless steel tubes used in boilers, superheaters, and heat exchangers.
ASTM A213 TP304L tubes supplied by GNEE are manufactured from low-carbon austenitic stainless steel, produced using high-quality nickel-chromium alloys and processed through solution annealing to improve resistance to sensitization. ASME SA213 304L seamless tubes are specifically designed for reliable performance in high-temperature environments. They are manufactured through an extrusion process in which heated billets are forced through a forming die to achieve precise dimensions and a uniform structure.

 

ASME SA213 304L boiler tubes deliver excellent oxidation resistance and carburization resistance at elevated temperatures ranging from 800°C to 1100°C. With a high surface finish and smooth inner wall, the tubes ensure low fluid flow resistance and superior heat transfer efficiency. These properties make TP304L particularly suitable for high-temperature, high-pressure boilers, superheater sections, steam pipelines, and other critical thermal system components.

 

ASTM A213 TP 304L Stainless Steel Tubes Specifications

Specifications	ASTM A/ASME SA213/A249/A269
Dimensions	ASTM, ASME and API
SS 304L Tubes Size	1/8″NB TO 30″NB IN
Thickness	0.35mm to 6.35mm OD in thickness ranging from 0.1mm to 1.2mm.
Schedule	SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type	Seamless / ERW / Welded / Fabricated / LSAW Tubes
Form	Round, Square, Rectangular, Hydraulic Etc
Length	Single Random, Double Random & Cut Length.
End	Plain End, Beveled End, Treaded

 

ASTM A213 TP 304L Stainless Steel Tubes Mechanical Properties

Material	Tensile Stress (MPa) min	Yield Stress 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
AISI 304L	485	170	40	92	201

 

ATM A213 TP 304L Stainless Steel Tubes Chemical Composition

Type		C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 304L	minimum	-	-	-	-	-	18	-	8	-
	maximum	0.03	2	0.75	0.045	0.03	20		12	0.1

 

Equivalent Grade

SS Grade	UNS No	Old British		EN / Euronorm		Swedish SS	Japanese JIS	GOST
		BS	En	No	Name
304L	S30403	304S31	58E	1.4306 / 1.4307	X5CrNi18-10	2332	SUS 304L	03Х18Н11

 

ASTM A213  TP304L Stainless Steel Pipes Tolerances

Diameter Tolerance ASTM A213 TP304L Tube

NPS	ASTM A213 TP304L Tube OD Tolerance
	+		–
	inch	mm	inch	mm
1/8~1 1 /2	1/64(0.015)	0.4	1/32(0.031)	0.8
> 1 1 /2~4	1/32(0.031)	0.8	1/32(0.031)	0.8
> 4~8	1/16(0.062)	1.6	1/32(0.031)	0.8
> 8~18	3/32(0.093)	2.4	1/32(0.031)	0.8
> 18~26	1/8(0.125)	3.2	1/32(0.031)	0.8
> 26~34	5/32(0.156)	4	1/32(0.031)	0.8
> 34~48	3/16(0.187)	4.8	1/32(0.031)	0.8

 

Wall Thickness Tolerance ASTM A213 TP304L Tubes

NPS	ASTM A213 TP304L Tube Tolerance, %
	+	–
1/8-2 1 /2	20	12.5
3~18, t/D≤ 5%	22.5	12.5
3~18, t/D> 5%	15	12.5
≥ 20, seamless	17.5	12.5
≥ 20, seamless, t/D≤ 5%	22.5	12.5
≥ 20, seamless, t/D> 5%	15	12.5

 

Price Of Stainless Steel 304L Tube

---

Price of Stainless Steel 304L tube manufacturer	Stainless Steel 304L tube Price in UK Pound sterling
Stainless Steel Seamless Tubes Asme Sa -213 / Tp 304 L	3.55 UK Pound sterling
Stainless Steel Seamless Tubes/Pipes (Cold Finished) Grade - 304L	3.55 UK Pound sterling

Please note that this is an approximate price for GNEE 304L stainless steel pipes. Please feel free to contact us for a free quote and the latest price list for 304L stainless steel pipes. You can also compare our prices with those of other 304L stainless steel pipe suppliers. Email: info@gneestainless.com

 

Packaging and Marking: Packaging shall be in bundles or laminated wooden crates, wrapped in plastic, and appropriate protective measures shall be taken to ensure seaworthiness for transport or as required.

Marking shall comply with the provisions of A1016/A1016M specifications and shall include whether the pipes are hot-worked or cold-worked, including but not limited to: standard, grade, size, furnace number, and batch number.