ASTM A249/ASME SA249 STAINLESS STEEL TUBE

a249 stainless steel tube

astm a249 tubing/ a249 tubing

astm a249 pdf

astm a249 tp304 specification

ASTM A249stainless steel tube covers nominal wall thicknesses welded and heavily cold-worked welded pipes made of the following materials

Various grades of austenitic steel for boilers, superheaters, heat exchangers, or condenser pipes.

ASTM A249/ASME SA249 STAINLESS STEEL TUBE PROVIDED BY YUHONG

ASME SA249/ASTM A249 Stainless Steel Tube

YUHONG GROUP provides the best ASTM A249/ASME SA249 Stainless steel tubes including welded austenitic alloy steel boiler tube, superheater and heat exchanger tube, and U bending tube.

TP304/TP304L Stainless Steel Tube

TP316/TP316L Stainless Steel Tube

ASTM A249 TUBING FEATURES

ASTM A249/ASME SA249 stainless steel tube has good plasticity, low strength, and hardness. At the same time, ASTM A 249also has a certain toughness, but it is not ferromagnetic.

ASTM A249/ASME SA249 stainless steel tube is not only resistant to oxidative acid medium corrosion, but also resistant to sulfuric acid, phosphoric acid, formic acid, acetic acid, urea, etc. if it contains Mo, Cu, and other elements. If the carbon content of ASME SA249/ASTM A249 tubing is less than 0.03% or contains Ti and Ni, the resistance of this SS steel tube to intergranular corrosion can be significantly improved.

ASME SA249/ ASTM A249 TP304 SPECIFICATIONS

ASTM A249 Standard	ASTM A249/ASME SA249
Tube Type	Welded Tube
Finishes	Annealing Pickling, Bright Annealing
Outside Diameter	6 Up To 304.8 Mm
Thickness
Application	Heat Exchanger System

GRADES OF SPECIFICATION ASTM A249/SA 249

Grade	Specification
Stainless 304/304L, 304/304H	ASTM A249/SA249
Stainless 309S	ASTM A249/SA249
Stainless 310S	ASTM A249/SA249
Stainless 316/316L, 316/316H	ASTM A249/SA249
Stainless 317/317L	ASTM A249/SA249
Stainless 321/321H	ASTM A249/SA249
Stainless 347/347H	ASTM A249/SA249

ASME SA249/ ASTM A 249 TUBING CHEMICAL COMPOSITION

Grade	UNS	Composition, %
	Design	C	Mn	P	S	Si	Cr	Ni	Mb	Ti	Nb	N	Cu	Ce	B	Al
TP304	S30400		2			1			. . .	. . .	. . .	. . .	. . .	. . .
TP304L	S30403		2			1			. . .	. . .	. . .	. . .	. . .	. . .
TP304H	S30409		2			1			. . .	. . .	. . .	. . .	. . .	. . .
TP310S	S31008		2			1				. . .	. . .	. . .	. . .	. . .
TP310H	S31009		2			1			. . .	. . .	. . .	. . .		. . .
TP310H	S31035								. . .	. . .				. . .
TP316	S31600		2			1				. . .	. . .	. . .	. . .	. . .
TP316L	S31603		2			1				. . .	. . .	. . .	. . .	. . .
TP316H	S31609		2			1				. . .	. . .	. . .	. . .	. . .
TP317	S31700		2			1				. . .	. . .	. . .	. . .	. . .
TP317L	S31703		2			1				. . .	. . .	. . .	. . .	. . .
TP321	S32100		2			1			. . .	Ti 5 × (C+N) min, 0.70 max	. . .		. . .	. . .
TP321H	S32109		2			1			. . .	4(C+N) min; 0.70 max	. . .		. . .	. . .
TP321H	S32654									. . .	. . .			. . .
TP321H	S33228		1						. . .	. . .		. . .	. . .
TP321H	S34565					1				. . .			. . .	. . .
TP347	S34700		2			1			. . .	. . .	See Spec	. . .	. . .	. . .
TP347H	S34709		2			1			. . .	. . .	See Spec	. . .	. . .	. . .
TP348	S34800		2			1				. . .	. . .	. . .	. . .	. . .	. . .	Co 0.20, Ta 0.10
TP348H	S34809		2			1			. . .	. . .	. . .	. . .	. . .	. . .	. . .	Co 0.20, Ta 0.10

ASME SA249/ ASTM A 249 TUBING SIZE TOLERANCE

	OD		WTH	L
ASTM A249	＜25.4mm	±0.10mm	±10.00%	OD＜50.8mm +3.0mm -0mm
	≥25.4mm-38.1mm	±0.15mm
	≥38.1mm-50.8mm	±0.20mm
	≥50.8mm-63.5mm	±0.25mm
	≥63.5mm-76.2mm	±0.30mm		OD≥50.8mm +5.0 -0mm
	≥76.2mm-101.6mm	±0.38mm
	≥101.6mm-190.5mm	+0.38mm -0.64mm
	≥190.5mm-228.6mm	+0.38mm -1.14mm

WHAT IS ASME ASTM SA 249 STAINLESS STEEL TUBE?

ASME ASTM SA 249 stainless steel tubes are used in a variety of applications, including boiler, superheater, heat exchanger, and condenser systems. These a249 stainless steel tubes are manufactured through a welding process and are typically made from austenitic stainless steel, although other stainless steel grades may also be used.

The astm a249 tp304 specification outlines the requirements for the manufacturing, dimensions, mechanical properties, and testing of these welded stainless steel tubes. It provides guidelines for various aspects, including tube dimensions, tolerances, chemical composition, mechanical properties, and nondestructive testing methods.

The stainless steel tubes produced under the ASME ASTM SA 249 standard are designed to withstand high temperatures, corrosion, and pressure in demanding industrial environments. ASME sa249 are known for their excellent corrosion resistance, strength, and durability, making them suitable for applications where reliability and longevity are essential.

Common stainless steel grades used in ASME ASTM SA 249 tubes include 304, 304L, 316, 316L, 317, and 321. These grades offer varying levels of corrosion resistance, mechanical properties, and heat resistance, allowing for the selection of the most appropriate grade based on the specific application requirements.

Overall, ASME ASTM SA 249 stainless steel tubes meet stringent industry standards, ensuring that they are manufactured to the specified dimensions, quality, and performance criteria. These ASTM a249 tubings play a critical role in various industrial sectors, providing efficient and reliable solutions for heat exchanger tube manufacturers and fluid transportation systems.

ASTM A249 VS A269 STAINLESS STEEL TUBE

Applications: ASTM A249 tubes are primarily intended for general corrosion-resisting and low- or high-temperature service, including heat exchangers, condenser tubes, and other applications. ASTM A269 tubes, on the other hand, are specifically designed for general service applications requiring high corrosion resistance and mechanical properties.

Manufacturing Process: ASTM a249 tubingis produced through the welding process, while a269 tubing can be either welded or seamless. Seamless ss pipes and tubesare typically preferred for high-pressure or critical applications.

Dimensional Tolerances: ASTM a249 tubinghas more lenient dimensional tolerances compared to ASTM A269. A269 tubes have tighter tolerances for outside diameter, wall thickness, and length, ensuring greater precision and consistency.

Surface Finish: ASTM A269 specifies stricter requirements for the surface finish of tubes, particularly for applications where cleanliness and smoothness are important, such as in the pharmaceutical and food processing industries.

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