ASTM A249/ASME SA249 STAINLESS STEEL TUBE

ASTM A249/ASME SA249stainless 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

ASTM A249/ASME SA249 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 249 also has a certain toughness, but it is not ferromagnetic.

ASTM A249/ASME SA249 pipe stainlessis 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 TUBING 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 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

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