Name: ASTM A249 TP304 BA Stainless Steel Welded Tube , Boiler and Heat Exchanger Tube
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A249 TP304 Stainless Steel Welded Tube
Price: negotiable USD
Availability: InStock

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Home Products Stainless Steel Welded Tube

ASTM A249 TP304 BA Stainless Steel Welded Tube , Boiler and Heat Exchanger Tube

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:	ASTM A249 TP304 Stainless Steel Welded Tube

Payment & Shipping Terms:

Minimum Order Quantity:	500kgs
Packaging Details:	Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time:	7 DAYS
Payment Terms:	L/C, T/T

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Detailed Product Description

Product Name:	Stainless Steel Welded Tube	Standard:	ASTM A249 / ASME SA249
Material Grade:	TP304, TP304L , TP304H, TP309, TP310S, TP310H, TP316, TP316L, TP316Ti，TP316H, TP317, TP317L, TP321, TP321H, TP347, TP347H, TP904L	Size:	6.35mm (1/4"), 9.52mm (3/8"), 12.7mm(1/2"), 15.88mm (5/8"), 19.05mm(3/4"), 25.4mm (1"), 31.75mm(1-1/4"), 38.1mm (1-1/2"), 44.45mm(1-3/4"), 50.8mm(2"), 63.5mm(2-1/2"), 76.2mm(3"), 101.6mm (4")
Length:	Single Random, Double Random & Cut Length	Tube End:	Plain End, Beveled End
Surface:	Bright Annealed (BA), Pickled And Annlealed , Polished	Form:	Straight & U Bend & Coil
Application:	Boiler, Super Heater, Heat Exchanger And Condenser
Highlight:	Boiler Tubes Welded Stainless Steel Tube , ASTM A249 Welded Stainless Steel Tube , Superheater Tubes Welded Stainless Steel Tube

ASTM A249 TP304 Bright Annealed Stainless Steel Welded Tube Heat Exchanger Tube

ASTM A249 is a standard specification for welded austenitic stainless steel such as TP304/ 304L/ 316L ... tubing intended for use in boilers, heat exchangers, and similar applications. The tubing is produced by a welding process, usually using a continuous welding method. This results in a smooth interior surface, which is important for flow characteristics in heat equipments. ASTM A249 includes specific testing requirements to ensure the integrity of the tubing. This can include hydrostatic testing, eddy current testing, and non-destructive testing methods to check for leaks and other defects.

ASTM A249 TP304 Stainless Steel Welded Tube Equivalent Grades

JIS	ASTM	UNS	ISO	DIN EN/DIN	W-Nr.	EN	GOST	BS EN/BS
SUS 304	304	S30400	X5CrNi 18-10	X5CrNi 18-10 (X5CrNi 18-9)	1.4301	X5CrNi 18-10	08Х18Н10	304S15

ASTM A249 TP304 Stainless Steel Welded Tube Chemical Composition

Grade	C	Si	Mn	Cr	Ni	S	P	Fe
TP304	0,08	1,0	2	18 – 20	8 – 11	0,03	0,045	Bal.

ASTM A249 TP304 Stainless Steel Welded Tube Mechanical Properties

Heat treatment/ condition	Tensile Strength Mpa	Yield Point σ_s Mpa	Elongation δ %	HBW
Solutioning Temperature 1040℃	≥515	≥205	≥35	HRB ≤90

Dimensional Tolerences

Size OD	Nominal Wall	Outside Diameter	Length	Wall
1/2" (12.7)	0.065" (1.65)/0.049" (1.25)	+/-0.005 (0.13)	+1/8" (3.18) - 0	+/-10.0%
3/4" (19.1)	0.065" (1.65)/0.049" (1.25)	+/-0.005 (0.13)	+1/8" (3.18) - 0	+/-10.0%
1" (25.4)	0.065" (1.65)/0.049" (1.25)	+/-0.005 (0.13)	+1/8" (3.18) - 0	+/-10.0%
1-1/2" (38.1)	0.065" (1.65)/0.049" (1.25)	+/-0.008" (0.20)	+1/8" (3.18) - 0	+/-10.0%
2" (50.8)	0.065" (1.65)/0.049" (1.25)	+/-0.008" (0.20)	+1/8" (3.18) - 0	+/-10.0%
2-1/2" (63.5)	0.065" (1.65)	+/-0.010" (0.25)	+1/8" (3.18) - 0	+/-10.0%
3" (76.2)	0.065" (1.65)	+/-0.010" (0.25)	+1/8" (3.18) - 0	+/-10.0%
4" (101.6)	0.083" (2.11)	+/-0.015" (0.38)	+1/8" (3.18) - 0	+/-10.0%
6" (152.4)	0.083" (2.11)	+/-0.030" (0.76)	+1" (25.4) - 0	+/-10.0%
6" (152.4)	0.109" (2.77)	+/-0.030" (0.76)	+1" (25.4) - 0	+/-10.0%
8" (203.2)	0.109" (2.77)	+0.061" (1.55)/-0.031" (0.79)	+1" (25.4) - 0	+/-10.0%

Why Choose ASTM A249 TP304 stainless steel welded tube instead of ASTM A213 TP304 stainless steel seamless tube?

1. Cost-Effectiveness

Welded Tubes: Generally, welded tubes are more cost-effective to manufacture than seamless tubes. This can significantly reduce material costs, especially for larger projects.
Seamless Tubes: Manufacturing seamless tubes tends to be more expensive due to the processes involved, which can drive up overall project costs.

2. Availability and Lead Time

Welded Tubes: Typically have shorter lead times and are often available in a wider range of sizes and specifications.
Seamless Tubes: May have longer lead times and more limited availability, depending on specific dimensions and requirements.

3. Mechanical Properties

Seamless Tubes: Often exhibit superior mechanical properties due to the absence of a weld seam, which can be advantageous in high-pressure applications.
Welded Tubes: While generally strong, they may have slightly reduced mechanical performance at the weld area. Modern welding techniques can mitigate this issue, maintaining strength close to that of seamless tubing.

4. Pressure and Temperature Ratings

Seamless tubes might be preferred in high-pressure applications or extreme temperature conditions, where the integrity of the material is paramount.
Welded tubes can still perform well under many conditions but may be less suitable for certain critical high-stress applications.

Applications

Heat Exchangers/superheater: Particularly used in heat exchangers due to its ability to resist oxidation and corrosion at elevated temperatures.
Boiler
Chemical Processing: Suitable for handling a wide range of chemicals.
Food and Beverage Industry: Common in applications where hygiene and corrosion resistance are essential.
Pharmaceuticals: Used in systems needing a clean and sterile environment.

ASTM A249 TP304 BA Stainless Steel Welded Tube , Boiler and Heat Exchanger Tube 0