Standard:	ASTM, AiSi, DIN, EN, GB, JIS	Material:	300 Series
Type:	Welded	Application:	Tube Heat Exchanger, Boiler
Tolerance:	±10%	Grade:	304,304L,316,316L Stainless Steel, 304 316 304L 316L
Thinkness:	0.8-3.0 Mm	Technique:	Cold Rolled Or Hot Rolled
Certification:	ISO	Model Number:	ASTM A249, A269
Welding Line Type:	Efw	Processing Service:	Bending, Welding, Cutting, Moulding
Outer Diameter:	15.88-120 Mm	Shape Sections:	Round, Square, Rectangular
Highlight:	Astm welded 304 stainless steel tubing , tp316 8mm od stainless steel tubing , 8mm od stainless steel tubing

A789 / A789M Permissible Variations in Dimensions
Group	Size, Outside Diameter, in. [mm]	Permissible Variations in Outside Diameter, in. [mm]	Average Wall Permissible Variations in Wall Thickness, %	Minimum Wall Permissible Variations in Wall Thickness, %		Permissible Variations in Cut Length,in. [mm]		Thin Walled Tubes
Group	Size, Outside Diameter, in. [mm]	Permissible Variations in Outside Diameter, in. [mm]	Average Wall Permissible Variations in Wall Thickness, %	Over	Under	Over	Under	Thin Walled Tubes
1	up to 1/2 [12.7], excl	± 0.005 [0.13]	± 15	30	0	1/8 [3]	0	...
2	1/2 to 1 1/2 [12.7 to 38.1], excl	± 0.005 [0.13]	± 10	20	0	1/8 [3]	0	less than 0.065 in. [1.6 mm] specified
3	1 1/2 to 3 1/2 [38.1 to 88.9], excl	± 0.010 [0.25]	± 10	20	0	3/16 [5]	0	less than 0.095 in. [2.4 mm] specified
4	3 1/2 to 5 1/2 [88.9 to 139.7], excl	± 0.015 [0.38]	± 10	20	0	3/16 [5]	0	less than 0.150 in. [3.8 mm] specified
5	5 1/2 to 8 [139.7 to 203.2], incl	± 0.030 [0.76]	± 10	20	0	3/16 [5]	0	less than 0.150 in. [3.8 mm] specified

	HG 20537.2				ASTM A249 (A1016)		GB / T 24593
Outside Diameter (mm)	Ⅰ		Ⅱ		< 25.4	± 0.10	≤ 25	± 0.10
	<25	± 0.10	>10~30	± 0.20	≥25.4~<38.1	± 0.15	>25~40	± 0.15
	≥25~38	± 0.15	>30~50	± 0.30	≥38.1~<50.8	± 0.20	>40~50	± 0.20
	>35~51	± 0.20	>50	± 0.8%	≥50.8~<63.5	± 0.25	>50~65	± 0.25
	>51~63	± 0.25			>63.5~<76.2	± 0.31	>65~75	± 0.30
	>63~76	± 0.30					>75~100	± 0.38
Thickness (mm)	± 10%S				± 10%S		± 10%S
Length (mm)	+5 -0				D<50.8	+3 -0	+5 -0
					D ≥ 50.8	+5 -0
Stainless Steel Mechanical Properties
Grade		Tensile Strength		Yide Strength		Elogation	Hardness	Soluction Annealing
		kgf/mm²(N/mm²)		kgf/mm²(N/mm²)		%	HRB(HV)	℃
ASTM	TP 304	≥53 (515)		≥21 (205)		≥35	≤90 (200)	1040℃-1150℃ Water Quenching
	TP 304L	≥50 (485)		≥17 (170)
	TP 316	≥53 (515)		≥21 (205)
	TP 316l	≥50 (485)		≥17 (170)
JIS	SUS 304	≥53 (520)		≥21 (205)				1010℃-1150℃ Water Quenching
	SUS 304L	≥49 (480)		≥18 (175)
	SUS 316	≥53 (520)		≥21 (205)
	SUS 316L	≥49 (480)		≥18 (175)
GB	06Cr19Ni10	≥53 (520)		≥21 (205)				1010℃-1150℃ Water Quenching
	022Cr19Ni10	≥49 (480)		≥18 (180)
	06Cr17Ni12Mo2	≥53 (520)		≥21 (205)
	022Cr17Ni12Mo2	≥49 (480)		≥18 (180)
EN	1.4301	(500-700)		≥20 (195)		≥40		1000℃-1100℃ Water Quenching
	1.4307	(470-670)		≥18 (180)
	1.4401	(510-710)		≥21 (205)				1020℃-1120℃ Water Quenching
	1.4404	(490-690)		≥19 (195)

Astm A249 Tp316 304 8mm Od Stainless Steel Tubing Welded Round

Astm welded 304 stainless steel tubing