Seamless Tubing ASTM A269 TP304L Polished

Detailed Product Description

OEM / Custom Stainless Steel Sanitary Tubing ASTM A269 TP304 / 304L TP316 / 316L

Yuhong Group`s sanitary tubing exceeds ASTM A269 specifications and most user

specifications. It is manufactured from the finest quality stainless steel materials made exclusively to the

Yuhong Group melt criteria and formed by the Yuhong Group Micro-Weld™ process to

assure weld seam integrity and industry leading ID and OD finishes to the low Ra values demanded by

Yuhong Group`s customers. Yuhong Group leads the industry in manufacturing the

highest quality welded sanitary tubing, backed with technical expertise, advanced manufacturing and

polishing capabilities and unmatched service before and after the sale. All standard sanitary tubing sizes

are available in 1/2" (12.7 mm) to 8" (203.2 mm) OD in stock 20' (6.1 m) lengths.

Chemical Composition:

Elements	304L(wt%)	316L (wt%)
(C) Carbon, max	0.035	0.035
(Mn) Manganese, max	2.00	2.00
(P) Phosphorus, max	0.040	0.040
(S) Sulfur, max	0.030	0.030
(Si) Silicon, max	0.75	0.75
(Ni) Nickel	8.0 - 13.0	10.0 - 15.0
(Cr) Chromium	18.0 - 20.0	16.0 - 18.0
(Mo) Molybdenum	N/A	2.0 - 3.0
(Fe) Iron	Bal.	Bal.
(Cu) Copper	N/A	N/A
(N) Nitrogen	N/A	N/A

Dimensional Tolerences
all dimensions in inches (mm)

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%

To ensure the highest surface quality in all of our sanitary tubing,Yuhong Group goes beyond

the requirements of ASTM A269 and A270 by performing the full battery of ASTM bend and deformation

tests required by ASME SA249 as well as additional deformation tests developed by Yuhong Group The tests, combined with specific raw material requirements, Eddy Current testing at the tube mill,

and tighter OD and wall tolerances allow Yuhong Group to provide a more consistent superior

quality product.Hydrogen bright annealed in line to 1900°F (1040°C) minimum and rapidly

quenched.Surface finish is 20 μ-in Ra (0.5 μm) ID maximum, 30 μ-in Ra (0.8 μm) OD maximum surface

roughness measured per ASME/ ANSI B46.1 with the profilometer reading at 90 degrees to major polishing

pattern.

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