Yuhong Holding Group Co.,LTD
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| 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 A270 TP304 / 304L TP316 / 316L |
| Minimum Order Quantity: | 100 KGS |
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| Price: | negotiable |
| Packaging Details: | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Delivery Time: | 15 DAYS |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 1500 KGS PER MONTH |
| Type: | Welded/SEAMLESS | Standard: | A270 , DIN11850 , 3A |
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| Material: | TP304, TP304L, TP316L | Brand: | YUHONG |
| MOQ: | 100 KGS | Origin: | CHINA |
| High Light: | seamless stainless steel tube,stainless steel seamless pipes |
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OEM / Custom Stainless Steel Sanitary Tubing ASTM A270 TP304 / 304L TP316 / 316L
Yuhong Special Steel’s sanitary tubing exceeds ASTM A270 S2 and 3A specifications and most user
specifications. It is manufactured from the finest quality stainless steel materials made exclusively to the
Yuhong Special Steel melt criteria and formed by theYuhong Special Steel Micro-Weld™ process to
assure weld seam integrity and industry leading ID and OD finishes to the low Ra values demanded by
Yuhong Special Steel’s customers. Yuhong Special Steel 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 Special Steel 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 Special
Steel The tests, combined with specific raw material requirements, Eddy Current testing at the tube mill,
and tighter OD and wall tolerances allow Yuhong Special Steel 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.Yuhong Special Steel’s polishing techniques result in surface finishes that lead the industry.
All tubing is printed with size, gauge, alloy, ASTM and ASME specifications, heat number and date of
manufacturing for full traceability.As a final step in maintaining purity standards, Yuhong Special Steel’s
A270 S2 tubing is packaged using protective 2 mil poly sleeving along with air tight plastic end caps. The
tubing is then placed in triple wall boxes for maximum protection during shipment. Other packaging is
available on request.
Contact Person: Aaron Guo
Tel: 008618658525939
Fax: 0086-574-88017980
