304 stainless steel seamless pipe A 270 Standard Specification for
Seamless Austenitic Stainless Steel Sanitary Tubing
Standard Specification for
Seamless and Welded Austenitic Stainless Steel Sanitary
Tubing ,This stsued under the fixed desigandard is isnation A 270;
the number immediately following the designation indicates the year
of
original adoption or, in the case of revision, the year of last
revision. A number in parentheses indicates the year of last
reapproval. A
superscript epsilon (e) indicates an editorial change since the
last revision or reapproval.
It is manufactured from the finest quality stainless steel
materials made exclusively to the
Zheheng Steel melt criteria and formed by the zheheng Steel
Micro-Weld™ process to
assure weld seam integrity and industry leading ID and OD finishes
to the low Ra values demanded by
zheheng 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.
APPLICATION:
Our products are widely applicable in Biological engineering
industry, food industry, pharmaceutical industry, purified water
industry, electronic engineering industry, engineering chemical
industry, papermaking industry, beer industry, highly-purified
gases industry, cosmetics industry.
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% |
We have made continuous efforts to reduce the problem throughout
total quality assurance system including traceability control,
zheheng steel not only inspect by ourself , also through TPI like
BV, SGS, DNV, ABS, MOODY, IBR, so that today the quality of our
productsis clearly recognized by our client.Zheheng steel controls
the entire manufacturing process from raw material to finished
products, Inspection points are localed in the manufacturing
process to ensure all products meet all requirements. In such
quality control system, faults are detected at the earliest
possible stage of the production process in order to eliminate the
risk of rejection at final inspection.
