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Stainless Steel Pipes
 
Stainless Steel Pipes
SEJIN TUBE TECH has grown to be one of the leading manufacturer and supplier for the welded Stainless Tubes such as ASTM A249, ASME SA249, Stainless Steel Pipes, Heat Exchanger Tubes, Light Gauge Stainless Steel Pipes, Stainless Steel Sanitary Tubing and Stainless Steel Seamless Tube
Stainless Steel Pipes
Dimension
- Specification : KS D 3576, JIS G 3459, ASTM A 312
- Usage : Corrosion and thermal resisting, pipes used in textile, pulp industry.
(Unit : mm)
Nominal Size Out Diameter Normal Wall Thickness (SCH)
5S 10S 20S 40S 80S
A B KS ASTM KS ASTM KS ASTM KS KS ASTM KS ASTM
8 1/4 13.8 13.72 1.2 - 1.65 1.65 2.0 2.2 2.24 - -
10 3/8 17.3 17.15 1.2 - 1.65 1.65 2.0 2.3 2.31 - -
15 1/2 21.7 21.34 1.65 1.65 2.1 2.11 2.5 2.8 2.77 3.7 3.73
20 3/4 27.2 26.67 1.65 1.65 2.1 2.11 2.5 2.9 2.87 3.9 3.91
25 1 34.0 33.40 1.65 1.65 2.8 2.77 3.0 3.4 3.38 4.5 4.55
32 1 1/4 42.7 42.16 1.65 1.65 2.8 2.77 3.0 3.6 3.56 4.9 4.85
40 1 1/2 48.6 48.26 1.65 1.65 2.8 2.77 3.0 3.7 3.68 5.1 5.08
50 2 60.5 60.33 1.65 1.65 2.8 2.77 3.5 3.9 3.91 5.5 5.54
65 2 1/2 76.3 73.03 2.1 2.11 3.0 3.05 3.5 5.2 5.16 - -
80 3 89.1 88.9 2.1 2.11 3.0 3.05 4.0 5.5 5.49 - -
90 3 1/2 101.6 101.6 2.1 2.11 3.0 3.05 4.0 5.7 5.74 - -
100 4 114.3 114.3 2.1 2.11 3.0 3.05 4.0 6.0 6.02 - -
 
Tolerance
Division \ Specification KS D3576 ASTM A312
Tolerance Out
Diameter
D < 30 ±0.3 10.29 ≤ D ≤ 48.26 +0.4
-0.8
L ≥ 30 ±1% 48.26 < D ≤ 114.3 ±0.8
114.3 < D ≤ 219.08 +1.6
-0.8
219.08 < D ≤ 406.4 +2.4
-0.8
Wall
Thickness
t < 2 ±0.2 All size All size over - 12.5%
t ≥ 2 ±10%
Length Longer than the specified length All size +6.4
-0
Straightness Shall be practically straight Shall be pratically straight
 
 
 
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