| Stainless steel pipes for piping
– Application : General construction (residential, non-residential) / petrochemical / textile industry / paper / SOC (environmental-related fields, etc.) / Automotive parts / food and beverage manufacturing facilities / shipbuilding / machinery / power generation facilities, etc.
– Specification : KS D 3576 / JIS G 3459 / ASTM A 312
– Material : STS 304 / STS 316 and more.
[ Pipe dimensions ] | Unit(mm) |
Designation Diameter | Outer Diameter | Designation Thickness SCH | ||||||||||
5S | 10S | 20S | 40 | 80 | ||||||||
A | B | KS(JIS) | ASTM | KS(JIS) | ASTM | KS(JIS) | ASTM | KS(JIS) | KS(JIS) | ASTM | KS(JIS) | ASTM |
6 | 1/8 | 10.5 | 10.29 | 1.0 | – | 1.2 | 1.24 | 1.5 | 1.7 | 1.73 | 2.4 | 2.41 |
8 | 1/4 | 13.8 | 13.72 | 1.2 | – | 1.65 | 1.65 | 2.0 | 2.2 | 2.24 | 3.0 | 3.02 |
10 | 3/8 | 17.3 | 17.15 | 1.2 | – | 1.65 | 1.65 | 2.0 | 2.3 | 2.31 | 3.2 | 3.20 |
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 | 7.0 | 7.01 |
80 | 3 | 89.1 | 88.90 | 2.1 | 2.11 | 3.0 | 3.05 | 4.0 | 5.5 | 5.49 | 7.6 | 7.62 |
90 | 3 1/2 | 101.6 | 101.60 | 2.1 | 2.11 | 3.0 | 3.05 | 4.0 | 5.7 | 5.74 | 8.1 | 8.08 |
100 | 4 | 114.3 | 114.30 | 2.1 | 2.11 | 3.0 | 3.05 | 4.0 | 6.0 | 6.02 | 8.6 | 8.56 |
125 | 5 | 139.8 | 141.30 | 2.8 | 2.77 | 3.4 | 3.40 | 5.0 | 6.6 | 6.55 | 9.5 | 9.52 |
150 | 6 | 165.2 | 168.28 | 2.8 | 2.77 | 3.4 | 3.40 | 5.0 | 7.1 | 7.11 | 11.0 | 10.97 |
200 | 8 | 216.3 | 219.08 | 2.8 | 2.77 | 4.0 | 3.76 | 6.5 | 8.2 | 8.18 | 12.7 | 12.70 |
250 | 10 | 267.4 | 273.05 | 3.4 | 3.40 | 4.0 | 4.19 | 6.5 | 9.3 | 9.27 | 15.1 | 12.70 |
300 | 12 | 318.5 | 323.85 | 4.0 | 3.96 | 4.5 | 4.57 | 6.5 | 10.3 | 9.52 | 17.4 | 12.70 |
350 | 14 | 355.6 | 355.6 | – | 3.96 | – | 4.78 | – | 11.1 | – | 19.0 | – |
400 | 16 | 406.4 | 406.4 | – | 4.19 | – | 4.78 | – | 12.7 | – | 21.4 | – |
[ Permissible Tolerance ] | Unit(mm) |
KS D 3576 (JIS G 3459) | ASTM A 312 | ||||
Tensile strength | O.D. | D < 30 ± 0.3 | 10.29 ≤ D ≤ 48.26 | + 0.40 -0.80 | |
48.26< D ≤ 114.3 | ± 0.80 | ||||
D ≥ 30 | ± 1% | 114.3 < D ≤ 219.08 | + 1.6 -0.80 | ||
219.08< D ≤457.2 | + 2.40 – 0.80 | ||||
Thickness | t < 2 | ± 0.2 | All dimensions | – 12.5% | |
t ≥ 2 | ± 10% | ||||
Length | Above specified length | All dimensions | + 6 0 | ||
Straightness | Must be straight for practical use | Must be straight for practical use |