Welded tube for process piping
Stainless Steel Round Tube
Welded round tube spanning structural, ornamental and process duties, from machine framework to fluid transfer lines in processing equipment.
Tube
cargo group
201 / 304 / 304L
core grades
ASTM
lead standard
Standards
- ASTMA554, A249, A269, A270 (sanitary)
- JISG3446, G3447 (sanitary), G3459 (pipe)
- EN10217-7, 10357 (on request)
Dimensions
- Outside diameter
- Ø 6 - 219 mm
- Wall thickness
- 0.4 - 6.0 mm
- Length
- up to 6 m, cut to size
Finish and uses
Mill2BBASatin (HL)Mirror (No.8)
- Process & transfer piping
- Machine framework & rollers
- Heat-exchange and condenser tubing
Grades and properties
Values are standard references for quotation review. The actual heat values are confirmed by the mill test certificate.
304 / SUS304
ASTM 304 (S30400) / JIS SUS304 / EN 1.4301
Composition, wt %
C≤ 0.08
Cr18.0-20.0
Ni8.0-10.5
Mn≤ 2.0
Si≤ 0.75
P≤ 0.045
S≤ 0.030
N≤ 0.10
Mechanical minimums
- Tensile strength
- ≥ 515 MPa (75 ksi)
- Yield strength (0.2%)
- ≥ 205 MPa (30 ksi)
- Elongation
- ≥ 40%
- Hardness
- ≤ 201 HB / 92 HRB
304L / SUS304L
ASTM 304L (S30403) / JIS SUS304L / EN 1.4307
Composition, wt %
C≤ 0.030
Cr18.0-20.0
Ni8.0-12.0
Mn≤ 2.0
Si≤ 0.75
P≤ 0.045
S≤ 0.030
N≤ 0.10
Mechanical minimums
- Tensile strength
- ≥ 485 MPa (70 ksi)
- Yield strength (0.2%)
- ≥ 170 MPa (25 ksi)
- Elongation
- ≥ 40%
- Hardness
- ≤ 201 HB / 92 HRB
316 / SUS316
ASTM 316 (S31600) / JIS SUS316 / EN 1.4401
Composition, wt %
C≤ 0.08
Cr16.0-18.0
Ni10.0-14.0
Mo2.0-3.0
Mn≤ 2.0
Si≤ 0.75
P≤ 0.045
S≤ 0.030
Mechanical minimums
- Tensile strength
- ≥ 515 MPa (75 ksi)
- Yield strength (0.2%)
- ≥ 205 MPa (30 ksi)
- Elongation
- ≥ 40%
- Hardness
- ≤ 217 HB / 95 HRB
316L / SUS316L
ASTM 316L (S31603) / JIS SUS316L / EN 1.4404
Composition, wt %
C≤ 0.030
Cr16.0-18.0
Ni10.0-14.0
Mo2.0-3.0
Mn≤ 2.0
Si≤ 0.75
P≤ 0.045
S≤ 0.030
Mechanical minimums
- Tensile strength
- ≥ 485 MPa (70 ksi)
- Yield strength (0.2%)
- ≥ 170 MPa (25 ksi)
- Elongation
- ≥ 40%
- Hardness
- ≤ 217 HB / 95 HRB
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