Welded hollow section for machine frames
Stainless Steel Square Tube
Welded square hollow section for machine frames, structural supports and guarding in latex and rubber processing lines. Straight, uniform welds and clean corners.

Tube
cargo group
201 / 304 / 304L
core grades
ASTM
lead standard
Standards
- ASTMA554 (ornamental/structural), A500
- JISG3446 (structural)
- EN10296-2 (on request)
Dimensions
- Section
- 10×10 - 100×100 mm
- Wall thickness
- 0.5 - 3.0 mm
- Length
- up to 6 m, cut to size
Finish and uses
Mill2BSatin (HL)Mirror (No.8)
- Machine frames & structural supports
- Equipment guarding & handrails
- Conveyor and dip-line framework
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
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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