Hygienic tube for latex-contact lines

Stainless Steel Sanitary Tube

Sanitary welded-tube cargo is commonly specified for wetted, latex-contact and CIP process lines. Quotation review should confirm the applicable sanitary standard, grade, bore finish, surface-roughness requirement, tolerances and inspection documents.

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Tube

Cargo group

304 / 304L / 316L

Reference grades

ASTM

Primary standard

Standards

ASTMA270 (sanitary)
JISG3447 (sanitary)
EN10357, DIN 11850 (on request)

Dimensions

Outside diameter: Ø 6 - 219 mm
Wall thickness: 0.4 - 6.0 mm
Bore finish: Ra ≤ 0.8 / 0.4 µm (polished)

Finishes and applications

180 grit240 grit320 gritElectropolished (on request)

Latex-contact & fluid transfer piping
Hygienic CIP process lines
Food & pharmaceutical equipment

Grades and properties

These values are references for quotation review. Actual heat values should be checked against the applicable mill test certificate.

304 / SUS304

ASTM 304 (S30400) / JIS SUS304 / EN 1.4301

Austenitic

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

Minimum mechanical properties

Tensile strength: ≥ 515 MPa (75 ksi)
Yield strength (0.2%): ≥ 205 MPa (30 ksi)
Elongation: ≥ 40%
Hardness: ≤ 201 HB / 92 HRB

Annealed minimums based on ASTM A240 plate and sheet requirements. Tube standards such as A554 may differ; confirm the governing product standard and applicable mill test certificate.

304L / SUS304L

ASTM 304L (S30403) / JIS SUS304L / EN 1.4307

Austenitic

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

Minimum mechanical properties

Tensile strength: ≥ 485 MPa (70 ksi)
Yield strength (0.2%): ≥ 170 MPa (25 ksi)
Elongation: ≥ 40%
Hardness: ≤ 201 HB / 92 HRB

Annealed minimums based on ASTM A240 plate and sheet requirements. Tube standards such as A554 may differ; confirm the governing product standard and applicable mill test certificate.

316L / SUS316L

ASTM 316L (S31603) / JIS SUS316L / EN 1.4404

Austenitic

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

Minimum mechanical properties

Tensile strength: ≥ 485 MPa (70 ksi)
Yield strength (0.2%): ≥ 170 MPa (25 ksi)
Elongation: ≥ 40%
Hardness: ≤ 217 HB / 95 HRB

Annealed minimums based on ASTM A240 plate and sheet requirements. Tube standards such as A554 may differ; confirm the governing product standard and applicable mill test certificate.

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