DIN 11850 Hygienic Tube

Hygienic DIN11850 Stainless steel Tube

DIN11850 Series 1,SIZE- OD- Wall Thickness
DN10(12*1.0MM);±0.12 for OD,±10% for thickness
DN15(18*1.0MM);±0.12 for OD,±10% for thickness
DN20(22*1.0MM);±0.12 for OD,±10% for thickness
DN25(28*1.0MM);±0.15 for OD,±10% for thickness
DN32(34*1.0MM);±0.15 for OD,±10% for thickness
DN40(40*1.0MM);±0.20 for OD,±10% for thickness
DN50(52*1.0MM);±0.20 for OD,±10% for thickness
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DIN11850 Series 2,SIZE- OD- Wall Thickness
DN10(13*1.5MM);±0.3 for OD,±10% for thickness
DN15(19*1.5MM);±0.3 for OD,±10% for thickness
DN20(23*1.5MM);±0.3 for OD,±10% for thickness
DN25(29*1.5MM);±0.3 for OD,±10% for thickness
DN32(35*1.5MM);±0.3 for OD,±10% for thickness
DN40(41*1.5MM);±0.3 for OD,±10% for thickness
DN50(53*1.5MM);±0.3 for OD,±10% for thickness
DN65(70*2.0MM);±0.3 for OD,±10% for thickness
DN80(85*2.0MM);±0.3 for OD,±10% for thickness
DN100(104*2.0MM);±0.3 for OD,±10% for thickness
DN125(129*2.0MM);±0.4 for OD,±10% for thickness
DN150(154*2.0MM);±0.4 for OD,±10% for thickness
DN200(204*2.0MM);±0.4 for OD,±10% for thickness
DN250(254*2.0MM);±0.4 for OD,±10% for thickness
DN300(304*2.0MM);±0.4 for OD,±10% for thickness

Standard: DIN11850 Series 1, DIN11850 Series 2
roughness average (Ra) of < 0.8 - 1.6 μ.
Material: 304, 304L, 316, 316L
OD: 12.9~2000mm
Welding method: TIG or TIG + Plasma
Tolerance According to the Standard , +/-10% Commonly ;
Surface Treatment 180#, 320#, 400# Satin / Hairline, Bright Anneal, Pickle,400#, 500#, 600# or 800# Mirror finish
Heat Treatment: 1040°C Water Quenching
Marking: LOGO , A 270, Grade, OD WT Length, Heat number, Surface finish.
Inspection items: Chemical Composition; Size; Reverse Flattening Test; Hydrostatic Test or Eddy current test; Surface quality; etc.