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Stainless steel heat exchanger welded pipes | ||||||||
Material Grade | 201,202,304,316,316L,430,409L,430,410,420J1,420J2 | |||||||
Main Material | a) 201 (Ni0.8%-1%) b) 202 (Ni: 3.0%-4.0%) c) 304 (Ni: 8% Cr: 18%) d) 316 (Ni: 10% Cr: 18%) | |||||||
Size Range | 139mm-1600mm ETC. | |||||||
Thickness | 0.5-30mm | |||||||
Length | 6m or as customers' request | |||||||
Tolerance | a) Outer Diameter: +/- 0.2mm | |||||||
b) Thickness: +/- 0.02mm | ||||||||
c) Length: +/- 5mm | ||||||||
Surface | 180G, 320G Satin/Hairline 400G, 600G Mirror finish | |||||||
Application | handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc | |||||||
Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||||
Tensile Strength | ≥535 | ≥520 | ≥520 | |||||
Yield Strength | ≥245 | ≥205 | ≥205 | |||||
Extension | ≥30% | ≥30% | ≥35% | |||||
Hardness (HV) | <105 | <100 | <90 |