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Sus304 Sus321 Hollow High Pressure Stainless Steel Rectangular Pipe AISI JIS

Categories Stainless Steel Rectangular Pipe
Place of Origin: Guangdong, China
Brand Name: Yuhua
Certification: ISO
MOQ: Negotiable
Price: Negotiable
Standard: JIS, AiSi
Type: Welded
Steel Grade: 304,321
Application: handrail
Welding Line Type: Spiral Welded
Tolerance: ±1%
Length: 6M
Width and height: 18*24mm
Thickness: 1mm
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Sus304 Sus321 Hollow High Pressure Stainless Steel Rectangular Pipe AISI JIS


Sus304 Sus321 Hollow High Pressure Stainless Steel Rectangular Pipe AISI JIS


How to Remove Scratches from Stainless Steel


Deeper scratches, meet your match: Sandpaper. A piece of wet fine-grit sandpaper can be used to remove deeper scratches. Make sure to always keep it wet, and follow up with a rubbing compound.

Start with the scratch and then blend it in. Determine the direction of the grain and start sanding in one direction only, following the brushed pattern. Don’t sand back and forth and NEVER sand against the grain. If you need to use a courser-grit paper to remove deeper scratches, follow up with a finer grit, and then finally a rubbing compound.

The sanding technique only works on plain (uncoated) stainless steel panels: Don’t try it on simulated stainless steel or stainless panels with a fingerprint-resistant clear coat.


Clean and Polish


After removing scratches and unwanted marks, you can then clean and polish your stainless-steel appliance. With a clean microfiber cloth, wipe down the newly sanded surface. This will remove sanding and metal dust, as well as leftover polishing compound or water. Even when you're cleaning, it’s also important to rub and buff in the direction of the grain.

For best results, spray the surface of the metal with several sprays of vinegar, and then pull out another clean microfiber cloth to wipe the metal. The vinegar will clean the surface and remove all traces of other compounds and cleaners.


Stainless Steel Rectangular Pipe Specification


NameSus304 Sus321 Hollow High Pressure Stainless Steel Rectangular Pipe AISI JIS
Items304/321L Stainless Steel
StandardASTM A554
Material Grade304: Ni 8%, Cr 18%

Width

18mm
Height24mm
Thickness1mm
Length6m, or as customers' request
Tolerancea) Width,Height: +/- 0.2mm
b) Thickness: +/- 0.03mm
c) Length: +/- 5mm
Surfaceannealing,pickling
sandblasting
Applicationindustry,exhausting,welding,furniture,window
TestSquash test, extended test, water pressure test,heat treatment, NDT

Elemental comparison of the different materials


Chemical Composition of MaterialMaterial201316L304
C≤0.15≤0.035≤0.08
Si≤1.00≤1.00≤1.00
Mn5.5-7.52≤2.00
P≤0.06≤0.045≤0.045
S≤0.03≤0.03≤0.03
Cr16-1816-1818-20
Ni3.5-5.510-148-11
Mechanical PropertyMaterial Item201202
Tensile Strength≥535≥520
Yield Strength≥245≥205
Extension≥30%≥30%
Hardness (HV)<253<253

Quality Sus304 Sus321 Hollow  High Pressure Stainless Steel Rectangular Pipe AISI JIS for sale
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