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How to Weld a Stainless Steel 45° Elbow: Installation Guide

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How to Weld a Stainless Steel 45° Elbow: Installation Guide

Brand Name : YUHAO

Model Number : Butt Weld Pipe Fittings

Certification : ASTM, AISI, GB, DIN, JIS

Place of Origin : China

MOQ : 100kgs

Price : Negotiation

Payment Terms : L/C,D/A,D/P,T/T,Western Union,MoneyGram

Supply Ability : 2000tons/per month

Delivery Time : 15days

Packaging Details : Standard sea worth bundles,Standard Plywood cases

Wall Thickness : Sch5-SCH160

Standard : ASTM, AISI, GB, DIN, JIS

Surface Finish : Polished, Brushed, Matte, Sandblasted

Material : 304, 304l, 316, 316, 321, 347h, 310s, s31803, 2205, etc.

Pipe Fitting Type : Concentric reducer

Connection Type : Butt Welded

Application : Oil, Gas, Chemical, Petrochemical, Power, Industrial Piping, Medical Equipment, Shipbuilding

Diameter Range : DN15-DN900

Corrosion Resistance : High Corrosion Resistance

Size : 1/2" up to 110"

Package : Wooden box or Pallet or carton

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How to Weld a Stainless Steel 45° Elbow: Installation Guide
Product Specifications
Attribute Value
Wall Thickness Sch5-SCH160
Standard ASTM, AISI, GB, DIN, JIS
Surface Finish Polished, Brushed, Matte, Sandblasted
Material 304, 304l, 316, 316, 321, 347h, 310s, s31803, 2205, etc.
Pipe Fitting Type Concentric reducer
Connection Type Butt Welded
Application Oil, Gas, Chemical, Petrochemical, Power, Industrial Piping, Medical Equipment, Shipbuilding
Diameter Range DN15-DN900
Brand Name Yuhao
Corrosion Resistance High Corrosion Resistance
Place of Origin China
Size 1/2" up to 110"
End Bevel end ANSI B16.25
Package Wooden box or Pallet or carton
Proper installation is key to ensuring the longevity and integrity of your piping system. Incorrect welding can compromise the corrosion resistance of stainless steel. Follow these best practices for a successful installation.
​​Critical Steps for a Quality Weld:​​
  1. ​​Preparation:​​ Bevel pipe ends to the correct angle (37.5°). Meticulously clean all surfaces with a dedicated stainless steel brush and solvent.
  2. ​​Alignment & Tack Welding:​​ Ensure perfect alignment and use tack welds to secure the fitting.
  3. ​​Welding Process (TIG Recommended):​​ Use the correct filler metal (ER308 for 304, ER316 for 316).
  4. ​​Gas Purging (Essential):​​ Use argon backing gas on the inside of the weld joint to prevent "sugaring" (oxidation), which destroys corrosion resistance.
  5. ​​Heat Control:​​ Use low heat input to minimize the heat-affected zone and prevent distortion.
  6. ​​Post-Weld Treatment:​​ Remove heat tint by pickling and passivation to restore the protective oxide layer.

How to Weld a Stainless Steel 45° Elbow: Installation Guide

How to Weld a Stainless Steel 45° Elbow: Installation Guide

How to Weld a Stainless Steel 45° Elbow: Installation Guide


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