Why do stainless steel pipe crack when they are flared?
1. The chemical composition of raw material, causes itself to be hard and not so soft, such as high carbon content. It is recommended to use low carbon materials such as 304L, 316L, 409L, etc.
2. The weld seam of the pipe is not penetrated and the strength is insufficient. Hensun strictly control the quality during production to ensure that the weld seam is 100% full penetration and without leakage.
3. The hardening that occurs during processing can lead to a reduction in the plasticity of the stainless steel and the creation of residual stresses, which can lead to cracking. In this case, re-annealing can be performed.
The stainless steel tube for stainless fuel line, stainless steel exhaust pipe, stainless steel press fitting, stainless steel mechanical tube, stainless steel sanitary tube, beer keg spear, stainless steel furniture tube, etc., often need to be flared, and a flare test can be performed to check whether there are cracks and other defects in the flared mouth to determine whether it is qualified or not.
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janice@hensun-inox.com
http://www.hensun-inox.com
FOSHAN HENSUN PIPE INDUSTRY CO., LIMITED is a leading professional consulting stainless steel pipe suppliers from China.
★We are a National High-Tech Enterprise,
★passed ISO9001, ISO14001, OHSAS18001 Management System Certification, TS certification for special equipment (pressure piping components).
★strictly abide by the standards of GB, ASTM, JIS, DIN, EN etc.
★with 3 plans annual output 20,000 tons industrial pipes & 6 million fittings,
★cooperating with many fortune 500 companies like BMW, Panasonic, Wilmar, Budweiser, LG, Sinopec, Hilton, etc.
Our main products include:
| Stainless Steel Water Pipe & Pressfitting Fittings |
| Industrial/Oil&Gas Stainless Steel Pipe & Fittings |
| Stainless Steel Heat Exchanger Tube/Stainless Steel Boiler Pipe/Condenser Tube/Stainless Steel Coil Tube |
| Automotive Tube/Precision Stainless Steel Tube/Engine Pipe/Exhaust Pipe |
| Stainless Steel Sanitary Tube/Food Grade/Dairy/Beer/Medical Tubes |
| Mechanical/Construction/Ornamental Tubing & Fittings |
| Stainless Steel Coil/Stainless Steel Sheet/Stainless Steel Strip/Stainless Steel Tile Trim |
Standard: #EN10217-7 #EN10312 #EN10357 #EN10296 #DIN11850 #ASTM #A249 #A269 #A270 #A312 #A268 #A554 #AS1528.1, #JIS #G3448 etc.
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