2205 elbow, stainless steel short radius elbow, welded 90 degree elbow, 2205, 90 degree elbow

2205 elbow, stainless steel short radius elbow, welded 90 degree elbow, 22052507 duplex steel 90 degree elbow
　　  2205 duplex steel elbow and stainless steel pipe fittings are divided into wire mouth pipe fittings and welded pipe fittings
According to the material, they can be divided into 304321310, etc
the production standards are divided into international standards, American standards, German standards, etc
Pipe fittings made of stainless steel, including stainless steel elbow, stainless steel tee, stainless steel cross, stainless steel reducer, 2205 duplex steel pipe, stainless steel pipe cap, etc

　　  1
For multi pass and multi-layer welding of stainless steel pipe fittings, the back welding method shall be adopted for arc starting, and the arc pit shall be filled for arc ending
2205 it is forbidden to strike arc or strike arc on the base metal surface of pipes and fittings
Air holes, cracks and other defects found at the arcing or arcing shall be cleaned

　　  2
During tack welding, the inner side of the weld shall be protected by argon filling

　　  3
The pipe of stainless steel pipe fittings cannot be cut with ordinary grinding wheel, but should be cut with grinding wheel or plasma

　　  4
After welding, the pipe fittings shall be pickled and passivated

　　  5
When materials are hoisted, they shall not be in direct contact with other metals
Non metallic materials such as wood board or rubber plate shall be padded

　　  The main standards of elbow products are: ASME B16 9，ASME B16
47，ASME B16
5，ASME B16
48，ASME B16
11，ASME B36
10m, MSS sp-44, MSS sp-75, MSS sp-97, GB / t12459, din2632, a860wphy52 elbow material, 20592 ~ 20605 and other pipe fittings of American, German, Russian and Japanese standards! Main materials of thin wall a860wphy52 elbow: a234 WPB / Wp1 / wp5 / wp9 / wp11 / WP12 / wp22 / wp91, WB36, A420 wpl3 / wpl6, A350 LF2 / LF3, A105, A516 gr
60/70, MSS sp75 wphy42-80, a860 wphy42-80, a694 f42-80, 20#, 16Mn, Cr5Mo, 12Cr1MoV, 15CrMo st37 0, Cangzhou a860wphy52 elbow, ST35 8，ST45
8
S235jr, p235gh, ASTM A106 gr
b, A182 f304 elbow / F316 / / f321 / f347 A403 wp304 / wp316 / wp321 / wp347 and other carbon steel alloy steel stainless steel elbow materials thin wall a860wphy52 elbow / welding elbow stamping elbow push elbow casting elbow