Was this helpful?People also askWhat kind of pipe is A335 grade p21?What kind of pipe is A335 grade p21?A335 Grade P21 Pipe is a low alloy carbon steel (Cr-Mo) that is self quench in air,where the welding adquire high hardnees and residual stress not recomended to put it directly in services that demand critical conditions.ASTM A335/ASME SA335 P21 Alloy Steel Pipe ASTM A335 P11
The A335 P22 is a seamless pipe made from a ferritic alloy stainless steel.Chemically,the alloy of SA335 P22 material contains carbon,manganese,sulphur,silicon and phosphorous in trace amounts.The main additives in the alloy are chromium and molybdenum,which gives stainless steel superior mechanical properties.Some results are removed in response to a notice of local law requirement.For more information,please see here.12345Next
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