ASTM 347 201 SS Round Pipe Seamless Stainless Steel Tube Square Mill Finish

200 Series stainless steels are not new – In fact they have been around for many years. To date they have traditionally not proved very popular outside the USA. However, since they have a much lower Nickel content than 300 Series Austentics, the very high Nickel price over recent years has led to significantly more interest. Equally, stainless steel producers have an ongoing programme of development designed to enhance existing grades and produce new grades. These new grades are sometimes developed for specific end uses and sometimes to improve upon an existing grade.

STOCKING PROGRAM

• Size Range : 1/4″ ~ 36″ NPS (Larger sizes available upon request)
• Schedules : 10, 10s, 40, 40s, 80, 80s, 120, 160 (Custom wall thicknesses available upon request)
• Stainless Steel Grades : 304, 304L, 316, 316L, 316L, 317L, 321 , 347
• Special Alloys : 2205, 254SMo, Monel, Inconel
• Chrome Moly : P5, P9, P11, P22, P91
• Standards : ASTM / ASME

CHEMICAL COMPOSITION

MECHANICAL PROPERTIES

ADVANTAGES OF WELDED

• Welded pipes are typically more cost effective than their seamless equivalents.
• Welded pipes are usually more readily available than seamless. The longer lead time required for seamless pipes can not only make timing problematic, but it also allows more time for the price of the materials to fluctuate.
• The wall thickness of welded pipes is generally more consistent than that of seamless pipes.
• The internal surface of welded tubes can be checked before manufacturing, which isn’t possible with seamless.

ADVANTAGES OF WELDED

• The main perceived advantage of seamless pipes is that they don’t have a weld seam.
• Seamless pipes provide peace of mind. Although there should be no issues with the seams of welded pipes supplied by reputable manufacturers, seamless pipes prevent any possibility of a weak seam.
• Seamless pipes have better ovality or roundness, than welded pipes.

Jiangsu Changjian Metal Products Co., Ltd. ,a professional metal raw material supplier. We have more than 10 years of experience in manufacturing stainless steel and carbon steel , which is located in Wuxi, the largest stainless-steel processing center in China. We provide stainless steel,carbon steel and aluminum.Our products include 200/300/400 series and duplex stainless steel coil and sheet, and regular stock are 10,000 tons.Changjian has owned factory and provides a one-stop service for cutting, forming and surface processing of metal products.We are the leading distributor of POSCO-ZPSS and ESS , also cooperates with TISCO,CHENGDE,TSINGSHAN,YONGJIN,HONGWANG,JISCO, Mills.We have more than 10 years' experience in serving stainless steel industries, including green energy, kitchenware and household appliance,petro-chemical,shipbuilding,transit equipment like Auto and CRH(China Railway High-speed),and medical facility etc.,Our products are also widely used for heat-exchange pipe and tube,cookware and tableware,pressure vessel,petrochemical tank,precision electronic instrument,solar water heater,Automobile parts,etc.