Product Details
Grade 201 J4 SMLS Stainless Steel Seamless Pipe
200 SERIES STAINLESS STEEL SEAMLESS&WELDED PIPE
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
Element | C | Mn | Cr | Ni | Cu |
AISI 201/UNS S20100 | 0.15%Max | 5.50~7.50% | 16.0~18.0% | 3.50~5.50% | - |
AISI 202/UNS S20200 | 0.15%Max | 7.50~10.0% | 17.0~19.0% | 4.00~6.00% | - |
UNS 20430/204 Cu | 0.15%Max | 6.50~9.0% | 15.5~17.5% | 1.5~3.5% | 2.0~4.0% |
UNS 20500 | 0.12~0.25% | 14.0~15.5% | 16.5~18.0% | 1.0~1.75% | - |
MECHANICAL PROPERTIES
Grade | Tensile Strength (MPa) Min | Yield Strength (MPa) Min | Elongation (%in 50mm) Min |
200 series |
655
| 310 | 40 |
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.
Company Profile
Qingdao Teste Metal Products Co., Ltd. is a professional
manufacturer with more than 20 years of experience in manufacturing
stainless steel and carbon steel establised in 2018. Our location
is in Wuxi - the largest stainless-steel processing center in
China.
We have our own factory and provide a one-stop service for cutting,
forming and surface processing of metal products.
Also we cooperate with TISCO,CHENGDE,TSINGSHAN,DELONG,YONGJIN,
HONGWANG,JISCO,QPSS, POSCO-ZPSS and ESS.