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{"title":"ASTM SA 790 S32205 2205 S22053 DIN1.4462 Duplex Stainless Steel Pipe 89*4*6000MM","imgUrl":"https:\/\/img.chinax.com\/nimg\/5f\/cd\/1a7782102f0cbb8181cffb273d5e-200x200-1\/astm_sa_790_s32205_2205_s22053_din1_4462_duplex_stainless_steel_pipe_89_2a4_2a6000mm.jpg","attrs":{"Brand Name":"TSING SHAN","Model Number":"2205 S31803","Certification":"ISO SGS MTC","Place of Origin":"China"}}
{"title":"ASTM A312 TP316L Stainless Steel Seamless Pipe 1.4404 Hollow Bar OD 90 ID 60 MM","imgUrl":"https:\/\/img.chinax.com\/nimg\/4a\/d2\/143dbc320f73e8bc1d006486d05d-200x200-1\/astm_a312_tp316l_stainless_steel_seamless_pipe_1_4404_hollow_bar_od_90_id_60_mm.jpg","attrs":{"Brand Name":"TISCO","Model Number":"316L","Place of Origin":"China","Minimum Order Quantity":"2 ton"}}
{"title":"Hollow Bar Seamless Sus316L OD45x28ID L3000 Mm ASTM A276 TP316L Stainless Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/3d\/7e\/0603fe25ae52d98aa0a97f2ce51a-200x200-1\/hollow_bar_seamless_sus316l_od45x28id_l3000_mm_astm_a276_tp316l_stainless_steel_pipe.jpg","attrs":{"Brand Name":"TSINGSHAN","Model Number":"316L","Certification":"ISO MTC","Place of Origin":"China"}}
{"title":"ASTM A790 S32750 2507 DIN1.4410 Super Duplex Steel Seamless Pipe 89*6*6000mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/d9\/41\/c16534a12f03987b7de2b83b77ce-200x200-1\/astm_a790_s32750_2507_din1_4410_super_duplex_steel_seamless_pipe_89_2a6_2a6000mm.jpg","attrs":{"Brand Name":"TSINGSHAN","Model Number":"S32750 2507 DIN1.4410","Certification":"ISO MTC","Place of Origin":"China"}}
{"title":"Super Duplex 2507 Pipe And ASTM A790 S32750 Seamless Stainless Steel Pipe For","imgUrl":"https:\/\/img.chinax.com\/nimg\/d3\/cc\/6eb481fc58e5b7c64dd1ee86dbe2-200x200-1\/super_duplex_2507_pipe_and_astm_a790_s32750_seamless_stainless_steel_pipe_for_oil_and_gas_industry.jpg","attrs":{"Brand Name":"TSINGSHAN","Model Number":"S32750 2507 DIN1.4410","Certification":"ISO MTC","Place of Origin":"China"}}
{"title":"SUS314 Stainless Steel Seamless Tube Pipe 88.9x2.3x6000 mmas EN 10204 type 3.1","imgUrl":"https:\/\/img.chinax.com\/nimg\/11\/82\/16fe52c99d281bba8f8e882a8093-200x200-1\/sus314_stainless_steel_seamless_tube_pipe_88_9x2_3x6000_mmas_en_10204_type_3_1_standard_astm_a312_tp314.jpg","attrs":{"Brand Name":"TSINGSHAN","Model Number":"314 0Cr25Ni20Si2","Certification":"ISO MTC","Place of Origin":"China"}}
{"title":"PIPE BE SCH 10S WLD A312 TP 316L ASME B36.19 SIZE- 100 Stainless Steel Welded","imgUrl":"https:\/\/img.chinax.com\/nimg\/76\/32\/902107dc54c1e168b7dada3e068c-200x200-1\/pipe_be_sch_10s_wld_a312_tp_316l_asme_b36_19_size_100_stainless_steel_welded_tube.jpg","attrs":{"Brand Name":"TSINGSHAN","Model Number":"316L","Certification":"ISO MTC","Place of Origin":"China"}}
Duplex stainless steels are a family of stainless steels. These are called duplex (or austenitic-ferritic) grades because their metallurgical structure consists of two phases, austenite (face-centered cubic lattice) and ferrite (body centered cubic lattice) in roughly equal proportions. They are designed to provide better corrosion resistance, particularly chloride stress corrosion and chloride pitting corrosion, and higher strength than standard austenitic stainless steels such as type A2/304 or A4/316. The main differences in composition, when compared with an austenitic stainless steel is that the duplex steels have a higher chromium content, 20-28%; higher molybdenum, up to 5%; lower nickel, up to 9% and 0.05-0.50% nitrogen. Both the low nickel content and the high strength (enabling thinner sections to be used) give significant cost benefits. They are therefore used extensively in the offshore oil and gas industry for pipework systems, manifolds, risers, etc. and in the petrochemical industry in the form of pipelines and pressure vessels. In addition to the improved corrosion resistance compared with the 300 series duplex stainless steels also have higher strength. For example, a Type 304 stainless steel has a 0.2% proof strength in the region of 280 MPa (41 ksi), a 22%Cr duplex stainless steel a minimum 0.2% proof strength of some 450 MPa (65 ksi) and a superduplex grade a minimum of 550 MPa (80 ksi).
Material Code: S32205 2205 S2205 S31803 Fabrication Standard: ASTM A213/249/269/270/312/789 Size Range: 12.7mm ~ 609.6mm Production Capacity: 10,000 tons/year Production days: 7 ~ 30 days Applications: Industrial pipelines with high pressure, high temperature and corrosion-resistence requirement
CHEMICAL COMPOSITION (%)
C
Mn
P
S
Si
Cr
Ni
Mo
N
Cu
Others
0.030
2.0
0.030
0.020
1.0
22.0~ 23.0
4.5~ 6.5
3.0~ 3.5
0.14~ 0.20
max
max
max
max
max
Detailed Photos
FAQ
Are you a manufacturer or a trading company? We are a manufacturer for most sizes listed and can assist with the entire project package if in need.
Where are your plants located in China? By 2012, we have a stainless steel pipe in Wuxi City and a stainless steel plant in Lishui City, with details available on our website.
Do you have a certified quality assurance system? Yes, we boasts ISO 9001:2015 certified factories.
Can I visit your plant before placing an order? Of course, we welcome and respect all clients' plant visits.
What is the market percentage for domestic and international sales? Our domestic market share is approximately 70%, with international sales accounting for less than 30% over the past 5 years.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Company Overview ：
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview ：
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...
