Duplex Stainless Steel Seamless Stainless Steel Round Pipe

Choose our high-quality Duplex Stainless Steel Seamless Round Pipe from our factory. Durable and corrosion-resistant, perfect for all your industrial needs.
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Product Description

Top quality duplex Stainless steel seamless stainless steel round tubes random length produce and supply

Product Description:Top quality duplex Stainless steel seamless stainless steel round tubes random length produce and supply
size A).Out diameter:   ANSI 1/8"-16"(6mm-406mm).
 B).Wall thickness:  ANSI 5S-160S (0.9mm-30mm)
Manufacture Standard:ASTM A789, ASTM A790,GOST 9941, GOST 9940, DIN17456, DIN17458, EN10216-5, EN17440, JISG3459, JIS3463,
Grades:S31803, S32750,S31500
Process methods: cold dawning, cold rolling
Surface&Delivery condition:Solution annealed, pickled, grey white, with plain ends/bevel edges ends
Length: Max25 meters
Packing:in seaworthy wooden cases or in bundles

Min order quantity
1 ton
Delivery date: Min. 10 days
Certificates:ISO9001:2000 quality system and Mill test Certificate supplied

Applications: decoration,building,construction,water pipe,petroleum, chemical industry, chemical fiber, smelt, medical machinery, paper making,Heat preservation and refrigeration, mechanical equipment, food, electricity, water conservancy,
architecture, aerospace, navigation shipbuilding, environmental protection and boiler heat exchanger

GradeChemical components
C≤Mn≤Si≤S≤P≤Cr≤NiMoCu≤N
S32750(SAF2507)
00Cr25Ni7Mo4N
0.031.200.80.0200.03524.0/26.06.0/8.03.0/5.00.500.24/0.32
S31803(SAF2205)
00Cr22Ni5Mo3N
0.032.001.00.0200.03021.0/23.04.50/6.502.50/3.50
 
0.08/0.20
S31500(3RE60)
00Cr18Ni5Mo3Siz
0.031.2/2.001.4/2.000.0300.03018.0/19.04.25/5.252.50/3.00
 
0.05/0.10

Duplex stainless steel tubes Mechanical properties
Gradeσb(Mpa)≥σs(Mpa)≥δ(%)≥Hardness
(HB)(HRC)
S32750(SAF2507)
00Cr25Ni7Mo4N
8005501531032
S3180.(SAF2507)
00Cr22Ni5Mo3N
6204502529030.5
S31500(3RE60)
00Cr18Ni5Mo3Siz
6304403029030.5
 
Quality assure:
1,Basic guarantee:Raw material guarantee,we use the Tsingshan Brand raw material,the quality is good,adding we use the spectrum direct-reading test,our professional workers &equipments,we could guarantee the tubes is right of the clients' needs.
2,Process control:follow the process chart adding our workers' care
3,Inspection& TestDirect-reading Spectrum Instrument analytic for chemical composition, Yield Strength, Tensile Strength, Elongation, Hardness Test, Flattening Test, Flaring Test, Eddy Current Test, Ultrasonic Test, Hydrostatic Test,  Corrosion Test, etc.


Parts of workshop:
Duplex Stainless Steel Seamless Stainless Steel Round Pipe



Package and delivery of duplex stainless steel tubes:

Duplex Stainless Steel Seamless Stainless Steel Round Pipe


Features of stainless steel tubes:
  1. characters such as Safety, health, environmental protection
  2. economy applicable, good surface
  3. the resistant to corrosion
  4. less weight than bars, thickness and out diameter so variously
  5. easy cutting, huge deformation,good welding and anti-pot corrosion
  6. tensile strengthen and good be flexible etc.
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