Duplex Stainless Steel Seamless Stainless Steel Round Pipe

Model NO.
6-630mm
Surface Treatment
Pickling
Finish
Acid Washing or Polished
Process
Cold Rolled/Cold Drawn
Length
Customed
Ends
Plain or Beveled
Od Size
6-630mm
Thickness
1-30
Seamless
Seamless
Transport Package
Bundles
Specification
6-630mm
Trademark
RUIYANG
Origin
China
HS Code
7304112000
Production Capacity
5000t/Year
Reference Price
$ 1.80 - 90.00
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Product Description

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

P roduct  D escription : 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
S urface&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

Grade Chemical components
C≤ Mn≤ Si≤ S≤ P≤ Cr≤ Ni Mo Cu≤ N
S32750(SAF2507)
00Cr25Ni7Mo4N 		0.03 1.20 0.8 0.020 0.035 24.0/26.0 6.0/8.0 3.0/5.0 0.50 0.24/0.32
S31803(SAF2205)
00Cr22Ni5Mo3N 		0.03 2.00 1.0 0.020 0.030 21.0/23.0 4.50/6.50 2.50/3.50
  		0.08/0.20
S31500(3RE60)
00Cr18Ni5Mo3Siz 		0.03 1.2/2.00 1.4/2.00 0.030 0.030 18.0/19.0 4.25/5.25 2.50/3.00
  		0.05/0.10

Duplex stainless steel tubes Mechanical properties
Grade σb(Mpa)≥ σs(Mpa)≥ δ(%)≥ Hardness
(HB) (HRC)
S32750(SAF2507)
00Cr25Ni7Mo4N 		800 550 15 310 32
S3180.(SAF2507)
00Cr22Ni5Mo3N 		620 450 25 290 30.5
S31500(3RE60)
00Cr18Ni5Mo3Siz 		630 440 30 290 30.5
 
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& Test Direct-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:



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.
welcome to contact for inquiry!

 

Stainless Steel