address Room 101, Building 17, No.2888 Shengang Road, Songjiang Industrial Zone, Shanghai,china
Duplex Stainless Steel Pipes & Tubes
Duplex Stainless Steel Pipe Specifications:
ASTM A789 Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
ASTM A790 (ASME SA790) Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
ASTM A928 (ASME SA928) Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
GB/T 21832-2008 Austenitic--Ferritic(duplex) grade stainless steel welded tubes and pipes
GB/T 21833-2008 Austenitic-Ferritic (duplex) grade stainlee steel seamless tubes and pipes
Duplex Stainless Steel Pipe Features:
1.Superior resistance to general and local corrosion, especially to stress corrosion, pitting corrosion, crevice corrosion, corrosion fatigue and abrasion & corrosion.
2.Good weldability
3.Good mechanical properties
4.Excellent intergranular corrosion resistance
5.High cost-effectiveness, long life time
ASTM A790 (ASME SA790) Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
ASTM A928 (ASME SA928) Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal
GB/T 21832-2008 Austenitic--Ferritic(duplex) grade stainless steel welded tubes and pipes
GB/T 21833-2008 Austenitic-Ferritic (duplex) grade stainlee steel seamless tubes and pipes
Duplex Stainless Steel Pipe Features:
1.Superior resistance to general and local corrosion, especially to stress corrosion, pitting corrosion, crevice corrosion, corrosion fatigue and abrasion & corrosion.
2.Good weldability
3.Good mechanical properties
4.Excellent intergranular corrosion resistance
5.High cost-effectiveness, long life time
Main Testing Terms and Procedure:
- 1. Heat Treatment and Solution Annealing / Bright Annealing
- 2. Cutting to required length and deburring;
- 3. Chemical Composition Analysis Test With 100% PMI and One tube from each heat by Direct Reading Spectrometer
- 4. Visual Test and Endoscope Test for Surface Quality Test
- 5. 100% Hydrostatic Test and 100% Eddy Current Test
- 6. Ultrasonic Test subject to the MPS (Material Purchase Specification)
- 7. Mechanical Tests includes Tension Test, Flattening Test, Flaring Test, Hardness Test
- 8. Impact Test subject to Standard request
- 9. Grain Size Test and Intergranular Corrosion Test
- 10. Ultrasoic measuring of Wall Thickness
- Related References:
- 1. Duplex Stainless Steel Pipe
- 2. Duplex Stainless Steel
- 3. Super-Duplex Stainless Steel
- 4. Principle of Duplex Stainless Steel
- 5. How the Austenite Ferrite Balance Achieved
- 6. Corrosion Resistance of Duplex Stainless Steel
- 7. Stress Corrosion Cracking SCC of Duplex Stainless Steel
- 8. Barrier to Using Duplex Stainless Steel
- 9. Duplex Stainless Steel Grades Comparison Table
- 10. S32101 | S32205/S31803 | S32304 | S32750 | S32760
Contact Information：
Email：sales605@eastasiametal.com
Skype：live:sales605_6
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