Home page

Super Duplex Steel Pipes

Pipe Types:Seamless Pipe, ERW Pipe, Welded Pipe, Fabricated Pipe, LSAW Pipe, Box Pipe.
Schedule:SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120,SCH140, SCH160, XXS
Standard:ASME/ANSI B16.11, MSS-SP-97, MSS-SP-79, JIS B2316, BS 3799
Pipe Size:1/8″NB to 24″NB & 1/4″OD TO 24″OD AND 6.35mm to 254mm OD Thickness: 0.6mm to 20mm

Classification :

Stainless Steel Pipe

+8613787191317

info@northsteelgroup.com

E-mail

Specification

◎Super Duplex Steel Pipe Specifications

Super Duplex Steel Pipe	Specifications
Pipe Types	Seamless Pipe, ERW Pipe, Welded Pipe, Fabricated Pipe, LSAW Pipe, Box Pipe.
Schedule	SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120,SCH140, SCH160, XXS
Standard	ASME/ANSI B16.11, MSS-SP-97, MSS-SP-79, JIS B2316, BS 3799
Pipe Size	1/8″NB to 24″NB & 1/4″OD TO 24″OD AND 6.35mm to 254mm OD Thickness: 0.6mm to 20mm
Grades
Super Duplex Steel	ASTM/ASME A/SA 789, 790 – UNS NO S 31803, S 32205, S 32550, S 32750, S 32760

Chemical composition

◎Super Duplex Steel Pipe Chemical Composition

Grade	Common Name	C%	Mn%	Si%	P%	S%	Cr%	Ni%	Mo%	N%
2205	S31803	0.030	2.00	1.00	0.030	0.020	21.0-23.0	4.5-6.5	2.5-3.5	0.08-0.20
2205	S32205	0.030	2.00	1.00	0.030	0.020	22.0-23.0	4.5-6.5	3.0-3.5	0.14-0.20

◎Super Duplex Stainless Steel Pipe Mechanical Properties

Tensile Strength, ksi	0.2% Yield Strength, ksi	Elongation, %	Hardness [HRC]
90 min	65 min	25 min	293 max

Process

Seamless pipes & tubes (Mannesmann process)

Electric resistance welded pipes & tubes

Tests

◎Super Duplex Pipe Test

Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation),

Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test, X-ray Test.
Mill Test Certificate: EN 10204 3.1 and EN 10204 3.2
Third party inspection: SGS, BV, Lloyds etc.