Duplex Steel Uns S31803, S32750, S32950 Rectangular Pipe

• Type: Seamless/Welded
• Technique: Extruded
• Material: Stainless Steel
• Surface Treatment: Polished
• Usage: Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Construction & Decoration
• Section Shape: Special Section
• Model NO.: KM-811
• Size: 4*6~120*180mm
• Thickness: 0.5mm~6.0mm
• Delivery Time: 15--45 Days Ex Mill
• Loading Port: Chinese Main Port
• Length: 6m or According to Customer′s Request
• Certificate: ISO/CE
• Shape: Rectangular/ Square/Embossed/Oval/Special
• Surface: Polished
• Application: Industrial Usage
• Standard: ASTM/DIN/JIS/En
• Transport Package: Standard Sea-Worthy Package
• Specification: 4*6~120*180mm
• Trademark: Kingmetal
• Origin: China (Mainland)
• Production Capacity: 1000 Ton/Tons / Month

Product Description

Duplex Steel UNS S31803,S32750,S32950 Rectangular pipe

DUPLEX STEEL PIPE & TUBES SPECIFICATIONS
Specification	:	ASTM A 790 ASME SA 790
Dimensions	:	ASTM, ASME and API
Size	:	1/2″ TO 6′ IN OD & NB IN Various SWG & SCH
Specialized in	:	Large Diameter Size
Schedule	:	SCH20, SCH30, SCH40, STD, SCH80
Type	:	Seamless / Welded / ERW / Fabricated
Form	:	Round, Hydraulic, Etc.
Length	:	Single Random, Double Random & Cut Length.
End	:	Plain End, Beveled End, Threaded
Test	:	Hardness Test Flattening Test Pitting Resistance Test Chemical Analysis - Spectro Analysis Micro and MacroTest Flaring Test Intergranular Corrosion (IGC) Test Mechanical Testing Such as Tensile of Area Positive Material Identification - PMI Testing

Duplex Pipe composition & technical information

Typical compositions and proof strengths of common stainless steels

Common Name	UNS No	BS EN No	Typical Chemical Composition %	0.2% proof strength N/mm2 (min)
%C	Cr	Ni	Mo	N	Cu
2304	S32304	1.4362	0.015	23.0	4.0	0.055	0.13		400
2205	S31803	1.4462	0.015	22.0	5.5	3.0	0.14	-	450
2205	S32205	1.4462	0.015	22.5	5.5	3.3	0.17		450
255(UR52N)	S32520	1.4507	0.015	25.0	7.0	3-5	0.28	0.13	550
2507	S32750	1.4410	0.015	25.0	7.0	4.5	0.28	0.3	550
Zeron 100	S32760	1.4501	0.015	25.0	7.0	3.5	0.25	0.8	550
Sandvik SAF3207	S33207	-	0.03	31	7.5	4.0	0.50	0.75	700

 

Duplex Seamless Steel Tubes Surface Finish

Surface Finish		Internal Surface(ID)		Exterbal Surface(OD)
		Roughness Average(RA)		Roughness Average(RA)
		μ inch	μm	μ inch	μm
AP	Annealed & Pickled	Not defined	Not defined	40 or Not defined	1.0 or Not defined
BA	Beight Annealed	40,32,25,20	1.0,0.8,0.6,0.5	32	0.8
MP	Mechanical Polish	40,32,25,20	1.0,0.8,0.6,0.5	32	0.8
EP	Electro Polish	15,10,7,5	0.38,0.25,0.20;0.13	32	0.8