duplex pipe

Sachiya Steel International Is a  manufactures and Supplier of quality assortment of duplex steel pipes and tubes, Duplex Stainless Steel Pipes Are  widely used in construction and other industries. These pipes and tubes are available in various grades, specifications, sizes and thicknesses as per customer requirements. These pipes are highly appreciated by   our customers for their smooth finish, durability, dimensional accuracy and corrosion resistance. We provide these pipes and tubes to our customers at the best price in the market.

  Specification

Standard	:	ASTM / ASME SA 790. SA 789 , SA 790
Grade	:	UNS NO. S 31803, S 32205
Type	:	SEAMLESS / ERW / WELDED/ FABRICATED
Length	:	Single Random, Cut Length
End	:	Plain End, Bevelled End, Threaded

Types of Duplex Steel Pipes & Tubes

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• Duplex Steel UNS S31803 Pipe and Tubes
• UNS S32205 Pipes & Tubes
• Duplex Steel SAF 2205 Pipes & Tubes

 

 

 

Due to the need to overcome the shortcomings of austenitic and ferritic steels, duplex steels have appeared on the market. It was found that a mixture of these two materials resulted in higher strength, reduced weight, good weldability, and improved resistance to stress corrosion cracking.

 

 

 

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Chemical Composition of Super Duplex Stainless Steel Butt weld Fittings

C	Mn	Si	P	S	Cr	Mo	Ni	N	Fe
0.030 max	1.20 max	0.80 max	0.035 max	0.020 max	24.00 – 26.00	3.00 – 5.00	6.00 – 8.00	0.24 – 0.32	58.095 min
0.05 max	1.00 max	1.00 max	0.030 max	0.010 max	24.00 – 26.00	3.00 – 4.00	6.00 – 8.00	0.20 – 0.30	57.61 min

Mechanical Properties of ASTM A815 Super Duplex Steel Butt weld Pipe Fittings

Grades	Density (g/cm 3)	Density (lb/in 3)	Melting Point (°C)	Melting Point (°F)
S32750 / S32760	7.8	0.281	1350	2460

Duplex Steel Pipes Packaging

Duplex steel Pipes  may be furnished bare or coated and with capped ends. pipes up to 3” OD will be supplied in bundles. In order to prevent rust during sea shipment, bundles of Alloy 20 Seamless Pipe may be wrapped with polypropylene sheets, and secured with flat steel bands. Over 3” OD will be supplied loose.

Duplex Stainless Steel  Pipes Application Industries

• Off-Shore Oil Drilling Companies
• Power Generation
• Petrochemicals
• Gas Processing
• Specialty Chemicals
• Pharmaceuticals
• Pharmaceutical Equipment
• Chemical Equipment
• Sea Water Equipment
• Heat Exchangers
• Condensers
• Pulp and Paper Industry

Material Testing

We at  Sachiya Steel International  ensure that all our materials go through strict quality tests before dispatching them to our clients.

• Mechanical Testing Such as Tensile of Area
•  Hardness Test
•  Chemical Analysis – Spectro Analysis
•  Positive Material Identification – PMI Testing
• Flattening Test
•  Micro and MacroTest
•  Pitting Resistance Test
•  Flaring Test
•  Intergranular Corrosion (IGC) Test

Documentation

• Commercial Invoice which includes HS Code
• Packing List including net weight and gross weight, number of boxes, Marks and Numbers
• Certificate of Origin legalized/attested by Chamber of Commerce or Embassy
• Fumigation Certificates
• Raw Material Test Reports
• Material Traceability Records
• Quality Assurance Plan (QAP)
• Heat Treatment Charts
• Test Certificates certifying NACE MR0103, NACE MR0175
• Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2
• Guarantee Letter
• NABL approved Laboratory Test Reports
• Welding Procedure Specification/Procedure Qualification Record, WPS/PQR
• Form A for the purposes of the Generalized System of Preferences (GSP)

Duplex  Steel Pipes Test Certificates

We at  Sachiya Steel International  provide Manufacturer TC (Test Certificate) in accordance to EN 10204/3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report. We also provide Standard certificates like EN 10204 3.1 and additional requirement like. NACE MR 01075. FERRIT CONTENT as per norms if requested by clients.

• EN 10204/3.1B,
  Raw Materials Certificate
  100% Radiography Test Report
  Third Party Inspection Report, etc

Country’s We Export

Venezuela, Iraq, United Kingdom, Russia, United Arab Emirates, Croatia, Indonesia, Oman, Kazakhstan, Israel, Kenya, Iran, Bahrain, Bhutan, Colombia, Serbia, Pakistan, Czech Republic, Turkey, Ukraine, Poland, Bulgaria, France, Chile, Slovakia, Belgium, Iran, Ireland, Qatar, Sri Lanka, Sweden, Brazil, Bolivia, Taiwan, Jordan, South Africa, Switzerland, Tibet, Norway, India, Ghana, Costa Rica, Hungary, New Zealand, Vietnam, Ecuador, Afghanistan, Algeria, Peru, Netherlands, Argentina, Austria, Malaysia, Thailand, Portugal, Zimbabwe, Mongolia, Lebanon, Trinidad & Tobago,Tunisia, Mexico, Greece, Angola, Hong Kong, Denmark, Nepal, Finland, Chile, Poland, Yemen, Nigeria, Italy, Bangladesh, Australia, Macau, Azerbaijan, Saudi Arabia, Japan, Gabon, Philippines, Singapore, United States, Namibia, Romania, South Korea, Germany, Puerto Rico, Estonia, Morocco, Belarus, Nigeria, Mexico, Spain, China, Canada, Libya, Lithuania, Kuwait, Gambia, Egypt.