Duplex Big Size EFW / ERW Stainless Steel Welded Pipe DN150 S31803 / S32750 / S32760
DN150 S31803 / S32750 / S32760 Duplex Steel Big Size EFW / ERW Welded Pipe
ASTM A269 - 10 : Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service
ASTM A312 / A312M - 12 : Standard Specification for Seamless , Welded , and Heavily Cold Worked Austenitic Stainless Steel Pipes
ASTM A789 / A789M - 10a : Standard Specification for Seamless and Welded Ferritic / Austenitic Stainless Steel Tubing for General Service
ASTM A790 / A790M - 11 : Standard Specification for Seamless and Welded Ferritic / Austenitic Stainless Steel Pipe
| UNS Designation | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| max | max | max | max | max | ||||||
| S31803 | 0.03 | 1 | 2 | 0.03 | 0.02 | 21.0 - 23.0 | 4.5 - 6.5 | 2.5 - 3.5 | 0.08 - 0.20 | - |
| S32205 | 0.03 | 1 | 2 | 0.03 | 0.02 | 22.0 - 23.0 | 4.5 - 6.5 | 3.0 - 3.5 | 0.14 - 0.20 | - |
| S32750 | 0.03 | 0.8 | 1.2 | 0.035 | 0.02 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 5.0 | 0.24 - 0.32 | 0.5 max |
| S32760 | 0.05 | 1 | 1 | 0.03 | 0.01 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 4.0 | 0.20 - 0.30 | 0.50 -1.00 |
Application :
1 . For fluid and gas transport
2 . Structure and machining
3 . Heat exchanger pipes etc
Advantages :
1 . Superior surface finish
2 . Better mechanical property
3 . More precise dimension
4 . Perfect inspection method and inspection equipment
Test :
1 . X-ray , Size test , Length test
2 . Chemical Analysis ( Photoelectric Emission Spectroscopic ) etc
| Terms & Conditions | Price Item | FOB, CFR, CIF or as negotiation |
| Payment | T/T, LC or as negotiation | |
| Delivery Time | 30 working days after received your deposit (Normally according to the order quantity) | |
| Package | Iron case; woven bag or as per customer’s requirement | |
| Quality Requirement | Mill Test Certificate will be supplied with shipment, Third Part Inspection is acceptable | |
| Quality | Test | NTD(Ultrasonic test, Eddy Current test); |
| Mechanical Test(Tension Test, Flaring Test, Flattening Test, Hardness Test, Hydraulic test); | ||
| Metal Test(Metallographic Analysis, Impact Test-High/low temperature); | ||
| Chemical Analysis(Photoelectric Emission Spectroscopic) | ||
| Market | Main Market | Europe, Middle East, Southeast Asia, South America. etc |
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