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Specifications
Stainless Steel Seawater Desalination PipeHigher strength
Good weldability in thick sections
Stainless Steel seawater desalination Pipe
Specifications
Higher strength
Good weldability in thick sections
Good toughness
Resistance to stress corrosion cracking
1. Detailed Specification:
Series
Duplex Stainless Steel Tubes
Standards Applicable
ISO 9001/ ASTM A269/ A270/ A312/ A213, GB/T 14976/ GB/T 13296, etc.
Outer Diameter
6mm ~ 630mm
Thickness
0.5mm ~ 36mm
Length
Max 13000mm
Process Method
Cold rolled
Surface Finishing
Annealing and pickling, matt Finish or satin finish, mirror finish, wire drawing or hairline finish
Ends Finishing
Plain ends or beveled ends
Test
Eddy current, hydrostatic, ltrasonic, intergranular corrosion or according to customers' request
Designed Features
Good resistance to pitting and crevice corrosion. Very good resistance to stress corrosion cracking. Good resistance to intergranular corrosion. Good formability and weldability. Maximum service temperatures of 450 deg. C. (824 deg. F).
|
Chemical Composition of Material |
Material Composition |
201 | 202 | 304 | 316L | 430 |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤0.12 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
| Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
| P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
| Cr | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
| Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | ||
| Mo | 2.0-3.0 | |||||
|
Mechanical Property |
Material Item | 201 | 202 | 304 | 316 | |
| Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | ||
| Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | ||
| Extension | ≥30% | ≥30% | ≥35% | ≥35% | ||
| Hardness (HV) | <105 | <100 | <90 | <90 | ||
Typicial Applications
***Production and transport of sulfuric acid
***Metal pickling in sulfuric acid
***Production and concentration of phosphoric acid
***Use in seawater, brackish water, condensers, heat exchangers and pipe work in general
***Paper and allied industries
***Gas washing
***Chemical and pharmaceutical industries
Definition of stainless steel(Adopted form Wikipedia)<o: P>
In metallurgy, stainless steel, also known as inox steel or inox from French "inoxydable", is defined as a steelalloywith a minimum of 10.5% to 11% chromium content by mass. <o: P>
Stainless steel does not readily corrode, rust or stain with water as ordinary steel does, but despite the name it is not fully stain-proof, most notably under low oxygen, high salinity, or poor circulation environments. It is also called corrosion-resistant steel or CRES when the alloy type and grade are not detailed, particularly in the aviation industry. There are different grades and surface finishes of stainless steel to suit the environment the alloy must endure. Stainless steel is used where both the properties of steel and resistance to corrosion are required
Our Advantage
(1): High quality stainless steel tube with reasonable price.
(2): Wide excellent experiences with after-sale service.
(3): Every process will be checked by responsible QC which insures every product's quality.
(4): Professional packing teams which keep every packing safely.
(5): Trial order can be done in one week.
(6): Samples can be provided as your requirements.
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