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{"title":"Astm A789 Uns S32750 Super Duplex Stainless Steel Pipe","imgUrl":"https:\/\/img.chinax.com\/nimg\/e2\/6a\/ec4aa2b1040c915a8495ccebf760-200x200-1\/astm_a789_uns_s32750_super_duplex_stainless_steel_pipe.jpg","attrs":{"Brand Name":"ZHEMU","Model Number":"Standard and Customization","Certification":"ISO","Place of Origin":"CHINA"}}
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{"title":"Super Duplex Stainless Steel Polish Bar Astm A240 A276 A479 Uns S32760 ASTM A789","imgUrl":"https:\/\/img.chinax.com\/nimg\/26\/89\/25193f260e11e3db51a22d4d300c-200x200-1\/super_duplex_stainless_steel_polish_bar_astm_a240_a276_a479_uns_s32760_astm_a789.jpg","attrs":{"Brand Name":"ZHEMU","Model Number":"Standard and Customization","Certification":"ISO","Place of Origin":"CHINA"}}
1.4410 ASTM A240 S32750 Super Duplex Stainless Steel 2507
PRODUCT DESCRIPTION
General characteristics
Duplex stainless steel, also referred to as a ferritic-austenitic steel, combine many of the beneficial properties of ferritic and austenitic steels. Due to its high content of chromium and nitrogen, and often also molybdenum, this steel offer good resistance to pitting and uniform corrosion. The duplex micro-structure contributes to their high strength and high resistance to stress corrosion cracking. Duplex steels also have good weldability.
Design features
⇒ High strength
⇒ High resistance to pitting corrosion, crevice corrosion, uniform corrosion, stress corrosion cracking and corrosion fatigue.
⇒ Good erosion and fatigue resistance
⇒ High energy absorption
⇒ Low thermal expansion
⇒ Good weldability
Corrosion resistance
Uniform corrosion Uniform corrosion is characterised by a uniform attack on the steel surface that has come into contact with a corrosive medium. The corrosion resistance is generally considered good if the corrosion attack is less than 0,1 mm/year. Due to the high content of chromium EN 1.4410 offers excellent corrosion resistance in many media.
Intercrystalline corrosion
The duplex microstructure and the low carbon content gives EN 1.4410 very good resistance to intercrystalline corrosion. The composition of the steel ensures that austenite is reformed in the heat-affected zone after welding. The risk of undesirable precipitation of carbides and nitrides in the grain boundaries is thus minimized.
Stress corrosion cracking
Conventional steels of the 1.4301 and 1.4401 type can be attacked by stress corrosion cracking (SCC) in chloride environments at high temperatures in combination with tensile stress. Due to their continuous ferritic phase, stainless steels of the duplex type are much less sensitive to this type of corrosion.
C
Si
Mn
p
S
Cr
Ni
Mo
N
≤0.03
≤0.80
≤1.20
≤0.035
≤0.020
≤24.00~26.00
≤6.0~8.0
3.0~5.0
0.24~0.32
Material
Super Duplex Stainless Steel Pipe
Process method
Cold drawn, cold Rolling
Grade
S31803/SAF2205, S32750, S32760
Standards
ASTM (ASME) A 789/ A 789M
Size
A) O. D.: 3/4" to 3"
B) W. T.: 10BWG, 12BWG, 14BWG, 16BWG, 18BWG, 20BWG, 22BWG
Suzhou Zhemu Material Co., Ltd (refered as Zhemu afterwards) is a professional supplier of high performance alloys. Our factory is specialized in suppling Nickel alloys , Hastelloy Alloy, Incoloy Alloy, Monel Alloy, Duplex Stainless Steel, Titanium Alloy, Zirconium Alloy, Copper Alloy and other spec... Suzhou Zhemu Material Co., Ltd (refered as Zhemu afterwards) is a professional supplier of high performance alloys. Our factory is specialized in suppling Nickel alloys , Hastelloy Alloy, Incoloy Alloy, Monel Alloy, Duplex Stainless Steel, Titanium Alloy, Zirconium Alloy, Copper Alloy and other spec...
