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Fujian Huacheng Stainless Steel Tube Co.,Ltd.
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Gold Index: 5837
S31803 Duplex Stainless Steel Seamless Tube For Boiler And Heat Exchanger ASTM A789
| Place of Origin: | Guangdong, China (Mainland) |
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Product Detail
S31803 Duplex Stainless Steel Seamless Tube For Boiler And Heat Exchanger ASTM A789
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S31803 Duplex Stainless Steel Seamless Tube For Boiler And Heat Exchanger ASTM A789
Specifications:
S31803 dual phase stainless steel tube is a medium alloy duplex stainless steel with good resistance to chloride stress. S31803 S31803 (22Cr-5Ni-3Mo-0.15N); UNS dual phase steel pipe is the most widely used in three kinds of dual phase steel (2205 duplex stainless steel tube, 2507 duplex stainless steel tube, S31803 duplex stainless steel).
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Technical Parameter for Heat Exchanger Tube |
Tensile Strength |
520-530Mpa |
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Yield Strength 0.2% |
205 - 225 |
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Elongation % |
35 - 38 |
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Corrosion test |
ACCEPTABLE |
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Flaring |
ACCEPTABLE |
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Hydraulic |
ACCEPTABLE |
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Eddy Current |
ACCEPTABLE |
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PMI |
ACCRPTABLE |
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Surface |
Acid wash, annealing |
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Ends |
Beveled and Caps |
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Packing |
Woven bags |
About 2ton for each bundle |
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Dimension |
OD Size |
1 / 8 - 3 / 4 inch |
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Thickness |
XS STD sch5 sch10 sch20 sch30 sch40 sch80 sch160 |
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Length |
5 - 5.8m, 6m,double random length |
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Certificate |
ISO/SGS/BV/Lloyd/ABS/CCS/RINA/GL/DNV |
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Description:
S31803 Chemical component:
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Chemical |
C |
Si |
Mn |
Cr |
Ni |
S |
P |
Mo |
N |
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% |
≤0.030 |
≤1.00 |
≤2.00 |
21.0023.00 |
4.506.50 |
≤0.020 |
≤0.030 |
2.5~3.5 |
0.08~0.20 |
Characteristics of S31803 duplex stainless steel tube
PREN value 32 ~ 33
The corrosion resistance of the alloy S31803 UNS is between 316L 6%Mo+N and AISI austenitic stainless steel.
The yield strength is stronger than that of 18-8 type austenitic stainless steel by about 2 times.
Four. The main use of S31803 stainless steel tube:
Neutral chloride environment oil and gas industry 's industrial 's industrial 's industrial 's industrial 's equipment and food and pharmaceutical industry 's equipment high strength structure
Product specification range:
φ16~76.2 x 0.4~10mm
Competitive Advantage:
Our factory is near to raw material market and high-speed way, the producing cost is low.
Our factory have long history for producing heat exchanger tube, both producing and testing machine is
advanced and perfect.
We always cooperate with famous project and companies.
Heat Exchanger Tube
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Company Info
Fujian Huacheng Stainless Steel Tube Co.,Ltd. [China (Mainland)]
Business Type:Manufacturer
City: Wenzhou
Province/State: Zhejiang
Country/Region: China (Mainland)
