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S32760

Category：Duplex Stainless Steel PipePublishedDate：2019-07-09

1. Standard

ASTM Standard：ASTM A 789M

2. Chemical Composition

Elements C Mn P S Si Cr Mo Ni N Cu W PRE
Min           24.0 3.0 6.0 0.20 0.50 0.50 40
Max 0.030 1.0 0.030 0.010 1.00 26.0 4.0 8.0 0.30 1.00 1.00  
Actual value 0.013 0.78 0.023 0.0005 0.4 25.36 3.4 7.13 0.28 0.59 0.65 42.13
 

 3.Mechanical Properties

Mechanical Properties Tensile Strength
MPa		 Yield Strength
MPa		 Elongation
%		 Hardness
HBW/HRC		 IMPact
J
（0℃，55*10*10）
Min 750 550 25    
Max       310/32  
Actual value 796 614 37 26.7 166

4. Typical Size

Size Outside Diameter
mm		 Permissible Variations
in Outside Diameter
mm		 Wall Thickness
mm		 Average Wall Permissible Variations
in Wall Thickness
95*22.25 95 ±0.38 22.25 ±10%S
 
Note:Standard requirements control range:OD：±0.38mm，WT：±10%S

5. Note:Standard requirements control range:OD：

     Applications: it is mainly used for petroleum and natural gas industrial equipment, offshore platform, heat exchanger, underwater equipment, fire fighting equipment, chemical processing industry, vessel and pipeline industry, high-pressure and submarine pipelines, mechanical components (high strength and corrosion resistant components).

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