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  • S32750 Pipe

S32750 Pipe

  • Material Standard:ASTM A815
  • Grade No.:32750
  • Type:welded steel pipe
  • End:Beveled End,Plain End

PRODUCT DESCRIPTION

ASTM A815 ASTM A312 TP UNS 32750 Welded pipe seamless pipe steel tube


Welded steel pipe (steel pipe manufactured with a weld) is a tubular product made out of flat plates, known as skelp, that are formed, bent and prepared for welding.  Electric Resistance Welded Pipe. High Frequency Induction Welded Pipe. Spiral submerged-arc welding pipes.


Material Specfication and Dimension Standards:

Product Category Material Specification as per ASME/ASTM Dimension Standards
Seamless Pipes | Welded Pipes ASME SB167/167M TPS32750, ASTM B167/167M TPS32750, ASME SA928/928M TPS32750, ASTM A928/928M TPS32750 Class 1, Cl. 2, Cl. 3, Cl. 4, Cl. 5 ANSI B36.10, ANSI B36.19

Size Range:

1/4" to 16" Sch 5, Sch 5s, Sch 10, Sch 10s, Sch 20, Sch 30, Sch 40s, Sch 40, Sch STD, Sch 60, Sch 80s, Sch 100, Sch 120, Sch XS, Sch XXS, Sch 160


The difference between S32750 and S32760:

 

Trade Name UNS Super Duplex Industry Specifications Chemical Composition Min.Tensile
(KSI)
Min.Yield
(KSI)
Elongation
%
SAF 2507® UNS S32750 ASTM A182 F53, A240, A276, A479, A789, A790, A815, A928, A988
SAE J405
C 0.030 max
Cr 24.0-26.0
Cu 0.5 max
Mn 1.20 max
Mo 3.0-5.0
N 0.24-0.32
Ni 6.0-8.0
P 0.035 max
S 0.020 max
Si 0.8 max
116 80 15
  UNS S32760 ASTM A182 F55, A240, A276, A314, A473, A479, A789, A790, A815, A928, A988
SAE J405
C 0.03 max
Cr 24.0-26.0
Cu 0.5-1.0
Mn 1.0 max
Mo 3.0-4.0
N 0.2-0.3
Ni 6.0-8.0
P 0.03 max
S 0.01 max
Si 1.0 max
W 0.5-1.0
109 80 25

 

Duplex 2507 Overview

 

Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking.

 

Usage of Duplex 2507 should be limited to applications below 600° F (316° C). Extended elevated temperature exposure can reduce both the toughness and corrosion resistance of alloy 2507.

 

Duplex 2507 possesses excellent mechanical properties. Often a light gauge of 2507 material can be used to achieve the same design strength of a thicker nickel alloy. The resulting savings in weight can dramatically reduce the overall cost of fabrication.

 

Corrosion Resistance

 

2507 Duplex is highly resistant to uniform corrosion by organic acids such as formic and acetic acid. It is alsohighly resistant to inorganic acids, especially if they contain chlorides. Alloy 2507 is highly resistant to carbide-related intergranular corrosion. Due to the ferritic portion of the duplex structure of the alloy it is very resistant to stress corrosion cracking in warm chloride containing environments. Through additions of chromium, molybdenum and nitrogen localized corrosion such as pitting and crevice attack are improved. Alloy 2507 has excellent localized pitting resistance.

 

What are the characteristics of Duplex 2507?

  • High resistance to chloride stress corrosion cracking

  • High Strength

  • Superior resistance to chloride pitting and crevice corrosion

  • Good general corrosion resistance

  • Suggested for applications up to 600° F

  • Low rate of thermal expansion

  • Combination of properties given by austenitic and ferritic structure

  • Good weldability and workability


 

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