S32304, 1.4362, UNS S32304

S32304,1.4362

 

 

S32304 (1.4362)

Summary

Alloy 2304 (UNS S32304) is a 23% chromium, 4% nickel, molybdenum-free duplex stainless steel. The Alloy 2304 has corrosion resistance properties similar to 316L. Furthermore, its mechanical properties, i.e., yield strength, are twice those of 304L/316L austenitic grades. This allows the designer to save weight, particularly for properly designed pressure vessel applications.
UNS S32304, is a lean duplex steel, similar to other duplex steels with it’s high strength and resistance to chlorides stress corrosion cracking however, due to its lower alloying content it has a lower level of pitting and crevice corrosion resistance (PREN approximately 26). As it contains very little Molybdenum, 2304 is a good economical alternative to 316L in some applications although 2304 is not recommended for use above 300℃. Also knows by the Uranus 35N and SAF2304.
The alloy is particularly suitable for application covering the -50℃/+300℃(-58℉
/572℉) temperature range. Lower temperatures may also be considered, but need some restrictions particularly for welded structures. With its duplex microstructure, low nickel and high chromium contents, the alloy has improved stress corrosion resistance properties compared to 304 and 316 austenitic grades.

Products

 

omposition Wt,%

1.4362 Composition % according to EN-10216-5

 

C

Si

Mn

P

S

Cr

Mo

Ni

N

Cu

Min

 

 

 

 

 

22.00

0.10

3.50

0.05

0.10

Max

0.03

1.00

2.00

0.035

0.015

24.00

0.60

5.50

0.20

0.60

S32304 Composition % according to ASTM A789,ASTM A790

 

C

Si

Mn

P

S

Cr

Mo

Ni

N

Cu

Min

 

 

 

 

 

21.50

0.50

3.00

0.05

0.50

Max

0.03

1.00

2.50

0.040

0.040

24.50

0.60

5.50

0.20

0.60

Solution annealing:950-1050℃

Density:7800kg/M³

Hardness Brinell 290 Max

Tensile Strength @ Break 600 Mpa/87000psi Min

Tensile Strength @ Yield 400 Mpa/58000psi 0.2% offsett

Elongation of Elasticity in tension 200Gpa 28500 ksi

 


We have products:

seamless pipe,seamless tube,

 welded pipe,welded tube,

pipe fitting,flange,bar,plate


Complete inspection equipment and quality system.
Eddy current test, Ultrasonic detector, hydraulic test equipment, Universal testing machine, Arldirect-reading spectrometer...... Recently we have replaced a new set of advanced PMI equipment, OXFORD INSTRUMENTS X-MET7000
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Advanced equipment and technological process.
We have 5 bright annealed furnace with 30 mtrs in length, the highest temperature can reach 1350℃, and the tolerance between the set and real temperature could be within 2℃, and it ensures the mechanical properities and the quality of the pipe surface.
Straightening Machine, this equipment can ensure the straightness of our big OD pipes
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