Trychem Metal And Alloys
Trychem Metal And Alloys
Mumbai, Maharashtra
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DUPLEX & SUPER DUPLEX STEEL

We are a leading Manufacturer of duplex steel round bar (uns s31803 round bar), duplex steel round bar (uns s32205 round bar), duplex steel round bar (uns s32550 round bar), super duplex steel round bar (uns s32750 round bar), super duplex steel round bar (uns s32760 round bar) and super duplex steel round bar (uns s32950 round bar) from Mumbai, India.

Duplex Steel Round Bar (UNS S31803 Round Bar)

Duplex Steel Round Bar (UNS S31803 Round Bar)
  • Duplex Steel Round Bar (UNS S31803 Round Bar)
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Approx. Price: Rs 300 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
Is It AnodizedNon Anodized
Material GradeUNS S31803
Single Piece Length3 meter, 6 meter
Delivery DetailsReady Stock
SizeAs per requirement
AnodizedNo
MaterialDuplex Steel
Test CertificateLAB TC
Third Party Inspection TpiAcceptable
BrandTMA
ShapeRound
GradeS31803
CustomisationCustomised
ConditionNew

Duplex stainless steels are extremely corrosion resistant, work hardenable alloys. Their microstructures consist of a mixture of austenite and ferrite phases. As a result, duplex stainless steels display properties characteristic of both austenitic and ferritic stainless steels. This combination of properties can mean some compromise when compared with pure austenitic and pure ferritic grades.

Duplex stainless steels are in most cases, tougher than ferritic stainless steels. Strengths of duplex stainless steels can in some cases be double that for austenitic stainless steels.

Duplex steels are also magnetic, a property that can be used to easily differentiate them from common austenitic grades of stainless.

Chemical Element% Present
Carbon (C)0.0 - 0.03
Chromium (Cr)21.00 - 23.00
Manganese (Mn)2.00 max
Silicon (Si)1.00 max
Phosphorous (P)0.0 - 0.03
Sulphur (S)0.0 - 0.02
Nickel (Ni)4.50 - 6.50
Nitrogen (N)0.08 - 0.20
Molybdenum (Mo)2.50 - 3.50
Iron (Fe)Balance

Grade UNS 31803 is similar to:

2205
EN 1.4462Z
UNS S31803
UNS S32205
BS 318S13

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Duplex Steel Round Bar (UNS S32205 Round Bar)

Duplex Steel Round Bar (UNS S32205 Round Bar)
  • Duplex Steel Round Bar (UNS S32205 Round Bar)
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Approx. Price: Rs 300 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
Material GradeS32205
Single Piece LengthAs required
Delivery DetailsReady Stock
SizeAs per Requirement
AnodizedNo
MaterialS32205

Duplex 2205 stainless steel (both ferritic and austenitic) is used extensively in applications that require good corrosion resistance and strength. The S31803 grade stainless steel has undergone a number of modifications resulting in UNS S32205, and was endorsed in the year 1996. This grade offers higher resistance to corrosion.

Grade 2205 stainless steel exhibits excellent corrosion resistance, much higher than that of grade 316. It resists localized corrosion types like intergranular, crevice and pitting. The CPT of this type of stainless steel is around 35°C. This grade is resistant to chloride stress corrosion cracking (SCC) at temperatures of 150°C. Grade 2205 stainless steels are apt replacements to austenitic grades, especially in premature failure environments and marine environments.
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Duplex Steel Round Bar (UNS S32550 Round Bar)

Duplex Steel Round Bar (UNS S32550 Round Bar)
  • Duplex Steel Round Bar (UNS S32550 Round Bar)
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Approx. Price: Rs 300 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
Material GradeS32550
Single Piece LengthAs Required
Delivery DetailsReady Stock
MaterialS32550
Surface TreatmentHeat Treatment 1100*C
BrandTMA
FinishingNew
CertificationLAB TC
Ultrasonic TestOK
Is It AnodisedNot Anodised
Third Party Inspection TipAcceptable
Outside DiameterAs required

Duplex stainless steels are extremely corrosion resistant, work hardenable alloys. Their microstructures consist of a mixture of austenite and ferrite phases. As a result, duplex stainless steels display properties characteristic of both austenitic and ferritic stainless steels. This combination of properties can mean some compromise when compared with pure austenitic and pure ferritic grades.
Duplex stainless steels are in most cases, tougher than ferritic stainless steels. Strengths of duplex stainless steels can in some cases be double that for austenitic stainless steels.

Whilst duplex stainless steels are considered resistant to stress corrosion cracking, they are not as resistant to this form of attack as ferritic stainless steels. However, the corrosion resistance of the least resistant duplex stainless steels is greater than that for the most commonly used grades of stainless steels, i.e. 304 and 316.

Duplex steels are also magnetic, a property that can be used to easily differentiate them from common austenitic grades of stainless.

Property data given in this document is typical for flat rolled products covered by ASTM A240/A240M. ASTM, EN or other standards may cover products sold. It is reasonable to expect specifications in these standards to be similar but not necessarily identical to those given in this datasheet.


Chemical Element% Present
Carbon (C)0.0 - 0.04
Chromium (Cr)24.00 - 27.00
Manganese (Mn)0.0 - 1.50
Silicon (Si)0.0 - 1.00
Phosphorous (P)0.0 - 0.04
Sulphur (S)0.0 - 0.03
Nickel (Ni)4.50 - 6.50
Nitrogen (N)0.10 - 0.25
Molybdenum (Mo)2.90 - 3.90
Copper (Cu)1.50 - 2.50
Iron (Fe)Balance
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Super Duplex Steel Round Bar (UNS S32750 Round Bar)

Super Duplex Steel Round Bar (UNS S32750 Round Bar)
  • Super Duplex Steel Round Bar (UNS S32750 Round Bar)
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Approx. Price: Rs 400 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
SizeAs Required
Single Piece LengthAs Required
Thickness/DiameterAs Required
MaterialS32750
Material GradeS32750
ShapeRound
CustomisationCustomised
AnodizedNo

Super Duplex stainless like S32750, is a mixed microstructure of austenite and ferrite (50/50) which has improved strength over ferritic and austenitic steel grades. The main difference is that Super Duplex has a higher molybdenum and chromium content which gives the material greater corrosion resistance than standard duplex grades.

The balanced duel phase microstructure combines high strength with cost effective corrosion resistance particularly in high chloride environments. Super Duplex has the same benefits as its counterpart – it has lower alloying costs when compared with similar ferritic and austenitic grades with equipment corrosion resistance in chloride containing environments due to the material’s increased tensile and yield strength. In many cases this gives the purchaser the welcomed option of purchasing smaller thicknesses without the need to compromise on quality and performance.

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.
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Super Duplex Steel Round Bar (UNS S32760 Round Bar)

Super Duplex Steel Round Bar (UNS S32760 Round Bar)
  • Super Duplex Steel Round Bar (UNS S32760 Round Bar)
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Approx. Price: Rs 400 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
SizeAs Required
Single Piece LengthAs Required
Thickness/DiameterAs Required
MaterialS32760
Material GradeS32760
AnodizedNo

Material to UNS S32760 is described as a super duplex stainless steel with a microstructure of 50:50 austenite and ferrite.

UNS S32760 / 1.4501 / F55

The steel combines high mechanical strength (typically up to 600 MPa yield strength) and good ductility with outstanding corrosion resistance to marine environments and a wide, diverse range of oil & gas production environments. The alloy is supplied with a PREN(Pitting Resistance Equivalent) at >= 40.0 which guarantees high resistance to pitting corrosion. In addition, the steel offers high resistance to crevice corrosion and stress corrosion cracking.
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Super Duplex Steel Round Bar (UNS S32950 Round Bar)

Super Duplex Steel Round Bar (UNS S32950 Round Bar)
  • Super Duplex Steel Round Bar (UNS S32950 Round Bar)
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Approx. Price: Rs 400 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
SizeAs Required
Single Piece LengthAs Required
Thickness/DiameterAs Required
MaterialS32950
Material GradeS32950
AnodizedNo

S32950 stainless steel is a duplex stainless steel formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition.

It has a fairly low ductility among wrought duplex stainless steels. In addition, it has a moderately high thermal conductivity and a moderately low electrical conductivity.

The graph bars on the material properties cards below compare S32950 stainless steel to: wrought duplex stainless steels (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Element Weight %Fe60.2749 — 69.3499Cr26.0 — 29.0Ni3.5 — 5.2Mo1.0 — 2.5Mn0.0 — 2.0Si0.0 — 0.6N0.15 — 0.35P0.0 — 0.035C0.0 — 0.03S0.0 — 0.01

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Super Duplex Steel Round Bar (Zeron 100 Round Bar)

Super Duplex Steel Round Bar (Zeron 100 Round Bar)
  • Super Duplex Steel Round Bar (Zeron 100 Round Bar)
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Approx. Price: Rs 500 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
SizeAs Required
Single Piece LengthAs Required
Thickness/DiameterAs Required
MaterialZeron 100
Material GradeZeron 100
ShapeRound
AnodizedNo

Zeron 100, super duplex stainless steel, is a highly alloyed stainless steel designed for use in aggressive environments. High strength, toughness, excellent corrosion resistance and its resistance to corrosion in a wide range of organic and inorganic acids are just a few characteristics that make this duplex stainless steel attractive to a variety of industries. Lastly, it is highly resistant to strong alkalis and resists corrosion in many non-oxidizing acids.

Usage of this super duplex stainless steel is not recommended when it involves extended exposure to temperatures greater than 572° F. This exposure causes a substantial reduction in toughness.

Notice the chemical composition of duplex 2507 and Zeron 100 are similar however; Zeron 100 contains slightly more copper and tungsten. The copper content (min. 0.5, max 1.0) permits excellent resistance to corrosion in many non-oxidizing and mineral acids like hydrochloric and sulfuric acid.

Cr

Ni

Mo

C

W

Cu

24.0-26.0

6.0-8.0

3.0-4.0

0.030 Max

0.5-1.0

0.50-1.0

N

Mn

Si

P

 

Fe

0.2-0.3

1.00 Max

1.0 Max

0.03 Max

0.01 Max

Balance

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