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Naman Pipe & Tubes
Naman Pipe & Tubes


Duplex and Super Duplex Steel Buttweld Fittings

Our product range includes a wide range of super duplex steel buttweld fittings, 2507 duplex steel buttweld fitting, s32550 super duplex steel buttweld fitting, s32760 super duplex steel buttweld fitting, 2205 duplex steel buttweld fitting and duplex steel fittings.

Super Duplex Steel Buttweld Fittings

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Product Details:
TypeWelded (ERW, Febricated & Seamless)
Range1/2''NB TO 24''NB IN SCH 5 TO SCH XXS
MaterialStainless Steel
Dimensional StandardsANSI B16.9
SchedulesSch 5 to Sch XXS (special wall thicknesses on request)
Size Range1/2" to 80" NB

Collection of industrial duplex stainless steel and super duplex steel offered by us is manufactured in sound infrastructure facilitated with modern and advanced machines. Developed in compliance with industrial norms, our duplex steel pipe fittings are well suitable for being used in varied industrial applications. They are corrosion proof and are sure to offer their service for longer time.

RANGE :
1/2'NB TO 24'NB IN SCH 5 TO SCH XXS

FORM :
ELBOW IN LONG & SHORT RADIUS IN 45DEG, 90 DEG, 180DEG.
EQUAL, UNEQUAL TEE & BERRED TEE
CAPS & CROSSES
LONG & SHORT STUB END
SWAGE NIPPLE & BARREL NIPPLE

QUALITY :
DUPLEX & SUPER DUPLEX STEEL
UNS S31803, S32205 (2205),S32750 (2507), S32760 (Z-100)
S32900 (329), S32304, F-51, F-53, F-54, F-55 & F-60 & HIGH NICKEL ALLOYS

Price Range : 150.00 - 500000.00 INR

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2507 Duplex Steel Buttweld Fitting

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2507 Duplex Steel Buttweld Fitting
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Product Details:
Usage/ApplicationIndustrial
Connection TypeWelded
GradeUNS-S 32750
Elongation (%)15
Tensile Strength (Mpa)795 min
DesignationA 815
StandardsASTM
Yield Strength550 (0.2% Proof (MPa) min)
Duplex Fitting TypeButt weld Fitting

Duplex 2507 (UNS S32750) is a super duplex stainless steel with 25% chromium, 4% molybdenum, and 7% nickel designed for demanding applications which require exceptional strength and corrosion resistance, such as chemical process, petrochemical, and seawater equipment. The steel has excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. The high chromium, molybdenum, and nitrogen levels provide excellent resistance to pitting, crevice, and general corrosion.
Super duplex is by definition a duplex stainless steel with a Pitting Resistance Equivalent Number (PREN) > 40, where PREN = %Cr + 3.3x(%Mo + 0.5x%W) + 16x%N. Usually super duplex grades have 25% chromium or more and some common examples are S32760 (Zeron 100 via Rolled Alloys), S32750 (2507) and S32550 (Ferralium).


Corrosion Resistance: General Corrosion:
  • high chromium and molybdenum content of 2507 makes it extremely resistant to uniform corrosion by organic acids like formic and acetic acid.
  • provides excellent resistance to inorganic acids, especially those containing chlorides.
  • can be used in dilute hydrochloric acid.
  • Pitting need not be a risk in the zone below the borderline in this figure, but crevices must be avoided.

 

Intergranural Corrosion:
  • Low carbon content greatly lowers the risk of carbide precipitation at the grain boundaries during heat treatment.
  • Is highly resistant to carbide-related intergranular corrosion.

 

Stress Corrosion Cracking:
  • Duplex structure of 2507 provides excellent resistance to chloride stress corrosion cracking (SCC).
  • Superior to 2205 in corrosion resistance and strength.
  • 2507 is especially useful in offshore oil and gas applications and in wells with either naturally high brine levels or where brine has been injected to enhance recovery.

 

Pitting Corrosion:
  • Different testing methods can be used to establish the pitting resistance of steels in chloride-containing solutions.

Crevice Corrosion:
  • Highly resistant to crevice corrosion.

 

2507 Duplex Steel Grade and Specification:
  • ASTM/ASME:A240 – UNS S32750
  • EURONORM: .4410 – X2 Cr Ni MoN 25.7.4
  • AFNOR: Z3 CN 25.06 Az

Value Added Services :
  • Annealed
  • Anodising
  • Bending
  • Casting
  • Cutting
  • Centreless Grinding (Cg)
  • Draw & Expansion
  • Drilling
  • Electroplating
  • Extruded
  • Fabricate (With Radiography)
  • Heat Treatment (Hardening & Tempering)
  • Machining (Cnc)
  • Minor Fabrication
  • Pickled
  • Polish (Electro & Commercial)
  • Sand Blasting
  • Threading (As Per Guage)
  • Welding

Typical Application of Duplex Steel Pipe Fittings:
  • Architecture and construction
  • Aerospace
  • Nuclear Power
  • Fertilizers
  • Valve & Pumps
  • Petrochemical
  • Motor industry
  • Food and drink
  • Electronics
  • Transport and traffic
  • Pulp and paper industry
  • Medicine
  • Energy industry
  • Chemicals industry
  • Nickel Alloy in Pulp and Paper

Price Range : 150.00 - 500000.00 INR


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S32550 Super Duplex Steel Buttweld Fitting

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S32550 Super Duplex Steel Buttweld Fitting
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Product Details:
Connection TypeWelded
GradeFerralium 255 (UNS-S32550)
Tensile Strength (Mpa)760 min
MaterialStainless Steel
Yield Strength550 (0.2% Proof (MPa) min)
Elongation15 (% in 50mm)
Hardness Rockwell C32 Max (HR C)
Density0.282 lb/in
Specific Gravity7.81

FERRALIUM 255is finding many cost effective applications in the chemical, marine, metallurgical, municipal sanitation, plastics, oil and gas, petrochemical, pollution control, wet phosphoric acid, paper making and metalworking industries. Called "super" because it is more alloyed than ordinary stainless steels and has superior corrosion resistance,FERRALIUM 255is being used in areas where conventional stainless' are inadequate or, at best marginal. One good example s in the paper industry which was hit with an epidemic of corrosion problems when environmental laws forced recycling of process liquids In closed systems, chemicals such as chlorides can build up to highly corrosive concentrations over time. Paper makers have found that ordinary stainless equipment, which had previously given good service, was no longer adequate for many applications.

FERRALIUM 255is a duplex alloy with a high strength to weight ratio with superior abrasion and cavitation resistance. Resistance to chloride SCC, as well as crevice corrosion and pitting. Good ductility with a high fatigue strength in marine applications. Twice the yield strength of Alloy 20, and stronger than Duplex 2205. An excellent 40°C critical pitting temperature (ASTM G48-Method A), twice that of Alloy 2205.


Principal Features of Alloy 255 Compared To 300 Series Austenitic Stainless Steels.

  • Superior Corrosion Resistance
  • Pitting
  • Crevice Corrosion
  • Chloride Stress Corrosion Cracking
  • General Corrosion In Many Environments
  • Good Ductility
  • High Strength-To-Weight Ratio
  • High Fatigue Strength In Marine Environments
  • Superior Abrasion and Cavitation Erosion Resistance
  • High Mechanical Strength - (over twice the yield strength of austenitic stainless steels)
  • Good Fabricability

Characteristics:

Physical Properties
  • Density 0.282 lb/in
  • Specific Gravity 7.81
  • Thermal Expansion
  • Coefficient (68° to 600°F) 6.7X10^-6 in/in/°F
  • Thermal Conductivity (68°F) 105 Btu/sqr ft/hr/°F/in
  • Electrical Resisitivity (68°F) 473 Ohms/cir mil ft
  • Dynamic Modulus of Elasticity 30.5x10^6 psi

Ferralium 255 (UNS-S32550) Super Duplex Steel Grade and Specification UNS: S32550
W. Nr./EN: 1.4507
ASTM: ASTM A479, ASTM A240, ASTM A240

 

Ferralium 255 (UNS-S32550) Super Duplex Steel Properties:

Chemical Properties Of Ferralium 255 (UNS-S32550) Super Duplex Steel
EN. NO. F. NO. C CR MN MO N NI P S SI W CU
Ferralium 255
(S32550)
1.4507F-610.0424.0-27.01.5 MAX0.1-0.254.5-6.56.0-8.00.040 MAX0.030 MAX1.0 MAX1.5

Mechanical Properties Of Ferralium 255 (UNS-S32550) Super Duplex Steel
Grade Tensile Strength
(MPa) min
Yield Strength
0.2% Proof (MPa) min
Elongation
(% in 50mm)
Hardness
Rockwell C (HR C)
Ferralium 255
(UNS-S32550)
7605501532 Max

Price Range : 150.00 - 500000.00 INR


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S32760 Super Duplex Steel Buttweld Fitting

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Product Details:
GradeZERON-100 (UNS-S32760)
Tensile Strength (Mpa)750 min
MaterialStainless Steel
Yield Strength550 (0.2% Proof (MPa) min)
Elongation25 (% in 50mm)

ZERON 100 is a cost-effective super duplex stainless steel which has been designed to cope well in aggressive and harsh environments. Its excellent performance can meet with a variety of applications, and displays effective resistance to stress corrosion cracking and corrosion resistance under warm seawater conditions, along with superior pitting. Because of these features, ZERON 100 has become a popular choice used widely across different industries.


characteristics:
  • Guaranteed corrosion performance (PREn ≥ 40)
  • High resistance to pitting and crevice corrosion
  • Excellent resistance to stress corrosion cracking in both chloride and sour environments
  • High resistance to erosion corrosion and corrosion fatigue
  • Excellent mechanical properties
  • Possibility for weight reduction over austenitic, standard duplex and nickel base alloys Good weldability

 

Specifications:

  • UNS: S32760
  • W. Nr./EN: 1.4501
  • EN: 10028-7, 10088-2, 10088-3, 10272, 10216-5, 10217-7
  • ASTM: A 182 (Grade F55), A 240, A 276, A 314, A 473, A 479, A 789, A 790, A 815, A 890, A 928, A 988, A 995
  • ASME: B16.5, B16.34, B16.47, B31.3, Section VIII Division 1 Case 2244-2, 2245-1, Section III Division 1 Case N-564-2, SA-240, SA- 182 (Grade F55), SA-479, SA -815, SA-789, SA -790 NACE: ISO 15156 / MRO175 Part 3 API: 5LC BSI: PD 5500 - Enquiry Case 5500/87
  • AWS: 5.9
  • AWS CLASSIFICATION: ER2594


UNS-S32760 Super Duplex Steel Properties:

Chemical Properties Of Zeron 100 (UNS-S32760) Super Duplex Steel
EN. NO. F. NO. C CR MN MO N NI P S SI W CU
Zeron 100
(S32760)
1.4501F-550.0324.0-26.01.0 MAX3.0-4.00.2-0.36.0-8.00.030 MAX0.01 MAX1.0 MAX0.5 - 1.00.5 - 1.0


Mechanical Properties Of ZERON-100 (UNS-S32760) Super Duplex Steel
Grade Tensile Strength
(MPa) min
Yield Strength
0.2% Proof (MPa) min
Elongation
(% in 50mm)
Hardness
Rockwell C (HR C)
ZERON-100 (UNS-S32760)75055025

Zeron 100 Super Duplex Steel Processing: VALUE ADDED SERVICES :
  • Annealed
  • Anodising
  • Bending
  • Casting
  • Cutting
  • Centreless Grinding (Cg)
  • Draw & Expansion
  • Drilling
  • Electroplating
  • Extruded
  • Fabricate (With Radiography)
  • Heat Treatment (Hardening & Tempering)
  • Machining (Cnc)
  • Minor Fabrication
  • Pickled
  • Polish (Electro & Commercial)
  • Sand Blasting
  • Threading (As Per Guage)
  • Welding

Typical Application of Duplex Steel Pipe Fittings:
  • Architecture and construction
  • Aerospace
  • Nuclear Power
  • Fertilizers
  • Valve & Pumps
  • Petrochemical
  • Motor industry
  • Food and drink
  • Electronics
  • Transport and traffic
  • Pulp and paper industry
  • Medicine
  • Energy industry
  • Chemicals industry
  • Nickel Alloy in Pulp and Paper

Price Range : 150.00 - 500000.00 INR

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2205 Duplex Steel Buttweld Fitting

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Approx. Rs 150 / NosGet Latest Price

Product Details:
Product TypeDuplex Steel Buttweld Fittings
GradeUNS-S 31803
Tensile Strength (Mpa)650-880 min
MaterialStainless Steel

Duplex 2205 is a two-phase, ferritic, austenitic 22% chromium, 3% molybdenum, 5 to 6% nickel alloyed stainless steel. It is the most widely used duplex stainless steel grade and is characterized by high yield strength, double that of the standard austenitic stainless steel grades. It also demonstrates good fatigue strength, as well as outstanding resistance to stress corrosion cracking, crevice, pitting, erosion, and general corrosion in severe environments.


Overview:

Standard duplex is 22% chromium with UNS S31803/S32205 known as 2205 being the most widely used.


Corrosion Resistance:
  • Due to its high chromium, molybdenum, and nitrogen content, Duplex 2205 demonstrates superior corrosion resistant properties to 316 and 316L in most environments
  • Chromium, molybdenum, and nitrogen content also provide high resistance to pitting and crevice corrosion, even in oxidizing and acidic solutions
  • Resistant to chloride stress corrosion cracking and temperatures of up to about 302°F (150°C)
  • The presence of ferrite provides for good performance of Duplex 2205 in caustic environments

 

Heat Resistance:
  • Similar to other duplex stainless steels, Duplex 2205 has good oxidation resistance at high temperatures
  • Subject to embrittlement when exposed to temperatures above 572°F (300°C) even when exposed for short periods of time; Duplex 2205 is therefore not recommended for use above 572°F (300°C)

2205 Duplex Steel Grade and Specification:
  • UNS S31803, S32205
  • EN number 1.4462
  • EN name X2CrNiMoN 22-5-3
  • W.Nr. 1.4462
  • DIN X2CrNiMoN 22 5 3
  • SS 2377
  • AFNOR Z2.CND22.05.03

 

Specification:

ASTM A815 UNS S31803 Duplex Steel Buttweld Fittings- Buttweld (B/W) Fitting
Sr. No.
MaterialSize
(in mm)
Sch. & Swg.
SpecificationItems
1Seamless15 NB
to
300 NB
Sch. 5
to
Sch. XXs
B/W
ANSI B16.9
Bend (Long & Short)
R=2D,3D,5D,10D Etc
Elbow (180°, 90° & 45°)
Tee (Equal & Unequal)
Reducer (Con & Ecc)
CAP
Stubend (Long & Short)
Nipple (Barrel)
2Welded [ERW]15 NB
to
600 NB
Sch. 5
to
Sch. 80s
B/W
ANSI B16.9
Note:
GradeDuplex 2205Super duplex 2507
Value Added ServicePolish (Electro & Commercial)
Heat Treatment
Annealed & Pickled
Sand Blasting
Machining Etc.
Other FormDairy Fitting, Tube Fitting
Test Certificate
With Manufacturer Test Certificate
Under Third Party Inspection
Specialize Long Bend with Radius – R = 3D, 5D & 10D
Pigabble Bend & As per your drawing

Price Range : 150.00 - 500000.00 INR



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Duplex Steel Fittings

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Approx. Rs 400 / NGet Latest Price

Product Details:
Minimum Order Quantity1 N
ApplicationInduestrial
MaterialStainless Steel
TypeSteel Fittings

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