ASTM A789 UNS S32205 Duplex Stainless Steel Tubes

ASTM A789 UNS S32205 Duplex Stainless Steel Tubes

UNS S32205 is a duplex stainless steel with a microstructure,when heat treated properly,od nearly equare proportions of austenite and ferrite.This microsturcture ensures that S32205 is much more resistant to stress corrosion cracking than SS304 and SS316L.The higher chromium,molybdenum and nitrogen contens give SS2205 significantly improved pitting and crevice-corrosion resistance in the presence of chlorides.SS2205 also has better general corrosion resistance than SS316L in most environment.In addition,SS2205 has a 0.2% Proof Stress of about double that of conventional austenitic stainless steels.

Duplex Steel ASTM A789 UNS S32205 Tubes Specification

ASTM A789 UNS S32205 Duplex Stainless Steel Tubes SpecificationASTM A789, ASTM A790, ASTM A928, ASME SA789, ASME SA790, ASME SA928
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes GradesUNS S32205, UNS S31803, US S32750, UNS S32760, SAF® 2205, SAF® 2507, FERRINOX® 225, AMINOX® 225, ZERON® 100
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes TypeΧωρίς ραφή / Συγκολλημένος / ΣΤΡΕΜΜΑ / EFW / Cold Draw / Hot Finish / Cold Finish
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Outer Diameter SizeΧωρίς ραφή – 1/2″ NB TO 18NB
Συγκολλημένος / ΣΤΡΕΜΜΑ- 1″ NB TO 16NB
EFW – 8″ NB TO 110NB
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Wall ThicknessSchedule 10 to Schedule 160 (3 mm to 100 mm Thickness)
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Length01 Μετρητής προς 12.5 Μετρητές, Μονό Τυχαίο Μήκος, Διπλό τυχαίο μήκος και προσαρμογή μεγέθους.
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes EndsΑπλά άκρα / Λοξοσκεπείς άκρες
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Delivery ConditionsAs Rolled, Formed, Stress Relieved, Διαπυρακτομένος, Hardened, Tempered, Cold Draw, Bright Annealed
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes CoatingΗλεκτροπολυστικός, Μηχανικό γυαλιστικό, Σατέν φινίρισμα, Παθητικοποιημένος
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Other TestingΑνάλυση Προϊόντος, Transverse Tension Test, Flattening Test, Etching Test, Radiograph HIC Examination, Σταθεροποιητική Θερμική Επεξεργασία, Intergranular Corrosion Test, Weld Decay Test, Ανίχνευση Μαγνητικών Σωματιδίων, Grain Size Test, NACE 0175, Διπλός βαθμός, PWHT (ΘΕΡΜΙΚΗ ΕΠΕΞΕΡΓΑΣΙΑ ΜΕΤΑ ΣΥΓΚΟΛΛΗΣΗ), Flare Test, Bend Test, Hardness Test, Δοκιμή εφελκυσμού κλπ
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes DimensionAll Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM And ASME
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Value Added ServicesΙσοπαλία / Επέκταση / Μηχανουργική κατεργασία / Αμμοβολή / Σφαιροβολία / Κατεργασία με θερμοκρασία
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes PackagingΧύμα / Δέσμη / Ξύλινη Παλέτα / Wooden box-a / Πλαστικά υφασμάτινα περιτυλίγματα / Plastic End Caps / Προστατευτικό λοξότμητο
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Shipment & TransportationBy RoadTruck / Train, By SeaBreak-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By AirFreighter Civil Passenger and Cargo Planes
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Material Test CertificateManufacturer Test Certificate As Per EN10204 3.1, 3.2 / Πιστοποιητικό εργαστηριακής δοκιμής από το εγκεκριμένο εργαστήριο NABL. / Under Third Party Inspection Agency Like SGS, TUV,

 

Equivalent of ASTM A789 UNS S32205

UNS NoEuronormOld BritishJapanese JISSwedish SS
ΟχιΟνομαBSEn
S322051.4462X2CrNiMoN22-5-3318S13SUS 329J3L2377

 

SA 789 UNS S32205 Seamless Tube Size

WT milimeterOD milimeterSchinchesKg/meter
3.3833.4040μικρό12.54
4.5533.4080μικρό13.29
6.35233.4016014.30
2.7742.1610μικρό1¼2.73
3.5642.1640μικρό1¼3.44
4.8542.1680μικρό1¼4.53
6.35242.161601¼5.69
2.7748.2610μικρό1½3.16
3.6848.2640μικρό1½4.11
5.0848.2680μικρό1½5.49
2.7760.3310μικρό23.99
3.9160.3340μικρό25.52
5.5460.3380μικρό27.60
8.74260.33160211.29
3.0573.0310μικρό2½5.35
5.1673.0340μικρό2½8.77
7.0173.0380μικρό2½11.59
3.0588.9010μικρό36.56
5.4988.9040μικρό311.47
7.6288.9080μικρό315.51
1.6513.7210μικρό1/40.50
2.2413.7240μικρό1/40.64
3.0213.7280μικρό1/40.81
1.6517.1510μικρό3/80.64
2.3117.1540μικρό3/80.86
3.2017.1580μικρό3/81.12
2.1121.3410μικρό1/21.02
2.7721.3440μικρό1/21.29
3.7321.3480μικρό1/21.65
2.1126.6710μικρό3/41.30
2.8726.6740μικρό3/41.71
3.9126.6780μικρό3/42.23
2.7733.4010μικρό12.13
11.13288.90160321.67
3.05101.6010μικρό3½7.53
5.74101.6040μικρό3½13.78
8.08101.6080μικρό3½18.92
3.05114.3010μικρό48.50
6.02114.3040μικρό416.32
8.56114.3080μικρό422.67
13.492114.30160434.05
6.55141.3040μικρό522.10
9.53141.3080μικρό531.44
15.882141.30160549.87
3.4168.2810μικρό614.04
7.11168.2840μικρό628.69
10.97168.2880μικρό643.21
14.27168.28120654.75
18.262168.28160668.59
8.18219.0840μικρό843.20
12.7219.0880μικρό865.63
18.23219.08120891.30
23.012219.081608112.97

Weight Chart of ASME SA 789 UNS S32205 Seamless Tube

 

WT milimeterOD milimeterSchinchesKg/meter
3.3833.4040μικρό12.54
4.5533.4080μικρό13.29
6.352)33.4016014.30
2.7742.1610μικρό1¼2.73
3.5642.1640μικρό1¼3.44
4.8542.1680μικρό1¼4.53
6.352)42.161601¼5.69
2.7748.2610μικρό1½3.16
3.6848.2640μικρό1½4.11
5.0848.2680μικρό1½5.49
2.7760.3310μικρό23.99
3.9160.3340μικρό25.52
5.5460.3380μικρό27.60
8.742)60.33160211.29
3.0573.0310μικρό2½5.35
5.1673.0340μικρό2½8.77
7.0173.0380μικρό2½11.59
3.0588.9010μικρό36.56
5.4988.9040μικρό311.47
7.6288.9080μικρό315.51
1.6513.7210μικρό1/40.50
2.2413.7240μικρό1/40.64
3.0213.7280μικρό1/40.81
1.6517.1510μικρό3/80.64
2.3117.1540μικρό3/80.86
3.2017.1580μικρό3/81.12
2.1121.3410μικρό1/21.02
2.7721.3440μικρό1/21.29
3.7321.3480μικρό1/21.65
2.1126.6710μικρό3/41.30
2.8726.6740μικρό3/41.71
3.9126.6780μικρό3/42.23
2.7733.4010μικρό12.13
11.132)88.90160321.67
3.05101.6010μικρό3½7.53
5.74101.6040μικρό3½13.78
8.08101.6080μικρό3½18.92
3.05114.3010μικρό48.50
6.02114.3040μικρό416.32
8.56114.3080μικρό422.67
13.492)114.30160434.05
6.55141.3040μικρό522.10
9.53141.3080μικρό531.44
15.882)141.30160549.87
3.4168.2810μικρό614.04
7.11168.2840μικρό628.69
10.97168.2880μικρό643.21
14.27168.28120654.75
18.262)168.28160668.59
8.18219.0840μικρό843.20
12.7219.0880μικρό865.63
18.23219.08120891.30
23.012)219.081608112.97

 

5.Chemical Composition

GradeντοMnΚαιΠμικρόCrΝFeΜοΣε
S322050.030 μέγ2.00 μέγ1.00 μέγ0.030 μέγ0.020 μέγ22.0 – 23.00.14 – 0.2063.72 min3.0 – 3.54.50 – 6.50

 

Μηχανικές Ιδιότητες

ΒαθμοίΠυκνότητα (g/cm 3)Πυκνότητα (lb/in 3)Melting Point (°C)Melting Point (°F)
S322057.8050.2851420 – 14652588 – 2669

Physical Properties

GradeMean Co-eff of Thermal Expansion (μm/m/°C)Πυκνότητα (kilogram/m3)Specific Heat 0 to 100°C ( J/kg.K)Electrical Resistivity (nΩ.m)Elastic Modulus (GPa)Thermal Conductivity (W/m.K)
0-100°C0-315°C0-538°Cat 100°Cat 500°C
UNS S3220513.714.278241885019019

Pressure Rating of A789 Gr. UNS NO. S32205 Welded Tubing

Tube O.D.
(In.)
Wall Thickness Of Tube (ίντσες)
Πίεση Εργασίας (Psig)
.028.120.035.109.095.049.083.065
1/87900 10100     
1/2  2300  3200 4400
1/43700 4800  7000 9500
3/4    4600220040003000
5/16  3700  5400 7300
1 4300 39003400 29002200
3/8  3100  4400 6100

UNS S32205 Duplex Stainless Steel Tubes Corrosion Resistance

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.

UNS S32205 Duplex Stainless Steel Tubes Heat Resistance

The high oxidation resistance property of Grade 2205 is marred by its embrittlement above 300°C. This embrittlement can be modified by a full solution annealing treatment. This grade performs well at temperatures below 300°C.

Welding Characteristics:

1, Possesses good weldability

2, Should not generally be welded without filler metal as this may result in excessive ferrite

Κατεργασία με θερμοκρασία:

1, Annealing temperature range is 1868 to 2012°F (1020 to 1100°C)

2, Cannot be hardened by heat treatment – but Duplex 2205 does work-harden

3, Special consideration is needed to compensate for a higher coefficient of thermal expansion to avoid warping and distortion

Διπλός 2205 μηχανική ικανότητα:

Διπλός 2205 is somewhat more difficult to machine than the 300 series austenitic stainless steels. Higher cutting forces are required and more rapid tool wear is typical. Some guidelines for machining are: ΕΝΑ) Use powerful, rigid machines with extremely strong rigid mounting of tools and work piece, σι) Minimize vibration by keeping the tool extension as short as possible, ντο) Use a nose radius on the tool, no longer than necessary, for carbides that have a sharp edge while still providing adequate strength, ρε) Design machining sequences to always provide for a depth of cut below the work hardened layer resulting from the previous passes.

Applications

1)Chemical process vessels, piping and heat exchangers

2)Pulp mill digesters, bleach washers, chip pre-steaming vessels

3)Food processing equipment

4)Oil field piping and heat exchangers

5)Flue gas desulfurization equipment

ASTM A789 Gr. UNS S32205 Tube Testing

Flattening Test

Micro and MacroTest

Pitting Resistance Test

Positive Material Identification – PMI Testing

Διακοκκώδης Διάβρωση (IGC) Test

Flaring Test

Hardness Test

Mechanical Testing Such as Tensile of Area

Chemical Analysis – Spectro Analysis

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