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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 Specification	ASTM A789, ASTM A790, ASTM A928, ASME SA789, ASME SA790, ASME SA928
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Grades	UNS S32205, UNS S31803, EUA S32750, UNS S32760, SAF® 2205, SAF® 2507, FERRINOX® 225, AMINOX® 225, ZERON® 100
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Type	Sense costures / Soldat / ACRE / Efw / Dibuix en fred / Acabat calent / Acabat fred
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Outer Diameter Size	Sense costures – 1/2″ NB a 18″ Nb Soldat / ACRE- 1″ NB a 16″ Nb Efw – 8″ NB a 110″ Nb
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Wall Thickness	Horari 10 per programar 160 (3 mm a 100 gruix mm)
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Length	01 Metre a 12.5 2, Longitud aleatòria única, Doble longitud aleatòria i personalitza la mida.
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Ends	Plain Ends / Extrems bisellats
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Delivery Conditions	As Rolled, Format, Estrès alleujat, Recobert, Endurit, Terrible, Dibuix en fred, Recuperat brillant
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Coating	Electropolish, Poliment mecànic, Acabat satí, Passivated
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Other Testing	Product Analysis, Prova de tensió transversal, Prova aplanant, Prova de gravat, Examen de la radiografia hic, Estabilitzar el tractament tèrmic, Prova de corrosió intergranular, Prova de decadència de soldadura, Detecció de partícules magnètiques, Prova de mida del gra, Cul 0175, Grau de doble, Pwht (Post Tractament tèrmic de soldadura), Prova de flaire, Test de doblegar, Prova de duresa, Tensile Test etc
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Dimension	All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM And ASME
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Value Added Services	Draw / Expansió / Mecanitzat / Explosió de sorra / Volada de tir / Tractament tèrmic
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Packaging	Loose / Embolicar / Palet de fusta / Caixa de fusta-A / Embolcalls de tela de plàstic / Gorres finals de plàstic / Protector bisellat
Shipment & Transportation	By Road – Truck / Train, By Sea – Break-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 Air – Freighter Civil Passenger and Cargo Planes
Material Test Certificate	Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV,

Equivalent of ASTM A789 UNS S32205

UNA No	Euronorm		Vell britànic		Japonès he	Ss suecs
	No	Nom	BS	Dins de
S32205	1.4462	X2CrNiMoN22-5-3	318S13	–	SUS 329J3L	2377

SA 789 UNS S32205 Seamless Tube Size

WT milimeter	OD milimeter	Sch	polzades	Kg/meter
3.38	33.40	40S	1	2.54
4.55	33.40	80S	1	3.29
6.352	33.40	160	1	4.30
2.77	42.16	10S	1¼	2.73
3.56	42.16	40S	1¼	3.44
4.85	42.16	80S	1¼	4.53
6.352	42.16	160	1¼	5.69
2.77	48.26	10S	1½	3.16
3.68	48.26	40S	1½	4.11
5.08	48.26	80S	1½	5.49
2.77	60.33	10S	2	3.99
3.91	60.33	40S	2	5.52
5.54	60.33	80S	2	7.60
8.742	60.33	160	2	11.29
3.05	73.03	10S	2½	5.35
5.16	73.03	40S	2½	8.77
7.01	73.03	80S	2½	11.59
3.05	88.90	10S	3	6.56
5.49	88.90	40S	3	11.47
7.62	88.90	80S	3	15.51
1.65	13.72	10S	1/4	0.50
2.24	13.72	40S	1/4	0.64
3.02	13.72	80S	1/4	0.81
1.65	17.15	10S	3/8	0.64
2.31	17.15	40S	3/8	0.86
3.20	17.15	80S	3/8	1.12
2.11	21.34	10S	1/2	1.02
2.77	21.34	40S	1/2	1.29
3.73	21.34	80S	1/2	1.65
2.11	26.67	10S	3/4	1.30
2.87	26.67	40S	3/4	1.71
3.91	26.67	80S	3/4	2.23
2.77	33.40	10S	1	2.13
11.132	88.90	160	3	21.67
3.05	101.60	10S	3½	7.53
5.74	101.60	40S	3½	13.78
8.08	101.60	80S	3½	18.92
3.05	114.30	10S	4	8.50
6.02	114.30	40S	4	16.32
8.56	114.30	80S	4	22.67
13.492	114.30	160	4	34.05
6.55	141.30	40S	5	22.10
9.53	141.30	80S	5	31.44
15.882	141.30	160	5	49.87
3.4	168.28	10S	6	14.04
7.11	168.28	40S	6	28.69
10.97	168.28	80S	6	43.21
14.27	168.28	120	6	54.75
18.262	168.28	160	6	68.59
8.18	219.08	40S	8	43.20
12.7	219.08	80S	8	65.63
18.23	219.08	120	8	91.30
23.012	219.08	160	8	112.97

Weight Chart of ASME SA 789 UNS S32205 Seamless Tube

WT milimeter	OD milimeter	Sch	polzades	Kg/meter
3.38	33.40	40S	1	2.54
4.55	33.40	80S	1	3.29
6.352)	33.40	160	1	4.30
2.77	42.16	10S	1¼	2.73
3.56	42.16	40S	1¼	3.44
4.85	42.16	80S	1¼	4.53
6.352)	42.16	160	1¼	5.69
2.77	48.26	10S	1½	3.16
3.68	48.26	40S	1½	4.11
5.08	48.26	80S	1½	5.49
2.77	60.33	10S	2	3.99
3.91	60.33	40S	2	5.52
5.54	60.33	80S	2	7.60
8.742)	60.33	160	2	11.29
3.05	73.03	10S	2½	5.35
5.16	73.03	40S	2½	8.77
7.01	73.03	80S	2½	11.59
3.05	88.90	10S	3	6.56
5.49	88.90	40S	3	11.47
7.62	88.90	80S	3	15.51
1.65	13.72	10S	1/4	0.50
2.24	13.72	40S	1/4	0.64
3.02	13.72	80S	1/4	0.81
1.65	17.15	10S	3/8	0.64
2.31	17.15	40S	3/8	0.86
3.20	17.15	80S	3/8	1.12
2.11	21.34	10S	1/2	1.02
2.77	21.34	40S	1/2	1.29
3.73	21.34	80S	1/2	1.65
2.11	26.67	10S	3/4	1.30
2.87	26.67	40S	3/4	1.71
3.91	26.67	80S	3/4	2.23
2.77	33.40	10S	1	2.13
11.132)	88.90	160	3	21.67
3.05	101.60	10S	3½	7.53
5.74	101.60	40S	3½	13.78
8.08	101.60	80S	3½	18.92
3.05	114.30	10S	4	8.50
6.02	114.30	40S	4	16.32
8.56	114.30	80S	4	22.67
13.492)	114.30	160	4	34.05
6.55	141.30	40S	5	22.10
9.53	141.30	80S	5	31.44
15.882)	141.30	160	5	49.87
3.4	168.28	10S	6	14.04
7.11	168.28	40S	6	28.69
10.97	168.28	80S	6	43.21
14.27	168.28	120	6	54.75
18.262)	168.28	160	6	68.59
8.18	219.08	40S	8	43.20
12.7	219.08	80S	8	65.63
18.23	219.08	120	8	91.30
23.012)	219.08	160	8	112.97

Chemical Composition

Grau	C	Mn	I	P	S	Cr	N	F	Mo	En
S32205	0.030 màxim	2.00 màxim	1.00 màxim	0.030 màxim	0.020 màxim	22.0 – 23.0	0.14 – 0.20	63.72 min	3.0 – 3.5	4.50 – 6.50

Propietats mecàniques

Graus	Densitat (g/cm 3)	Densitat (lb/in 3)	Melting Point (°C)	Melting Point (°F)
S32205	7.805	0.285	1420 – 1465	2588 – 2669

Physical Properties

Grau	Mean Co-eff of Thermal Expansion (μm/m/° C)			Densitat (kilogram/m3)	Specific Heat 0 to 100°C ( J/kg.k)	Resistivitat elèctrica (nω.m)	Mòdul elàstic (GPA)	Conductivitat tèrmica (W/m.k)
	0-100°C	0-315°C	0-538°C					a 100 ° C	a 500 ° C
UNS S32205	13.7	14.2	–	782	418	850	190	19	–

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

Tube O.D. (In.)	Wall Thickness Of Tube (Inches)
	Pressió de treball (Psig)
	.028	.120	.035	.109	.095	.049	.083	.065
1/8	7900		10100
1/2			2300			3200		4400
1/4	3700		4800			7000		9500
3/4					4600	2200	4000	3000
5/16			3700			5400		7300
1		4300		3900	3400		2900	2200
3/8			3100			4400		6100

UNS S32205 Duplex Stainless Steel Tubes Corrosion Resistance

Grau 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. Grau 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

Tractament tèrmic:

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

Machinability:

Dúplex 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: A) Use powerful, rigid machines with extremely strong rigid mounting of tools and work piece, B) Minimize vibration by keeping the tool extension as short as possible, C) Use a nose radius on the tool, no longer than necessary, for carbides that have a sharp edge while still providing adequate strength, D) Design machining sequences to always provide for a depth of cut below the work hardened layer resulting from the previous passes.

Aplicacions

1)Chemical process vessels, piping and heat exchangers

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

3)Equips de processament d'aliments

4)Oil field piping and heat exchangers

5)Flue gas desulfurization equipment

ASTM A789 Gr. UNS S32205 Tube Testing

Prova aplanant

Micro and MacroTest

Pitting Resistance Test

Positive Material Identification – PMI Testing

Intergranular Corrosion (IGC) Test

Flaring Test

Prova de duresa

Mechanical Testing Such as Tensile of Area

Chemical Analysis – Spectro Analysis

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