Estocs ex-fàbrica disponibles per a tubs d'acer inoxidable duplex UNS S32205 segons ASTM A789

Taula de continguts

Tubs d'acer inoxidable duplex ASTM A789 UNS S32205

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, UNS S32750, UNS S32760, SAF® 2205, SAF® 2507, FERRINOX® 225, AMINOX® 225, ZERON® 100
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Type	Seamless / Welded / ERW / EFW / Cold Draw / Hot Finish / Cold Finish
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Outer Diameter Size	Seamless – 1/2″ NB TO 18″ NB Welded / ERW- 1″ NB TO 16″ NB EFW – 8″ NB TO 110″ NB
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Wall Thickness	Schedule 10 to Schedule 160 (3 mm to 100 mm Thickness)
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Length	01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Ends	Plain Ends / Beveled Ends
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Delivery Conditions	As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw, Bright Annealed
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Coating	Electropolish, Mechanical Polish, Satin Finish, Passivated
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Other Testing	Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiograph HIC Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, 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 / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
ASTM A789 UNS S32205 Duplex Stainless Steel Tubes Packaging	Loose / Bundle / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
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

UNS No	Euronorm		Old British		Japanese JIS	Swedish SS
	No	Nom	BS	En
S32205	1.4462	X2CrNiMoN22-5-3	318S13	–	SUS 329J3L	2377

SA 789 UNS S32205 Seamless Tube Size

WT milimeter	OD milimeter	Sch	inches	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	inches	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

Composició química

Nota	C	Mn	Si	P	S	Cr	N	Fè	Més	Ni
S32205	0.030 max	2.00 max	1,00 màxim	0.030 max	0.020 max	22.0 – 23.0	0.14 – 0.20	63.72 min	3.0 – 3.5	4.50 – 6.50

Propietats mecàniques

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

Propietats físiques

Nota	Mean Co-eff of Thermal Expansion (μm/m/°C)			Density (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°C	0-315°C	0-538°C					at 100°C	at 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)
	Working Pressure (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

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

Heat Treatment:

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:

Duplex 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)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

Intergranular Corrosion (IGC) Test

Flaring Test

Hardness Test

Mechanical Testing Such as Tensile of Area

Chemical Analysis – Spectro Analysis

Tub d'acer inoxidable