ASTM A789-ASME SA789 SAF2507 dupleksterasest torude ladustaja

What is ASTM A789 ASME SA 789 SAF2507 UNS S32750 (EN 10216–5 1.4410) Stainless Steel？

ASTM A789 ASME SA 789 SAF2507 UNS S32750 (EN 10216–5 1.4410) Stainless Steel is 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.

ASTM A789 Super Duplex Steel SAF 2507 Tube Specification :

Dimension : ASTM, ASME and API

ASTM Specification : ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789

ASTM A789 Super Duplex Steel SAF 2507 Tube Size : 1/2″NB TO 12 “NB IN

Seamless Pipe & Tube Size : 1/2” NB – 8” NB

Welded Pipe & Tube Size : 6” NB – 24” NB

Outer Diameter : 6.0-630mm

Thickness : 0.5-45mm

Schedule : SCH20, SCH30, SCH40, STD, SCH80

Type : Seamless / ERW / Welded / Fabricated / CDW

Form : Round Pipe/Tube, Square Pipe/Tube, Rectangular Pipe/Tube, Coiled Tube, “U” Shape, Pan Cake Coils, Hydraulic Tube

Length : Single Random, Double Random & Required Length

End : Plain End, Beveled End, Threaded

ASTM A789-ASME SA789 SAF2507 Equivalent Material

Alloy	UNS Designation	Werkstoff NR.	Spetsifikatsioonid	AFNOR	Hinne	DIN	ET	SS
2507	S32750	1.4410	A/SA789, A/SA790	Z3 CN 25.06 Az	F53	X 2 Cr Ni MoN 25.7.4	1.4410	2328

ASTM A789 S32750 (SAF2507) Stainless Steel Tubes Chemical Composition

C %	Si %	Mn %	P %	S %	Cr %	Ni %	Mo %	N %	Cu %
0.03 max	0.8 max	1.2 max	0,035 max	0,02 max	24.0-26.0	6.0-8.0	3.0-5.0	0.24-0.32	0.50 max

ASTM A789-ASME SA789 SAF2507 dupleksterasest toru Mehaanilised omadused

0.2% Proof Stress (N/mm2 ) [ksi] minimum	550[79.8]
Ultimate Tensile Strength (N/mm2) [ksi] minimum	800 [116]
Elongation (%) minimum	25
ardness (HBN)	270 max
Reduction of Cross Section Area (%)	45
Charpy V-notch Impact at ambient Temp (J) [ft.lb]	80min [59min]
Charpy V-notch Impact at -46°C (J) [ft.lb]	45av, 35min [33av, 25.8min]

ASTM A789-ASME SA789 SAF2507 dupleksterasest toru Füüsikalised omadused

Density (Kg.m-1)	7810
Magnetic Permeability	33
Young’s Modulus (N/mm2)	199 x 103
Specific Heat, 20°C (J.Kg-1.°K-1)	475
Fracture Toughness, Kq (MPa.m)	475
Specific Electrical Resistance, 20°C (µO.m)	0.80
Thermal conductivity, 20°C (W.m-1.°K-1)	14.2
Mean coefficient of thermal expansion, 20-100°C (°K-1)	11.1 x 10-6

Pressure Rating of Super Duplex 2507 Tube

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

Super Duplex 2507 Tubing Size chart

Seina	Sizes ( O.D.)
.010	1/16″ , 1/8″ , 3/16″
.020	1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″
.012	1/8″
.016	1/8″ , 3/16″
.028	1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″
.035	1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.049	3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″
.065	1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″
.083	1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″
.095	1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.109	1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″
.120	1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″
.125	3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″
.134	1″
.250	3″
.375	3 1/2″

Standard Tolerances of UNS S32750 Tube

Suurus			Standard Tolerances
Vorm	Seina	OD	Length and/or coils	OD	Lengths	Seina
Subsea Umbilical Tubing (ASTM A789 & ASTM A790)	0.039″ to 0.125″	3/8″ to 1-1/2″	Cut lengths to 60′ Coils to 1-1/2″ OD*	±0.005″	Coils to 80,000′ (24,384 m)	±10%
Pressure & Corrosion Tubing (ASTM A789)	0.010″ – 0.220″	1/16″ – 4″	Cut lengths up – 40′ Coils to 1-1/2″ OD	<1-1/2″ ±0.005″ 1-1/2″ to 3″ ±0.010″ 3-1/2″to 4″ ±0.015″	Random Upto +2″ Cuts +1/8″ -0″ Coils to 80,000′	±10

Processing

Hot Forming

2507 should be hot worked between 1875 F and 2250 F. This should be followed by a solution anneal at 1925F minimum and a rapid air or water quench.

Cold Forming

Most of the common stainless steel forming methods can be used for cold working 2507. The alloy has a higher yield strength and lower ductility than the austenitic steels so fabricators may find that higher forming forces, increased radius of bending, and increased allowance for springback are necessary. Deep drawing, stretch forming, and similar processes are more difficult to perform on 2507 than on an austenitic stainless steel. When forming requires more than 10% cold deformation, a solution anneal and quench are recommended.

Kuumtöötlus

2507 should be solution annealed and quenched after either hot or cold forming. Solution annealing should be done at a minimum of 1925 F. Annealing should be followed immediately by a rapid air or water quench. To obtain maximum corrosion resistance, heat treated products should be pickled and rinsed.

Rakendused

Electronics

Transport and traffic

Pulp and paper industry

Medicine

Fertilizers

Valve & Pumps

Naftakeemia

Architecture and construction

Aerospace

Nuclear Power

Energy industry

Chemicals industry

Nickel Alloy in Pulp and Paper

Motor industry

Food and drink

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