ASTM A789 ASME SA 789 SAF2507 UNS S32750 (EN 10216–5 1.4410) Stainless Steel is super duplex stainless steel with 25% الكروم, 4% molybdenum, و 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 : أستم, ASME وAPI
ASTM Specification : أستم 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 : 6.0-630مم
Thickness : 0.5-45مم
جدول : SCH20, القص, SCH40, الأمراض المنقولة جنسيا, Sch80
يكتب : سلس / فدان / ملحومة / ملفقة / CDW
استمارة : Round Pipe/Tube, Square Pipe/Tube, Rectangular Pipe/Tube, Coiled Tube, شكل "U"., لفائف البان كيك, Hydraulic Tube
Length : عشوائي واحد, عشوائي مزدوج & Required Length
End : Plain End, Beveled End, Threaded
ASTM A789-ASME SA789 SAF2507 Equivalent Material
سبيكة | UNS Designation | Werkstoff NR. | تحديد | أفنور | درجة | من | في | 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
ج % | و % | مينيسوتا % | ص % | س % | سجل تجاري % | في % | شهر % | ن % | النحاس % |
0.03 الأعلى | 0.8 الأعلى | 1.2 الأعلى | 0.035 الأعلى | 0.02 الأعلى | 24.0-26.0 | 6.0-8.0 | 3.0-5.0 | 0.24-0.32 | 0.50 الأعلى |
الخصائص الميكانيكية
0.2% Proof Stress (N/mm2) [ksi] minimum | 550[79.8] |
Ultimate Tensile Strength (N/mm2) [ksi] minimum | 800 [116] |
استطالة (%) minimum | 25 |
ardness (HBN) | 270 الأعلى |
Reduction of Cross Section Area (%) | 45 |
Charpy V-notch Impact at ambient Temp (J) [ft.lb] | 80دقيقة [59دقيقة] |
Charpy V-notch Impact at -46°C (J) [ft.lb] | 45av, 35دقيقة [33av, 25.8دقيقة] |
الخصائص الفيزيائية
كثافة (Kg.m-1) | 7810 |
Magnetic Permeability | 33 |
Young’s Modulus (N/mm2) | 199 x 103 |
حرارة نوعية, 20درجة مئوية (J.Kg-1.°K-1) | 475 |
Fracture Toughness, Kq (MPa.m) | 475 |
Specific Electrical Resistance, 20درجة مئوية (µO.m) | 0.80 |
Thermal conductivity, 20درجة مئوية (W.m-1.°K-1) | 14.2 |
Mean coefficient of thermal expansion, 20-100درجة مئوية (°K-1) | 11.1 x 10-6 |
Pressure Rating of Super Duplex 2507 أنبوب
Tube O.D. (In.) | Wall Thickness Of Pipe (Inches) | |||||||
.028 | .035 | .049 | .065 | .083 | .095 | .109 | .120 | |
ضغط العمل (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
Wall | 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
مقاس | Standard Tolerances | |||||
استمارة | Wall | OD | Length and/or coils | OD | Lengths | Wall |
Subsea Umbilical Tubing (ASTM A789 & أستم 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.
المعالجة الحرارية
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.
Applications
Electronics
Transport and traffic
Pulp and paper industry
Medicine
Fertilizers
Valve & Pumps
Petrochemical
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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