Athlete Piping Solution is a branded trader and manufacturer of AS F91 Threaded Fittings, which are ferrite, chromium and heat resisting steel. Alloy Steel F91 Threaded Elbow Fittings shouldn’t be used on this unique variety of temperature, except nearly a complete lack of room temperature ductility can also additionally possibly be abided. Sigma segment embrittlement right here on this steel takes place upon elongated time of publicity within the temperature variety of 1000 Deg F to 1300 Deg F. Therefore, unbeaten bending and forming of this alloy is helped through low forming speeds, perimeter grounding and preheating to 250 Deg F to four hundred Deg F. Meanwhile, annealing of this steel while wished ought to be achieved at 1550 Deg F to 1650 Deg F that is in addition accompanied through quick cool.
We supply these Alloy Steel F91 Threaded Tee Fittings in standard sizes, as well as according with specification of our clients. It is an advanced chromium ferrite heat resistant alloy through approach of getting proper resistance to sulfidation, oxidation and different forms of hot corrosion resistant. This unique alloy is maximum commonly used within the variety of 1500 Degree F to 2100 Deg F, even though its excessive yield temperature electricity is tremendously low. As within the employer of different increased chromium ferrite, it embrittles sternly within the variety of Seven-Hundred Deg F to a Thousand Deg F temperature.
Welding of this Alloy Steel F91 Threaded Lateral Tee Fittings can also additionally possibly be completed through conformist methods. Post-heating and Pre-heating of this product to Three Hundred Deg to Six Hundred Deg F is supportive. It has splendid resistance to tumbling sulphurous gases, similarly to splendid resistance to oxidation in air. It as well has a splendid resistance to oil-ash corrosion and resistance to molten copper, lead and tin. It may be welded with none trouble through the usage of maximum of the traditional methods aside from oxyacetylene welding. Dissimilarities in coefficient of thermal increase of base and weld metallic on this steel needs to be taken into deliberation.Specifications | ASTM A182 / ASME SA182 |
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Size | 1/8″ NB to 4″ NB Screwed-Threaded |
Dimensions | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
Class | 2000lb/ 3000lb/ 6000lbs |
From | 90º Elbows, 45º Elbows, Tees, Cross, Couplings, Reducers, Inserts, Caps, Nipples, Unions, Equal Tees & Reducing Tees, Plugs. |
STANDARD | UNS | WERKSTOFF NR. | Trade Name |
Alloy Steel F91 | K90901 | 1.4903 | 9Cr-1Mo-V |
American Steel Threaded Fittings Standard | |
Standard Code | Standard Name |
ANSI ASME SA-182 | Forged fittings |
ANSI ASME B16.11 | Socket-welding and Threaded forged fittings |
MSS SP-79 | Socket-welding reducing Inserts |
MSS SP-83 | Class 3000 steel socket-welding and threaded unions |
MSS SP-95 | Swaged nipples and round plugs |
MSS SP-97 | SW,TH and BW ends for integrally reinforced forged branch outlet |
Looking to Buy Alloy Steel F91 Threaded Fittings from Suppliers, Ask For ready stock of UNS K90901 Threaded Elbow in Mumbai, India.
Grade | C | Mn | Si | P | S | Cr | Mo |
Alloy Steel F91 | 0.08 - 0.12 | 0.3 - 0.6 | 0.5 | 0.01 | 0.02 | 8.5 - 9.5 | 0.85 - 1.05 |
Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
Alloy Steel F91 | 415 | 585 | 20 |
DN | NPS | Center to End NPT Elbow, NPT Tee, NPT Cross A |
Center to End 45 Deg Elbow C |
O.D. of Band H |
Min. Wall Thick. G |
Length of Thread. Minimum (1) |
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---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | Class 2000 | Class 3000 | Class 6000 | B | L2 | ||
6 | 1/8 | 21 | 21 | 25 | 17 | 17 | 19 | 22 | 22 | 25 | 3.18 | 3.18 | 6.35 | 6.4 | 6.7 |
8 | 1/4 | 21 | 25 | 28 | 17 | 19 | 22 | 22 | 25 | 33 | 3.18 | 3.30 | 6.60 | 8.1 | 10.2 |
10 | 3/8 | 25 | 28 | 33 | 19 | 22 | 25 | 25 | 33 | 38 | 3.18 | 3.51 | 6.98 | 9.1 | 10.4 |
15 | 1/2 | 28 | 33 | 38 | 22 | 25 | 28 | 33 | 38 | 46 | 3.18 | 4.09 | 8.15 | 10.9 | 13.6 |
20 | 3/4 | 33 | 38 | 44 | 25 | 28 | 33 | 38 | 46 | 56 | 3.18 | 4.32 | 8.53 | 12.7 | 13.9 |
25 | 1 | 38 | 44 | 51 | 28 | 33 | 35 | 46 | 56 | 62 | 3.68 | 4.98 | 9.93 | 14.7 | 17.3 |
32 | 1-1/4 | 44 | 51 | 60 | 33 | 35 | 43 | 56 | 62 | 75 | 3.89 | 5.28 | 10.59 | 17.0 | 18.0 |
40 | 1-1/2 | 51 | 60 | 64 | 35 | 43 | 44 | 62 | 75 | 84 | 4.01 | 5.56 | 11.07 | 17.8 | 18.4 |
50 | 2 | 60 | 64 | 83 | 43 | 44 | 52 | 75 | 86 | 102 | 4.27 | 7.14 | 12.09 | 19.0 | 19.2 |
65 | 2-1/2 | 76 | 83 | 95 | 52 | 52 | 64 | 92 | 102 | 121 | 5.61 | 7.65 | 15.29 | 23.6 | 28.9 |
85 | 3 | 86 | 95 | 106 | 64 | 64 | 79 | 109 | 121 | 146 | 5.99 | 8.84 | 16.64 | 25.9 | 30.5 |
100 | 4 | 106 | 114 | 114 | 79 | 79 | 79 | 146 | 152 | 152 | 6.55 | 11.18 | 18.67 | 27.7 | 33.0 |
DN | NPS | End to End Couplings W |
End to End Caps P |
O.D. D | End Wall Thick. G Minimum |
Length of Thread. Minimum (1) |
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Class 3000&Class 6000 | Class 3000 | Class 6000 | Class 3000 | Class 6000 | Class 3000 | Class 6000 | B | L2 | ||
6 | 1/8 | 32 | 19 | … | 16 | 22 | 4.8 | … | 6.4 | 6.7 |
8 | 1/4 | 35 | 25 | 27 | 19 | 25 | 4.8 | 6.4 | 8.1 | 10.2 |
10 | 3/8 | 38 | 25 | 27 | 22 | 32 | 4.8 | 6.4 | 9.1 | 10.4 |
15 | 1/2 | 48 | 32 | 33 | 28 | 38 | 6.4 | 7.9 | 10.9 | 13.6 |
20 | 3/4 | 51 | 37 | 38 | 35 | 44 | 6.4 | 7.9 | 12.7 | 13.9 |
25 | 1 | 60 | 41 | 43 | 44 | 57 | 9.7 | 11.2 | 14.7 | 17.3 |
32 | 1-1/4 | 67 | 44 | 46 | 57 | 64 | 9.7 | 11.2 | 17.0 | 18.0 |
40 | 1-1/2 | 79 | 44 | 48 | 64 | 76 | 11.2 | 12.7 | 17.8 | 18.4 |
50 | 2 | 86 | 48 | 51 | 76 | 92 | 12.7 | 15.7 | 19.0 | 19.2 |
65 | 2-1/2 | 92 | 60 | 64 | 92 | 108 | 15.7 | 19.0 | 23.6 | 28.9 |
80 | 3 | 108 | 65 | 68 | 108 | 127 | 19.0 | 22.4 | 25.9 | 30.5 |
100 | 4 | 121 | 68 | 75 | 140 | 159 | 22.4 | 28.4 | 27.7 | 33.0 |
ASME B16.11 Pressure-Temperature | |||||
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Temperature | Class | ||||
150 | 300 | ||||
1/4 – 1 inch. | 1 1/4 – 2 inch. | 2 1/2 – 3 inch. | |||
(oF) | (oC) | ||||
-20 to 150 | -29 to 66 | 300 | 2000 | 1500 | 1000 |
200 | 93 | 265 | 1785 | 1350 | 910 |
250 | 121 | 225 | 1575 | 1200 | 825 |
300 | 149 | 185 | 1360 | 1050 | 735 |
350 | 177 | 150 | 1150 | 900 | 650 |
400 | 204 | – | 935 | 750 | 560 |
450 | 232 | – | 725 | 600 | 475 |
500 | 260 | – | 510 | 450 | 385 |
550 | 288 | – | 300 | 300 | 300 |
MIDDLE EAST Saudi Arabia |
AFRICA Nigeria NORTH AMERICA Usa |
EUROPE Russia |
ASIA India SOUTH AMERICA Argentina |