Manufacturer of Hastelloy B2 Buttweld Pipe Fittings. Alloy B2 Pipe Fittings Supplier in India
Unichem Steel & Alloy Pvt. Ltd. is leading Hastelloy DIN 2.4617 Cross manufacturers in India. We are dealing Hastelloy UNS N10665 Seamless Pipe Fittings, Hastelloy B2 Pipe Fittings, ASTM B366 Alloy B2 Elbow & Hastelloy B2 Fittings at best price due to reasonable man hours in India and good source of high quality 8 Inch Hastelloy B2 Reducer at best price available in Mumbai, India. Hastelloy B2 Buttweld Fittings is a nickel molybdenum alloy with significant resistance to reducing environments, such as acetic and phosphoric acids, hydrogen chloride gas and sulfuric. We maintain good stock of Hastelloy B2 Stub End. Our dealer near you will contact you and will provide full information about Hastelloy B2 Buttweld Mitered Pipe Bends. ASME SB366 Alloy B2 Long Stub is a nickel-molybdenum alloy particularly suited for equipment handling reducing chemical environments. We can supply Alloy B2 Short Radius Elbow as we are one of the largest Supplier & Franchisors of ANSI B16.9 Hastelloy B2 Welded Buttweld Fittings in India. This B2 Hastelloy Alloy Reducer can be utilized in the as-welded condition since it resists the formation of grain-boundary carbide precipitates in the weld heat-affected zone.
Stockist of Hastelloy B2 45 Degree Elbow, 90 Degree Elbow, Hastelloy UNS N10665 Seamless Pipe Fittings, Hastelloy DIN 2.4617 Cross, Alloy B2 Eccentric Reducer, Hastelloy B2 Concentric Reducer, Hastelloy WERKSTOFF NR. 2.4617 Pipe Fittings, Hastelloy B2 Equal Tee, Long Stub End, Short Stub End, Hastelloy Alloy B2 End Cap, Pipe Bend, Equal Cross in Mumbai
- Hastelloy N10665 Buttweld Fittings Specifications
- Hastelloy B2 Buttweld Elbow Dimensions
- Why Purchase From Unichem Steel & Alloy Pvt. Ltd.
- In Stock Alloy B2 Pipe Fittings
- Hastelloy B2 Buttweld Fittings Equivalent Grades
- UNS N10665 Pipe Fittings Chemical Composition
- Hastelloy WPHB-2 Butt Weld Pipe Fittings Mechanical Properties
- ASTM B366 UNS N10665 Eccentric Reducer Weight Chart
- ANSI B16.9 Hastelloy B2 Welded Buttweld Fittings Physical Properties
- B2 Hastelloy Buttweld Fittings Manufacturing Standards
- Hastelloy Alloy N10665 Pipe Fittings Applications and Uses
- Ready Stock of Hastelloy B2 Buttweld Pipe Nipple in India
- ASME SB366 Alloy B2 Buttweld Fittings Exporter
- ASTM B366 Hastelloy B2 Buttweld Fittings Supplier
- Hastelloy B2 Buttweld Fittings Angularity Tolerance
- Various Hastelloy B2 Pipe Fittings Types
- Hastelloy B2 Elbow Pipe Fittings
- Hastelloy B2 Equal Tee
- Hastelloy B2 Equal Cross
- B2 Hastelloy Alloy Reducer
- Hastelloy B2 Stub End
- Hastelloy B2 Pipe Bend
- Hastelloy Alloy B2 End Cap
- Hastelloy Alloy B2 Seamless Pipe Fittings
Exporter of UNS N10665 Buttweld Fittings, 2.4617 Butt weld Pipe Fittings, Hastelloy WPHB-2 Butt weld Pipe Fittings, Hastelloy B2 Buttweld Mitered Pipe Bends Supplier in South Africa, Saudi Arabia, Kuwait, Singapore, Malaysia, UAE, Italy, Nigeria, Iraq, Vietnam, Oman, Qatar, Myanmar, Sri Lanka.
Hastelloy N10665 Buttweld Fittings Specifications
Specifications
ASTM B366 / ASME SB366.
Standards / Dimensions
ASME/ANSI B16.9, ASME B16.28, MSS-SP-43.
Size
Seamless Fittings: 1/2″ – 10″, Welded Fittings: 1/2″ – 48″.
Type
Seamless / Welded / Fabricated.
Thickness
20 Swg., 18 Swg., 16 Swg., 14 Swg., 12 Swg., 10 Swg., & Sch. 10, Sch. 40, Sch. 80 etc.
Schedule
Sch 5 TO Sch XXS.
Unichem Steel & Alloy Pvt. Ltd. is supplying Hastelloy B2 180 Deg bend to Turkey, Oman, Sri-Lanka, UAE, UK, Germany, France, Israel, Sweden, Thailand, USA, Australia, Egypt, Kuwait, Qatar, Iran, Malaysia, Singapore, Bahrain, Russia, Italy, Canada, Indonesia & Saudi Arabia. B2 Hastelloy End Cap is a nickel-base wrought alloy with excellently Alloy B2 Pipe Fittings also has excellent resistance to pitting and stress corrosion cracking resistance to hydrochloric acid at all concentrations and temperatures. Hastelloy B2 45 degree Elbow also has excellent resistance to pitting and stress corrosion cracking.
Various Hastelloy B2 Pipe Fittings Types
ANSI B16.9 Hastelloy B2 Buttweld Elbow, 2.4617 Buttweld 90 Degree Elbow, B2 Buttweld Elbow, N10665 Buttweld 45 Degree Elbow Supplier, ASTM B366 Alloy B2 Buttweld Elbow Manufacturer in Mumbai India
Hastelloy B2 Elbow Pipe Fittings
ANSI B16.9 Hastelloy B2 Buttweld Tee, N10665 Buttweld Unequal Tees Supplier, B2 Buttweld Tee, ASTM B366 Alloy B2 Buttweld Tee Manufacturer in Mumbai India
Hastelloy B2 Equal Tee
ANSI B16.9 Hastelloy B2 Buttweld Cross, N10665 Buttweld Equal Cross Supplier, B2 Buttweld Cross, ASTM B366 Alloy B2 Buttweld Cross Manufacturer in Mumbai India
Hastelloy B2 Equal Cross
ANSI B16.9 Hastelloy B2 Buttweld Reducer, ANSI B16.9 B2 Reducer, B2 Buttweld Reducer, 2.4617 Buttweld Reducer, N10665 Buttweld Reducer Supplier, ASTM B366 Alloy B2 Buttweld Reducer Manufacturer in Mumbai India
B2 Hastelloy Alloy Reducer
ANSI B16.9 Hastelloy B2 Buttweld Stub End, N10665 Buttweld Stub End, 2.4617 Long Stub End, B2 Buttweld Stub End Supplier, ASTM B366 Alloy B2 Shot Stub End Manufacturer in Mumbai India
Hastelloy B2 Stub End
ANSI B16.9 Hastelloy B2 Buttweld Bend, N10665 Buttweld Long Radius Bend Supplier, B2 Buttweld Bends, ASTM B366 Alloy B2 Piggable Bend Manufacturer in Mumbai India
Hastelloy B2 Pipe Bend
ANSI B16.9 Hastelloy B2 End Caps, ASME SB366 Hastelloy B2 Ball Caps, Hastelloy B2 Oval Caps Supplier in Mumbai, India
Hastelloy Alloy B2 End Cap
ANSI B16.9 Hastelloy B2 Pipe Fittings, ASME SB366 Alloy B2 Butt weld Pipe Fittings Supplier in Mumbai, India
Hastelloy Alloy B2 Seamless Pipe Fittings
Hastelloy B2 Buttweld Elbow Dimensions
Why Purchase From Unichem Steel & Alloy Pvt. Ltd.
- Unichem Steel & Alloy Pvt. Ltd. strive for quality production of Hastelloy B2 Pipe Fittings. We adequately test raw materials and confirm to ASTM, ASME, DIN, EN, JIS Standards to make the highest quality Hastelloy Pipe Fittings. Hastelloy B2 Buttweld Elbow are provided with 100% Radiography Test Report and Third Party Inspection or Buyer Inspection service is available on finished products.
- Value Added Services are provided such as Epoxy & FBE coating, Sandblasting, Hot dipped galvanizing, Electropolish or other special finishes, Threading, soldering, Custom shape cutting, fabrication services on Alloy B2 Pipe Fittings.
- Supplier and exporter of Hastelloy B2 Seamless Pipe Fittings (Buttweld Elbow, Tee, Reducers, Cross, Bends, End Caps, Stub End, Nipple, Collar, etc) are packaged to ensure that there is no damage during transit. In the case of exports, products are packed in wooden cases. All Hastelloy 45 degree Elbow are marked with Size, Lot No, Grade, Degree, and our trademark. On special requests we make custom marking on pipe fittings.
- Unichem Steel & Alloy Pvt. Ltd. is an expert in manufacturing of custom size Hastelloy B2 Buttweld Fittings with accurate dimensions and uniform wall thickness.
- We are presently equipped with modern manufacturing equipment and inspection tools such as Lathe Machines, Milling Machine, Heating & Annealing Furnaces, forging and deep drawing presses, machining, finishing, and testing facilities. In order to maintain reliability and quality of our ANSI B16.9 Hastelloy B2 Welded Buttweld Fittings, ASTM B366 B2 Hastelloy Buttweld Fitting and Nickel Alloy B2 Pipe Fittings.
- Call us for free sample & Price List of Hastelloy B2 Buttweld Mitered Pipe Bends from ½” NB to 48” NB in Sch 10s, 40s, 80s, 160s, XXS In order to meet the off-hand requirement of our clients.
ASTM B366 UNS N10665 Eccentric Reducer Weight Chart
Nominal Diameter | Outside Diameter | End to End | ||
D1*D2 | ||||
DN | NPS | Series A | Series B | H |
20*15 | 3/4*1/2 | 26.9*21.3 | 25*18 | 38 |
20*10 | 3/4*3/8 | 26.9*17.3 | 25*14 | 38 |
25*20 | 1*3/4 | 33.7*26.9 | 32*25 | 51 |
25*15 | 1*1/2 | 33.7*21.3 | 32*18 | 51 |
32*25 | 1.1/4*1 | 42.4*33.7 | 38*32 | 51 |
32*20 | 1.1/4*3/4 | 42.4*26.9 | 38*25 | 51 |
32*15 | 1.1/4*1/2 | 42.4*21.3 | 38*18 | 51 |
40*32 | 1.1/2*1.1/4 | 48.3*42.4 | 45*38 | 64 |
40*25 | 1.1/2*1 | 48.3*33.7 | 45*32 | 64 |
40*20 | 1.1/2*3/4 | 48.3*26.9 | 45*25 | 64 |
40*15 | 1.1/2*1/2 | 48.3*21.3 | 45*18 | 64 |
50*40 | 2*1.1/2 | 60.3*48.3 | 57*45 | 76 |
50*32 | 2*1.1/4 | 60.3*42.4 | 57*38 | 76 |
50*25 | 2*1 | 60.3*33.7 | 57*32 | 76 |
50*20 | 2*3/4 | 60.3*26.9 | 57*25 | 76 |
65*50 | 2.1/2*2 | 73.0*60.3 | 76*57 | 89 |
65*40 | 2.1/2*1.1/2 | 73.0*48.3 | 76*45 | 89 |
65*32 | 2.1/2*1.1/4 | 73.0*42.4 | 76*38 | 89 |
65*25 | 2.1/2*1 | 73.0*33.7 | 76*32 | 89 |
80*65 | 3*2.1/2 | 88.9*73.0 | 89*76 | 89 |
80*50 | 3*2 | 88.9*60.3 | 89*57 | 89 |
80*40 | 3*1.1/2 | 88.9*48.3 | 89*45 | 89 |
80*32 | 3*1.1/4 | 88.9*42.4 | 89*38 | 89 |
90*80 | 3.1/2*3 | 101.6*88.9 | – | 102 |
90*65 | 3.1/2*2.1/2 | 101.6*73.0 | – | 102 |
90*50 | 3.1/2*2 | 101.6*60.3 | – | 102 |
90*40 | 3.1/2*1.1/2 | 101.6*48.3 | – | 102 |
90*32 | 3.1/2*1.1/4 | 101.6*42.4 | – | 102 |
100*90 | 4*3.1/2 | 114.3*101.6 | – | 102 |
100*80 | 4*3 | 114.3*88.9 | 108*89 | 102 |
100*65 | 4*2.1/2 | 114.3*73.0 | 108*76 | 102 |
100*50 | 4*2 | 114.3*60.3 | 108*57 | 102 |
100*40 | 4*1.1/2 | 114.3*48.3 | 108*45 | 102 |
125*100 | 5*4 | 141.3*114.3 | 133*108 | 127 |
125*90 | 5*3.1/2 | 141.3*101.6 | – | 127 |
125*80 | 5*3 | 141.3*88.9 | 133*89 | 127 |
125*65 | 5*2.1/2 | 141.3*73.0 | 133*76 | 127 |
125*50 | 5*2 | 141.3*60.3 | 133*57 | 127 |
150*125 | 6*5 | 168.3*141.3 | 159*133 | 140 |
150*100 | 6*5 | 168.3*114.3 | 159*108 | 140 |
150*90 | 6*3.1/2 | 168.3*101.6 | – | 140 |
150*80 | 6*3 | 168.3*88.9 | 159*89 | 140 |
150*65 | 6*2.1/2 | 168.3*73.0 | 159*76 | 140 |
200*150 | 8*6 | 219.1*168.3 | 219*159 | 152 |
200*125 | 8*5 | 219.1*141.3 | 219*133 | 152 |
200*100 | 8*4 | 219.1*114.3 | 219*108 | 152 |
200*90 | 8*3.1/2 | 219.1*101.6 | – | 152 |
250*200 | 10*8 | 273.0*219.1 | 273*219 | 178 |
250*150 | 10*6 | 273.0*168.3 | 273*159 | 178 |
250*125 | 10*5 | 273.0*141.3 | 273*133 | 178 |
250*100 | 10*4 | 273.0*114.3 | 273*108 | 178 |
300*250 | 12*10 | 323.9*273.1 | 325*273 | 203 |
300*200 | 12*8 | 323.9*219.1 | 325*219 | 203 |
300*150 | 12*6 | 323.9*168.3 | 325*159 | 203 |
300*125 | 12*5 | 323.9*141.3 | 325*133 | 203 |
350*300 | 14*12 | 355.6*323.9 | 377*325 | 330 |
350*250 | 14*10 | 355.6*273.0 | 377*273 | 330 |
350*200 | 14*8 | 355.6*219.1 | 377*219 | 330 |
350*150 | 14*6 | 355.6*168.3 | 377*159 | 330 |
400*350 | 16*14 | 406.4*355.6 | 426*377 | 356 |
400*300 | 16*12 | 406.4*323.9 | 426*325 | 356 |
400*250 | 16*10 | 406.4*273.0 | 426*273 | 356 |
400*200 | 16*8 | 406.4*219.1 | 426*219 | 356 |
450*400 | 18*16 | 457*406.4 | 478*426 | 381 |
450*350 | 18*14 | 457*355.6 | 478*377 | 381 |
450*300 | 18*12 | 457*323.9 | 478*325 | 381 |
450*250 | 18*10 | 457*273.0 | 478*273 | 381 |
500*450 | 20*18 | 508*457 | 529*478 | 508 |
500*400 | 20*16 | 508*406.4 | 529*426 | 508 |
500*350 | 20*14 | 508*355.6 | 529*377 | 508 |
500*300 | 20*12 | 508*323.9 | 529*325 | 508 |
550*500 | 22*20 | 559*508 | – | 508 |
550*450 | 22*18 | 559*457 | – | 508 |
550*400 | 22*16 | 559*406.4 | – | 508 |
550*350 | 22*14 | 559*355.6 | – | 508 |
600*550 | 24*22 | 610*559 | – | 508 |
600*500 | 24*20 | 610*508 | 630*529 | 508 |
600*450 | 24*18 | 610*457 | 630*478 | 508 |
600*400 | 24*22 | 610*406.4 | 630*426 | 508 |
650*600 | 26*24 | 660*610 | – | 610 |
650*550 | 26*22 | 660*559 | – | 610 |
650*500 | 26*20 | 660*508 | – | 610 |
650*450 | 26*18 | 660*457 | – | 610 |
700*650 | 28*26 | 711*660 | – | 610 |
700*600 | 28*24 | 711*610 | 720*630 | 610 |
700*550 | 28*22 | 711*559 | – | 610 |
700*500 | 28*20 | 711*508 | 720*530 | 610 |
750*700 | 30*28 | 762*711 | – | 610 |
750*650 | 30*26 | 762*660 | – | 610 |
750*600 | 30*24 | 762*610 | – | 610 |
750*550 | 30*22 | 762*559 | – | 610 |
800*750 | 32*30 | 813*762 | – | 610 |
800*700 | 32*28 | 813*711 | 820*720 | 610 |
800*650 | 32*26 | 813*660 | – | 610 |
800*600 | 32*24 | 813*610 | 820*630 | 610 |
850*800 | 34*32 | 864*813 | – | 610 |
850*750 | 34*30 | 864*762 | – | 610 |
850*700 | 34*28 | 864*711 | – | 610 |
850*650 | 34*26 | 864*660 | – | 610 |
900*850 | 36*34 | 914*864 | – | 610 |
900*800 | 36*32 | 914*813 | 920*820 | 610 |
900*750 | 36*30 | 914*762 | – | 610 |
900*700 | 36*28 | 914*711 | 920*720 | 610 |
950*900 | 38*36 | 965*914 | – | 610 |
950*850 | 38*34 | 965*864 | – | 610 |
950*800 | 38*32 | 965*813 | – | 610 |
950*750 | 38*30 | 965*762 | – | 610 |
1000*950 | 40*38 | 1016*965 | – | 610 |
1000*900 | 40*36 | 1016*914 | 1020*920 | 610 |
1000*850 | 40*34 | 1016*864 | – | 610 |
1000*800 | 40*32 | 1016*813 | 1020*820 | 610 |
1050*1000 | 42*40 | 1067*1016 | – | 610 |
1050*950 | 42*38 | 1067*965 | – | 610 |
1050*900 | 42*36 | 1067*914 | – | 610 |
1050*850 | 42*34 | 1067*864 | – | 610 |
1100*1050 | 44*42 | 1118*1067 | – | 610 |
1100*1000 | 44*40 | 1118*1016 | 1120*1020 | 610 |
1100*950 | 44*38 | 1118*965 | – | 610 |
1100*900 | 44*36 | 1118*914 | 1220*920 | 610 |
1150*1100 | 46*44 | 1168*1118 | – | 711 |
1150*1050 | 46*42 | 1168*1067 | – | 711 |
1150*1000 | 46*40 | 1168*1016 | – | 711 |
1150*950 | 46*38 | 1168*965 | – | 711 |
1200*1150 | 48*46 | 1220*1168 | – | 711 |
1200*1100 | 48*44 | 1220*1118 | 1220*1120 | 711 |
1200*1050 | 48*42 | 1220*1067 | – | 711 |
1200*1000 | 48*40 | 1220*1016 | 1220*1020 | 711 |
In Stock Alloy B2 Pipe Fittings
Hastelloy B2 Buttweld Fittings Equivalent Grades
STANDARD | UNS | WERKSTOFF NR. |
Hastelloy B2 | N10665 | 2.4617 |
UNS N10665 Pipe Fittings Chemical Composition
Hastelloy B2 | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
Balance | 0.02 max | 26.0-30.0 | 1.0 max | 0.10 max | 2.0 max | 0.040 max | 0.030 max | 1.0 max | 1.0 max |
Hastelloy WPHB-2 Butt Weld Pipe Fittings Mechanical Properties
Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
9.2 g/cm3 | 1370 °C (2500 °F) | Psi – 51,000, MPa – 350 | Psi -1,10,000, MPa -760 | 40 % |
ANSI B16.9 Hastelloy B2 Welded Buttweld Fittings Physical Properties
Density | 0.333 lb/in.3 |
---|---|
Melting Range | 2430°F to 2520°F |
Specific Heat | 0.090Btu/lb•°F |
Permeability | ≤1.001(200 Oersted) |
Elastic Modulus | 31.4 x 106,ps |
Coefficient of Thermal Expansion | 6.0 µin./in.•°F |
Thermal Conductivity | 64 Btu/ft•h•°F |
B2 Hastelloy Buttweld Fittings Manufacturing Standards
American Steel Pipe Fittings Standard | |
Standard Code | Standard Name |
ANSI ASME B16.9 | Factory-Made wrought steel pipe fittings |
ANSI ASME SA-366 | Forged Durimet pipe fittings |
MSS SP-75 | Forging butt-welding fittings |
ISO 5251 | Hastelloy butt-welding fittings |
ANSI ASME B16.28 | Wrought steel butt-welding short radius elbows and returns |
MSS SP-43 | Wrought Hastelloy butt-welding fittings |
German Steel Pipe Fittings Standard | |
DIN 2616 | Steel butt-welding pipe fittings.reducers |
DIN 2615 | Steel butt-welding pipe fittings.tees |
DIN 2617 | Steel butt-welding pipe fittings.caps |
DIN 2605 | Steel butt-welding pipe fittings.elbows and bends |
Japanese Steel Pipe Fittings Standard | |
JIS B2313 | Steel plate butt-welding pipe fittings |
JIS B2312 | Steel butt-welding pipe fittings |
JIS B2311 | Universal steel butt-welding pipe fittings |
Other Steel Pipe Fittings Standard | |
EN 1025 | 3 Butt-welding pipe fittings |
Hastelloy Alloy N10665 Pipe Fittings Applications and Uses
- Power Plant / Power Generation
- Fertilizers
- Oil & Gas
- Refineries
- Chemical Industry
- Pulp and Paper Industry
- Petrochemicals
- Engineering Project
- Environmental and Water Projects
- Boiler Manufacturers
- Pumps and Valves
- Cement Industries
- Aerospace Industry
- Nuclear Industry
- Construction
- Ship Building Companies
- Thermal Processing
- Pharma Industry
- Off-Shore Oil Drilling Companies
Ready Stock of Hastelloy B2 Buttweld Pipe Nipple in India
Alloy B2 Fittings | Hastelloy B2 Pipe Fitting |
B2 Hastelloy 90 Degree Elbow | Hastelloy UNS N10665 End Cap |
Nickel B2 45 Degree Elbow | Hastelloy DIN 2.4617 Buttweld Fitting |
Nickel Alloy B2 1D Elbow | Hastelloy Alloy B2 Short Stub End |
Hastelloy DIN 2.4617 Stub End | Alloy B2 Pipe Cap |
ASTM B366 UNS N10665 3D Elbow | Hastelloy 2.4617 End Cap |
Hastelloy B2 5D Elbow | Hastelloy 2.4617 Reducer |
Alloy B2 Buttweld Fittings | Hastelloy UNS N10665 Pipe Bend |
Nickel B2 Pipe Fittings | Nickel Alloy B2 Long Stub End |
Hastelloy DIN 2.4617 Eccentric Reducer | Nickel Alloy B2 Long Radius Elbow |
Hastelloy 2.4617 Concentric Reducer | B2 Hastelloy Short Radius Elbow |
Nickel B2 Equal Cross | Alloy B2 Pipe Cap |
Hastelloy UNS N10665 Lateral Tee | ASTM B366 UNS N10665 Cross Tee |
Hastelloy Alloy B2 Reducing Cross | Hastelloy DIN 2.4617 Equal Cross |
Hastelloy B2 Equal Tee | Hastelloy 2.4617 Stub End |
Hastelloy UNS N10665 Concentric Reducer | Nickel B2 5D Elbow |
ASME SB366 Alloy B2 Buttweld Fittings Exporter
ASIA: Bangladesh, Cambodia, India, Indonesia, Japan, Malaysia, Maldives, Myanmar, Singapore, South Korea, Sri Lanka, Taiwan, Thailand, Vietnam.
AFRICA: Algeria, Angola, Egypt, Equatorial Guinea, Gabon, Libya, Nigeria, South Africa, Sudan, The Republic Of Congo.
MIDDLE EAST: Bahrain, Cyprus, Iran, Iraq, Jordan, Kuwait, Oman, Qatar, Saudi Arabia (KSA), Syria, Turkey, United Arab Emirates (UAE), Yemen.
NORTH AMERICA: Bahamas, Canada, Costa Rica, Denmark, Jamaica, Mexico, Panama, Puerto Rico, Trinidad And Tobago, USA.
SOUTH AMERICA: Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Uruguay, Venezuela.
ASTM B366 Hastelloy B2 Buttweld Fittings Supplier
Contact us to get a quick quote for Hastelloy B2 Pipe Fittings.