[email protected] | 50 Guohuai Road, Henan Province, China
Somos una plataforma integral de servicios de mecanizado de acero
Inicio / Acero ASTM / carbon steel pipe pipe 1 2

carbon steel pipe pipe 1 2

Carbon Steel Pipe Sizes 1/2 through 6 NPS Dimensions ...93 rowsSteel Pipe, from 1/2 inch to 144 inch OD, structural pipe, seamless, carbon steel, welded, OD, CW, ERW, DSAW, SMLS, schedule 40, 80. Carbon Steel Pipe Sizes 1/2 through 6 NPS. Carbon Steel Pipe Sizes 20 through 34 NPS.SIZE NPSPIPE O.D.WALL THICKNESSPI...

E-mail: [email protected]

CONSIGUE EL PRECIOENVIAR MENSAJE

1/2 Inch Carbon Steel Seamless Pipe On Sale ZS Steel Pipe

1/2 Inch Carbon Steel Seamless Pipe On Sale 1/2 Inch Carbon Steel Seamless Pipe On Sale 1/2 Steel Pipe Specifications ASTM A106 Seamless Pipes is used in the most critical engineering applications and also in certain applications in the automotive sector. Cangzhou Zhongshun can supply 1/2 1/2 x 2 in WELDED CARBON-STEEL PIPE NIPPLE ConsumersSteel PC Product Hits 25.0 PC SORT CODE 133000 Part Number PHCP_C_50850 Part Number Keywords 0330514407 ; NSB3152 ; 690291044946 ; 69029104494 Product Name WELDED CARBON-STEEL PIPE NIPPLE SIZE 1/2 x 2 in Schedule Rating SCH 80/XH Short Desc Anvil&0330514407 Pipe Nipple, 1/2 in Nominal, 2 in L, Steel, Black Oxide, SCH 80/XH, Domestic Type Pipe 3-1/2" SCH 80 Carbon Steel Pipe - Totten Tubes©2021 Totten Tubes 500 Danlee St, Azusa, California 91702 Phone 1-800-882-3748 Fax 626-812-0113

4.7/5(1.3K)Forged Carbon Steel Pipe Fittings - 1-1/2" 3000# Full carbon steel pipe pipe 1 2

Forged carbon steel pipe fitting dimensions listed are either minimums or set by the factory per ASME B16.11. Contact us for exact dimensional information. NPT threads on forged steel pipe fittings conform to ASME B1.20.1. Forged carbon steel socket weld inserts conform to MSS-SP-79. Forged carbon steel unions conform to MSS-SP-83.4/5(2)Price $141.2Brand Drill America1 in Carbon Steel Pipe Fittings - Grainger Industrial SupplyWhen it comes to 1 in Carbon Steel Pipe Fittings you can count on Grainger. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support.758 likesLocation Lu zhuangzi, Mengcun, Yunnan, China, 061000Followers 7722-1/2 inch Long Radius Heavy Duty 90 degree Carbon Steel carbon steel pipe pipe 1 2Elbow Type Long Radius 90 degree weld on, Material Carbon Steel per ASTM SA-234 Grade B, Dimensions per ASME B16.9, Nominal Pipe Size 2 ½ inch, Outside Diameter carbon steel pipe pipe 1 2

API 5L X52 PSL 1 Carbon Steel Pipe, CS Gr. X52 PSL 2 carbon steel pipe pipe 1 2

May 14, 2018Aspirinox Alloys Inc. is a well-known Carbon Steel API 5L Gr. X52 PSL 1 / PSL 2 Pipes manufacturer & supplier, known for its offerings spanning various industries and sectors. We produce API5L Grade X52 Carbon Steel Pipes in size range of 1/8 26 with respect to national and international standards.ASME/ANSI B36.10/19 - Carbon, Alloy and Stainless Steel carbon steel pipe pipe 1 2A 4 inches (100 mm) Schedule 80 pipe has an outside diameter of 4.500 inches ( 114.30 mm), a wall thickness of 0.337 inches (8.56 mm), giving a bore of 3.826 inches (97.18 mm) Carbon, Alloy and Stainless Steel Pipes - ASME/ANSI B36.10/19 - Imperial Units. For full table with Pipe and Water Weight - rotate the screen!ASTM A333 Grade 3 Seamless Pipe LTCS SA333 Gr 3 Carbon carbon steel pipe pipe 1 2Check Tensile and Yield Strength of A333 Gr 3 Low Temperature Carbon Steel Pipes. Specifications. ASTM A 333, ASME SA 333. Size Range. 1/2 NB to 36 NB. Outer Dimensions. 19.05mm-114.3mm. Wall Thickness. 2.0mm-14 mm.

ASTM A36 Seamless Carbon Steel Pipe A36 Grade B Welded carbon steel pipe pipe 1 2

The specified ASTM A36 Carbon Steel Seamless Pipe could also be used for customary structural purposes. The specification calls for the performance of a heat analysis on the products. The heat analysis is carried out on the Astm A36 Schedule 40 Steel Pipe in order to determine the required chemical composition.Alternative Part Number NSB3152CPS Part Number 76463Brand Name Anvil®Nominal Size 1/2 in1 ½ inch schedule 40 carbon steel carbon steel pipe pipe 1 2 - Pipe Fittings Direct1-1/2" Material Carbon Steel; ID Type Pipe. Related products. 1 ½ inch schedule 80 carbon steel weld on cap. 1 ½ schedule 80 SA-234 carbon steel weld on cap. $6.50. 1 ½ inch 304 Stainless Steel schedule 10 weld on cap. 1 ½ inch A403 304 Stainless Steel schedule 10 weld on cap. $10.93.Author Crystal LiuPipe Nipple,1-1/2"",36"",Carbon Steel - carbon steel pipe pipe 1 2Nipple, Pipe Connection Type Threaded on Both Ends, Pipe Schedule 40, Welded, Galvanized Carbon Steel, Pipe Weld Type Electric Resistance Weld, Pipe Size - Nominal 1 1/2 in, Overall Pipe Length 3 ft, Pipe Thread Type MNPT x MNPT, Max. Pressure 1064 psi @ 650 Degrees F, Inside Dia. (In.) 1

BPD12F14 1/2 In. -14 NPT High-Carbon Steel Pipe Die carbon steel pipe pipe 1 2

Jun 29, 20211/2 In. -14 NPT High-Carbon Steel Pipe Die. Bosch Pipe Dies are ideal for cutting right-hand external threads. The hex head shape is designed for use in die stocks and adjustable wrenches. They can be used for threading rods, bolts, and studs. Made from heat-treated carbon steel, they are rust- and tarnish-resistant tools.CARBON STEEL PIPE DimensionsCARBON STEEL PIPE Dimensions Note 1:For dimensional tolerances refer to ASME B36.10M Equivalent sizes shown in API Specification 5L OD mm Structural Steel Hollow Sections to AS1163 Grade C350 4.8 5.5 6.0 6.4 7.1 8.2 9.3 9.5 12.7 6 1/8 10.3 1.24 1.45 1.73 1.73 2.41 2.41Carbon Steel API 5L Line Pipe, CS API 5L Line Piping carbon steel pipe pipe 1 2ASTM A 333 GR 3 Carbon Steel Pipes & Tubes, ASTM A 333 Gr 6 Low Temperature Pipe & Tubes, CS A 53 Seamless Tubing Supplier, API5L X-42 X-52 X-60 Seamless Pipe, API5L Grade B X-42 X-52 X-60 DSAW/SAW, API5L X-42 X-52 X-60 Seamless Tubes Exporter, Carbon Steel Saw Pipes, ASTM A671 Grade Cc60 Grade Cc70 Efw Pipe Stockist, ASTM A 671 Grade CC 65 EFW Manufacturer in India.

Carbon Steel Pipe & Tubing - Pipe & Tubing - Ferguson

Shop for Carbon Steel Pipe & Tubing at Ferguson. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products.Carbon Steel Pipe Sizes 1/2 through 6 NPS Dimensions carbon steel pipe pipe 1 293 rowsSteel Pipe, from 1/2 inch to 144 inch OD, structural pipe, seamless, carbon steel, welded, OD, CW, ERW, DSAW, SMLS, schedule 40, 80. Carbon Steel Pipe Sizes 1/2 through 6 NPS. Carbon Steel Pipe Sizes 20 through 34 NPS.Carbon Steel Pipe Supplier Saginaw PipeCarbon Steel Pipe Supplier. Saginaw carries a complete inventory of carbon steel pipe, ranging in size from 1/8 inch to 48 inch OD for A252 Grade and A500 Grade Carbon Steel pipe. A106 Grade carbon steel pipe is commonly used in industrial applications with high heat, such as process piping, boiling plants, and refineries.

Carbon Steel Pipes & TubesCS Pipes & TubesCarbon steel carbon steel pipe pipe 1 2

Victor Steel is one of the leading Supplier and Stockholder of high quality Carbon steel pipes & tubes, Carbon Steel Welded pipes & tubes Suppliers in India Call us +91-22-2386 1187 Email [email protected]Category Pipe FittingsProduct Type Full CouplingsMaterial Type Forged Carbon SteelSize (inches) 1.50 (1-1/2")Carbon Steel Pipe Nipples - Quality Pipe ProductsQuality Pipe has one of the largest inventories of carbon steel pipe nipples in the country in schedules 40, 80, 160, and XXH. Were a full service nipple manufacturer with over 40 years experience in cutting and threading pipe. Special end finishes and non-stock finishes are available.Coated Carbon Steel PipeLeading manufacturer and exporter for coated steel pipe, fbe coated pipe, pe coated pipe, concrete coated pipe. Español English Sumbit Inquiry. Contact Us. Sales Team; carbon steel pipe pipe 1 2 (Fusion Bond Epoxy) Coated Pipe, Epoxy Coated Carbon Steel Pipe Application Used for Coal mine,heat and power plant,oil and gas transmission Standard DIN30670,CAN/CSA-Z245 carbon steel pipe pipe 1 2

Drill America 2-1/2 in. -8 Carbon Steel NPT Pipe Tap carbon steel pipe pipe 1 2

Feb 27, 2020Carbon steel pipe taps are designed to clean and or re-thread damaged or Jams pipe threads. The nominal size of a Pipe Tap is that of the pipe fitting to be tapped, not the actual size of the tap. The thread tapers 3/4 of an in./ft. All Pipe Taps furnished with a 2-1/2 in. to 3-1/2 in. thread chamfer.Drill America DWTPT1-1/2 1-1/2"-11-1/2 NPT Pipe Tap carbon steel pipe pipe 1 2Product description. Size:1-1/2"-11-1/2 NPT. Drill America DWTPT series Qualtech carbon steel pipe tap is designed to clean and/or re-thread damaged or jam pipe threads. It is appropriate for threading a wide variety of materials both ferrous and non-ferrous.EN 10025 Grade S355J2G3 Carbon Steel Seamless Pipes, BS What is EN 10025 Grade S355J2G3 Carbon Steel Seamless Pipes? EN 10025 S235JR has a specified En 10025 Steel Chemical Composition of 0.17 0.20 wt.% carbon (depending on thickness), 1.40 wt.% manganese, 0.55 wt.% copper, 0.012 wt.% nitrogen, 0.04 wt.% phosphorous and 0.04 wt.% sulphur.. Steel Grade Bs En 10025 Pipe thickness has a major impact on elongation and yield strength.

Forged Carbon Steel Pipe Fittings - 2 1/2" Half Couplings carbon steel pipe pipe 1 2

FREE ship over $99! Shop great prices on forged carbon steel pipe fittings. Buy 2 1/2 in. 3000# NPT Threaded Half Coupling Forged Carbon Steel Pipe Fitting with dimensions & materials specs listed.Grade A, Grade B, or Grade CName of material Seamless or Welded PipeManufacture Hot-finished or cold-drawnQuantity Feet, centimeters, or number of lengthsCarbon steel pipe fittings - Home FacebookCarbon steel pipe fittings. March 19, 2019 . We can produce elbow, tee,cap,cross, nipple,socket,flange,seamless pipe, and weld pipe. My Whats App/Wechat:0086-13313174639,can you add me?then we can talk about the enquiry easily. [email protected]Images of Carbon Steel Pipe Pipe 1 2 imagesNIBCO - 1/2" Pipe, Carbon Steel Standard Ball Valve carbon steel pipe pipe 1 2The NIBCO 1/2" Pipe, Carbon Steel Standard Ball Valve 1 Piece, Inline - One Way Flow, FNPT x FNPT Ends, Lever Handle, 2,000 WOG can be found within the Ball Valves category. As

Material Carbon SteelSchedule 40Product Type Weld on CapsSize 1-1/2"1 1/2 in x 18 in Galvanized Carbon Steel Nipple, Pipe carbon steel pipe pipe 1 2

1 1/2 in x 18 in Galvanized Carbon Steel Nipple, Pipe Schedule 40. Item # 2WV28. Mfr. Model # 567-180GR. UNSPSC # 40142101. Catalog Page # 2772 2772. Country of Origin Varies. Country of Origin is subject to change. This GRAINGER APPROVED pipe nipple is suitable for use in low-pressure plumbing applications including air, water, oil, natural gas, and steam.Material High carbon steelSize 1/2"-14 NPTQuantity 1Size and Thread 1/2 - 14CARBON STEEL PIPECarbon Steel Pipe. 09cupcrnia 76.2*3 machine accessories pipe. Generally used in outdoor equipment. Weathering steel, namely atmospheric corrosion-resistant steel, Read More >>. Factory price ASTM A53 A36 schedule 10 carbon steel pipe. OverviewQuick DetailsStandard:ASTM, bs, GB, JIS, API, ASTM A106-2006, ASTM A53-2007, ASTM A53M-2007, Read More carbon steel pipe pipe 1 2Pressure Rating Tables for Carbon Steel PipeCARBON STEEL GRADE B PIPES - ASTM A53M, A106M, API 5L, Seamless Outside Wall Diameter Thickness -29 to +38 204 260 343 371 399 427 (DN) (NPS) (mm) (mm) 137.9 137.9 130.3 117.2 113.8 89.6 74.5 15 ½ 21.3 STD 40 2.77 34.5 34.5 32.6 29.3 28.5 22.4 18.6 STD 40 2.87 28.1 28.1 26.5 23.8 23.1 18.2 15.1 XS 80 3.91 39.4 39.4 37.2 33.5 32.5 25.6 21.3

Price $24.74Sturdy, Stainless 1.2m diameter carbon steel pipes for carbon steel pipe pipe 1 2

The 1.2m diameter carbon steel pipes you can find on the site are generally built using hot-dipped technology to prevent rusting and weakening of the structural elements. With seamless welding quality, these 1.2m diameter carbon steel pipes are annealed with nitrogen protection and are polished with utter professionalism. These products are made of robust materials such as carbon steel, stainless Product Type Weld on ElbowsSize 2-1/2"Schedule 80ASTM A106 Gr. C Carbon Steel Pipes, A106 Grade C Seamless carbon steel pipe pipe 1 2We offer these ASTM A106 Grade C Carbon Steel Pipes in a size rage of NPS 1/8 to NPS 48, by means of having nominal wall thickness. Well, pipe having other measurements may perhaps be furnished offered such pipe fulfils in the company of all other requirements of this specification. And pipe ordered under this specification shall be carbon steel pipe pipe 1 2Round Nascent Carbon Steel Pipes, Size 1-2 Inch, Rs 70 carbon steel pipe pipe 1 2Nascent Pipe & Tubes - Offering Round Nascent Carbon Steel Pipes, Size 1-2 Inch at Rs 70/kilogram in Mumbai, Maharashtra. Read about company. Get contact details and address ID 3649829212

SCH 80 Carbon Steel Pipe Schedule 80 API PipeAPI 5L carbon steel pipe pipe 1 2

API 5L Grade B, x42,x46,x52,X56,x56,x60,x70 Carbon Steel Seamless Pipe Sizes Available in Stock with Price. 1/2" NB in Thickness Schedule 20, Schedule 30, Schedule STD, Schedule 40, Schedule 60, Schedule 80, Schedule 100, Schedule 120, Schedule 160, Schedule XXS in A106 Grade B / A53 Grade B / API 5L Grade B / X42,x46,x52,x56,x60,x70,x80SIZE NPSPIPE O.D.WALL THICKNESSPIPE I.D.1/20.840.1090.6223/41.050.1130.82411.3150.1331.0491 1/41.660.1401.380 93 rows on reliantpipesCarbon Steel Pipe Hayward Pipe & Supply Co, IncCarbon Steel Pipe. Hayward pipe carries Carbon Steel Pipe in a variety of types and grades. For mechanical and pressure applications from 1/2" NPS to 4" NPS, A53 Type ERW Grade A pipe is most common specification. For higher pressures and more critical Schedule 160 Pipe |Sch 160 Pipe |Carbon Steel Schedule carbon steel pipe pipe 1 2schedule 160 pipe manufacturers /schedule 160 pipe Exporters / sch 160 carbon steel pipe, Pipe Size Schedule Chart, CARBON STEEL GRADE B PIPES - ASTM A53M, A106M, API 5L, Seamless pressure rating, Standard Pipe Sizes, SCH 160 Carbon Steel Pipe - API 5L Line Pipe, Pipes SCH 160 chart, dimensions, weight and pipe wall thickness

Schedule XS Pipe |Sch XS Pipe |Carbon Steel Schedule carbon steel pipe pipe 1 2

Citizen Metals is India's foremost environmentally conscious manufacturer and supplier of high quality schedule XS Pipe .Over the span of 3 decades, Citizen Metals has become a multi-location Company producing schedule XS Pipe and Stainless steel Pipe Tubes to Heat Exchanger, Boilers and High Temperature Application industries such as Chemical, Petrochemical, Paper & pulp, Refinery, Sizes (ERW) 1/2 NB 24 NBSizes (Seamless) 1/2 NB 60 NBSizes (SAW) 16 NB 100 NBSizes LSAW/DSAW 16OD TO 54 OD (8 MM TO 50 MM THK)API 5L X70 PSL 1 Carbon Steel Pipe, CS Gr. X70 PSL 2 carbon steel pipe pipe 1 2May 14, 2018API 5L Gr. X70 Carbon Steel Pipe, Gr. X70 PSL 1 Carbon Steel ERW / EFW Pipe, PSL 1 Gr. X70 Carbon Steel LSAW Pipe, Gr. X70 PSL 2 Carbon Steel SAW Pipe, Gr. X70 Carbon Steel API 5L Line Pipes Dealer & Exporters. Aspirinox Alloys Inc is the leading manufacturer and supplier of Carbon Steel API 5L Gr. X70 PSL 1 / PSL 2 Pipe. We supply different carbon steel pipe pipe 1 2Sizes (ERW) 1/2 NB 24 NBSizes (Seamless) 1/2 NB 60 NBSizes (SAW) 16 NB 100 NBSizes LSAW/DSAW 16OD TO 54 OD (8 MM TO 50 MM THK)Drill America 2 in. - 11-1/2 Carbon Steel NPT Pipe Tap carbon steel pipe pipe 1 2OverviewReviewsCarbon steel pipe taps are designed to clean and or re-thread damaged or jammed pipe threads. The nominal size of a Pipe Tap is that of the pipe fitting to be tapped, not the actual size of the tap. The thread tapers 3/4 of an inch per foot. All Pipe Taps furnished with a 2-1/2 to 3-1/2 thread chamfer.See more on homedepot5/5(13)Price $61.89Brand Drill America DWTPT1/8-1SET 6 Piece NPT Pipe Tap, Carbon carbon steel pipe pipe 1 2POU1NPTW/DRILL 1" Carbon Steel NPT Pipe Tap and 1-5/32" High Speed Steel Drill Bit Set, POU Series - New 1,401

Steel Pipe - Kelly Pipe

CARBON STEEL PIPE A53 A106 API5L Grade B/C X42 Seamless Pipe (Type S) Size Range 1/8 24 Schedules 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH Grades ASTM A53 Gr B, ASME SA53 Gr B, API-5L Gr B, ASTM A106 Gr B, ASME SA106 Gr B, ASTM A106 Gr C, PSL 1 and PSL2. A53 Grade A & B ERW (Electric Resistance carbon steel pipe pipe 1 2Steel Pipe McMaster-CarrStandard-Wall Steel Pipe Nipplesand Pipe with Right-Handand Left-Hand Threads. Pipe has clockwise (right - hand) threads on one end and counterclockwise (left - hand) threads on the other end. When you use a wrench to turn, connections on both ends tighten at the same time.Sturdy, Stainless 1 2 inch carbon steel pipe schedule 40 carbon steel pipe pipe 1 2The 1 2 inch carbon steel pipe schedule 40 you can find on the site are generally built using hot-dipped technology to prevent rusting and weakening of the structural elements. With seamless welding quality, these 1 2 inch carbon steel pipe schedule 40 are annealed with nitrogen protection and are polished with utter professionalism. These products are made of robust materials such as carbon steel,

Support spacing (span) chart for Carbon Steel piping systems

Sep 06, 2019Pipe support spacing table (chart) for carbon steel pipes. Spans or support spacing are based on maximum pipe deflections of 6.35 mm up to 6" and 12.7 mm for pipe sizes 8" and above. Spans are also provided for pipe deflection of 25 mm for all pipe sizes.Texas Pipe & Supply - Carbon PipeWelded Carbon Pipe. A53 Grade A,API5L Grade B,API5L Grade B /X42/ X52/ X60/ X65,PSL-1,PSL-2; Sizes 1/2- 48 Sch. 10, STD and XH ; Single Random and Double Random Lengths; Seamless Carbon Pipe. ASTM A 53 Grade B,ASTM A 106 Grade B/C,API5L Grade B,API5L Grade B/ X42/ X52/ X60/ X65,ASTM A333 Grade 1/6,ASME,NACE MRO175Videos of Carbon Steel Pipe Pipe 1 2 Watch video on The Home Depot1:32Drill America 5 Piece Carbon Steel NPT Pipe Tap Set, 1/8 in., 1/4 in., 3/8 in.The Home DepotWatch video on The Home Depot1:24Drill America 1/2 in. - 14 in. in. NPT Carbon Steel Hex Pipe Die-DWTHXNPT12The Home DepotWatch video on The Home Depot1:11Drill America 1/2 in. Carbon Steel NPT Pipe Tap and 23/32 in. High Speed SteeThe Home DepotWatch video on The Home Depot1:32Drill America 1/2 in. -14 Carbon Steel NPT Pipe Tap-DWTPT1/2The Home DepotWatch video on The Home Depot1:11Drill America 1/4 in. Carbon Steel NPT Pipe Tap and 7/16 in. High Speed Steel The Home DepotSee more videos of Carbon Steel Pipe Pipe 1 2Carbon Steel Pipe Dimensions and weights144 rowsCarbon Steel Pipe Dimensions and weights Welded and Seamless Steel Pipe Chart 2 -

Voss - M16x1.5 Male Thread x 1/2 Female Thread, Zinc carbon steel pipe pipe 1 2

The Voss M16x1.5 Male Thread x 1/2 Female Thread, Zinc Plated Carbon Steel Industrial Pipe Adapter Male Metric x FNPT can be found within the Industrial Pipe Fittings category. As part carbon steel pipe pipe 1 2WALL THICKNESSPIPE I.D.WEIGHT PER FOOTSTANDARD TO XXHY0.21919.56246.31-0.23919.52250.49-0.25019.50052.78-0.28119.43859.23- 144 rows on reliantpipes2-1/2" SCH 10 Carbon Steel Pipe - Totten Tubes©2021 Totten Tubes 500 Danlee St, Azusa, California 91702 Phone 1-800-882-3748 Fax 626-812-0113carbon steel pipe pipe 1 21 carbon steel pipe4 carbon steel pipe2 in steel pipe4 carbon steel pipe price2 carbon steel pipe dimensions6 inch carbon steel pipecarbon steel pipe price listcarbon steel pipe specifications

galvanized+pipe - Carbon Steel Pipe & Tubing - Ferguson

1/2 in. x 21 ft. A53A Schedule 40 Galvanized Coated Threaded & Coupled Carbon Steel Pipe. 21 ft. x 1-1/4 in. A53A Schedule 40 Galvanized Coated Threaded & Coupled Carbon Steel Pipe (Domestic) 1-1/2 in. x 21 ft. Schedule 10 Galvanized Coated Plain End Carbon Steel Pipe.

Contacto

Con un equipo técnico de producción y procesamiento, brindaremos un servicio profundo para placas / tuberías / bobinas de acero. Deje un mensaje sobre su requisito. Nuestro personal postventa profesional le responderá en 24 horas.

  • E-mail:[email protected]
  • teléfono: 0086-13569929107
  • Dirección: 50 Guohuai Road, Henan Province, China

Ponerse en contacto