>Home>Products>15 crmo datenblatt

15 crmo datenblatt

15 crmo datenblatt Applications:

15 crmo datenblatt is extensively used in a variety of industries. 15 crmo datenblatt is widely used in structural applications, including bridges, buildings and construction equipment and more.

15 crmo datenblatt Specification:

Thickness: 6-400 mm Width: 1600-4200 mm Length: 4000-15000mm send e-mail [email protected]

Chat Online
Leave Message

voestalpine B 15 crmo datenblatt#246;hler Welding - Industries - Oil Gas - Oil

Oil Gas Downstream voestalpine B 15 crmo datenblatt#246;hler Welding has more than 30 years of experience in the production of welding consumables for critical process equipment (CPE) and furnace tubes for demanding applications.Amongst others,we provide best-in-class CrMo and X11CrMo9-1,1.7386,A335 P9,X12CrMo9-1 - boiler steel 15 crmo datenblattlt;0.15 0.3 - 0.6 0.25 - 1.00 15 crmo datenblattlt;0.030 15 crmo datenblattlt;0.030 8.0 - 10.0-0.9 - 1.1--X11CrMo9,1.7386 - specification and application.High alloy boiler steel for operation at elevated temperatures supplied in the form of pipes,flanges,bars and forgings with a chromium content of 9% and 1% of Molybdenum.The material shows a martensitic structure after Werkstoffdatenblatt Materials Services Technology,Dieses Datenblatt gilt f 15 crmo datenblatt#252;r warmgewalztes Blech sowie f 15 crmo datenblatt#252;r nahtlose Rohre.Anwendung 0,30 0,701,15 0,400,60 - T S MAG F 15 crmo datenblatt#252;lldraht Union MV CrMo Lichtbogenhand (E) Ph 15 crmo datenblatt#246;nix SH Kupfer 1 K UP Union S 2CrMo / UV 420 TTR

Werkstoffdatenblatt Materials Services Technology

Dieses Datenblatt gilt f 15 crmo datenblatt#252;r Flach- und Langerzeugnisse aus legierten Verg 15 crmo datenblatt#252;tungsst 15 crmo datenblatt#228;hlen. 0,901,20 0,150,30 1.7227 0,0200,040 Mechanische Eigenschaften bei Raumtemperatur im verg 15 crmo datenblatt#252;teten Zustand (+QT) Als Schwei 15 crmo datenblatt#223;zus 15 crmo datenblatt#228;tze kommen Mo- bzw.CrMo-legierte Typen zur Anwendung,die einen geringeren C-Gehalt als die St 15 crmo datenblatt#228;hle VdT 15 crmo datenblatt#220;V-Kennblatt f 15 crmo datenblatt#252;r Schwei 15 crmo datenblatt#223;zus 15 crmo datenblatt#228;tze15 Mo 3 X 8 CrNiMoVNb 16 13 (1.4988) VdT 15 crmo datenblatt#220;V-Wbl.104 Pos.2) 15 NiCuMoNb5(WB 36) Pos.6) NiCr 15 Fe (2.4816) 10 CrMo 910 X 10 Ni Cr Al Ti 3220 (-) VdT 15 crmo datenblatt#220;V-Wbl.412,434 13 CrMo 44 X 5 Ni Cr Ce Nb 3227 (1.4877) VdT 15 crmo datenblatt#220;V-Wbl.497 20 MnMoNi 45 X 20 CrMoV 121Table of materials - EagleBurgmannS S Bume 5 Special cast CrMo-Steel S2 S2 T T 41 Bube 281 1.4462 DLC-coated Carbides U = Tungsten carbides U1 U1 Buka 1 brazed Tungsten carbide,Co-binder U U13 U13 U2 U2 Buka 16 solid Tungsten carbide,Ni-binder U U21 U21 U2 U22 Buka 16 U3 U3 Buka 15 massiv Wolframkarbid,

TECHNICAL DATA SHEET - SPFT

Ni Cr 15 Fe 2.4816 0,04 15,5 min 72 Fe 8.0 180 241 170 552 515 30-35 1150 Alloy 625 N06625 B 444 Ni Cr 22 Mo 9 Nb 2.4856 max 0.03 21,5 9,0 min 58 Nb 3.65 200 276 690 30 1000 Alloy 617 N06617 B 167 Ni Cr 23 Co 12 Mo 2.4663 0,07 22,0 9,0 65,0 Co 12; b 0.001; Al 1.1 230 300 700 35 1000 Alloy 690 N06690 B 163 B 167Stahlguss f 15 crmo datenblatt#252;r allgemeine Anwendungen; DeutscheG26CrMo4 1.7221 GS 25 CrMo 4 1.7218 G34CrMo4 1.7230 GS 34 CrMo 4 1.7220 G42CrMo4 1.7231 GS 42 CrMo 4 1.7225 G30CrMoV6-4 1.7725 GS 30 CrMoV 6 4 1.6582 G35CrNiMo6-6 1.6579 GS 34 CrNiMo 6 1.6582 G32NiCrMo8-5-4 1.6570 GS 30 NiCrMo 8 5 1.6570 4) Angaben zur chemischen Zusammensetzung,zu den mechanischen Eigenschaften,zur W 15 crmo datenblatt#228;rme-Specification Sheet Alloy 316/316L - Sandmeyer SteelALLOY CrMo N PREN 1 15 crmo datenblatt#176;F ( 15 crmo datenblatt#176;C) 15 crmo datenblatt#176;F ( 15 crmo datenblatt#176;C) CCT2 CPT3 15 crmo datenblattlt;27.5 ( 15 crmo datenblattlt;-2.5) 27.5 59 (-2.5) 35.0 (1.7) 110 (43.0) (15.0) 66 (18.9) 149 (65) Composition (Weight Percent) In most applications Alloy 316/316L has superior corrosion resistance to Alloy 304/304L.Process environments that do not corrode Alloy 304/304L will not attack this grade.One

Schwei 15 crmo datenblatt#223;zus 15 crmo datenblatt#228;tze f 15 crmo datenblatt#252;r die Verbindungsschwei 15 crmo datenblatt#223;ung

Union S 1 CrMo 2 + UV 420 TTR Union S 2 CrMo + UV 420 TTR Union S P 24 + UV P24 Thermanit MTS 3 + Marathon 543 Thermanit MTS 616 + Marathon 543 25 25 26 26 26 26 26 B 15 crmo datenblatt#214;HLER FOX FFB B 15 crmo datenblatt#214;HLER FOX FFB-A 10 10 B 15 crmo datenblatt#214;HLER FFB-IG B 15 crmo datenblatt#214;HLER FA-IG Thermanit 35/45 Nb 18 18 18 B 15 crmo datenblatt#214;HLER CN 21/33 Mn-IG B 15 crmo datenblatt#214;HLER FFB-IG 23 23 Thermanit Nicro 182 Thermanit Nicro 82 STAINLESS STEEL LIST OF EQUIVALENCESX 15 CrNiSi 20-12 X 12 CrNi 23-13 X 8 CrNi 25-21 X 5 CrNiMo 17-12-2 X 3 CrNiMo 17-13-3 X 2 CrNiMo 17-12-2 X 2 CrNiMo 18-14-3 X 2 CrNiMo 17-12-3 X 6 CrNiMoTi 17-12-2 X 6 CrNiTi 18-10 X 1 NiCrMoCu 25-20-5 X 6 CrAl 13 X 2 CrTi 12 X 6 Cr 17 X 6 CrMo 17-1 X 20 Cr 13 X 30 Cr 13 X 39 Cr 13 X 46 Cr 13 X 17 CrNi 16-2 1.4372 1.4310 1.4305 1.4301 1.4307 1 SCM415 Steel 15CrMo 1.7262 15CD4.05-JIS G4105(1979 0.150.25 Form of Supply.JIS SCM415 Alloy structural steel,we can supply the SCM415 round bar,steel flat bar,plate,hexagonal steel bar and steel square block.SCM415 steel Round bar can be sawn to your required lengths as one offs or multiple cut pieces.SCM415 Rectangular pieces can be sawn from flat bar or plate to your specific sizes.

SCHWEISSZUS 15 crmo datenblatt#196;TZE F 15 crmo datenblatt#220;R DIE VERBINDUNGSSCHWEISSUNG

15 Avesta 904L ..15 Avesta 2507/P100 ..26 Avesta 2507/P100 ..32 Avesta FCW 2507/P100-PW Union S 1 CrMo 2 + UV 420 TTR / UV 420 TTR-W ..37 Union S 1 CrMo 2 + UV 420 TTR / UV 420 TTR-W ..40 Union S 2 CrMo + UV 420 TTR / UV 420 TTR-W S355j2 n dichte,s355j2(+n) 1Translate this pageWiderstand 0,15 mm 2/m Haftungsausschluss Da die Werte je nach Verarbeitung variieren k 15 crmo datenblatt#246;nnen,sind die genannten Werte lediglich Richtwerte und ohne Garantie.stauberstahl.Title 1.0570 S355J2+N (ST 52-3) - Werkstoff 1.0570 Datenblatt Author.S355J2+N (ST 52-3) Stahl Gruppe Unlegierter Baustahl.Produktinformation precidur 42CrMo4 - thyssenkruppmin.0,38 0,10 0,60 0,90 0,15 max.0,45 0,40 0,80 0,020 0,010 1,20 0,30 weitere Sonderanalysen lieferbar Mechanische Eigenschaften Pr 15 crmo datenblatt#252;frichtung l 15 crmo datenblatt#228;ngs zur Walzrichtung Zugfestigkeit R m [MPa] Bruchdehnung A 5 [%] Walzzustand 15 crmo datenblatt#216; 750 min.12 GKZ-gegl 15 crmo datenblatt#252;ht max.640 min.23 Eingeschr 15 crmo datenblatt#228;nkte Festigkeitsspannen k 15 crmo datenblatt#246;nnen auf Wunsch vereinbart werden

Previous123456NextPauly Stahlhandel

The material DIN/EN-X12CrMo9-1 and its material properties can be viewed here on this page.On this page you will find informations about material called X12CrMo9-1 (DIN/EN),as long as we have them..X12CrMo9-1 Steel Material (DIN/EN)Material Data Base - MSC Industrial Direct280-400 15-5 ph 1.4540 x4crnicunb164 z6cnu15.05 280-400 15-7 ph 1.4532 x7crnimoal157 z8cnda15.07 120-180 403 1.4000 x6cr13 403s17 z 8 c 12 15 crmo datenblattlt;185 405 1.4002 x 6 cral 13 405s17 z 8 ca 12 140-200 410 1.4006 x12cr13 410s21 z 10 c 13 130-180 410 s 1.4001 x7cr14 403s17 z 8 c 13 ff 180-240 416 1.4005 x12crs13 416s21 z 11 cf 13

Kesselbleche und Druckbeh 15 crmo datenblatt#228;lterst 15 crmo datenblatt#228;hle - thyssenkrupp

CrMo-legierte St 15 crmo datenblatt#228;hle werden zwar vorzugsweise bei h 15 crmo datenblatt#246;heren Temperaturen eingesetzt,jedoch k 15 crmo datenblatt#246;nnen diese St 15 crmo datenblatt#228;hle zu einer Verspr 15 crmo datenblatt#246;dung neigen,wenn sie diesen 1 h 15 h 24 h 60 h 100 h 238 h Ermittlung der Verspr 15 crmo datenblatt#246;dungsneigung von 16Mo3 nach einer Stufengl 15 crmo datenblatt#252;hung gem 15 crmo datenblatt#228; 15 crmo datenblatt#223; DIN EN 10028 0Industeel 0.15 15 crmo datenblattlt; 0.6 0.15-0.40 0.007 0.004 2.0-2.5 0.9-1.10 MECHANICAL PROPERTIES E CrMo 2 B 4 2 H5 EN12070 G CrMo2 EN 12071 T CrMo2 EN 1 2070 S CrMo 2 EN 760 SA FB 1 65 DC/AC A non-exclusive list of suitable filler materials is given hereafter SMAW GMAW FCAW SAW Wire FluxGRUPPI MATERIALE / WERKSTOFFEGRUPPE /4130 1.7218 25 CrMo 4 1717CDS 110 2225 4135 (4137) 1.7220 35 CrMo 4 708 A 37 2234 4142 1.7223 41 CrMo 4 708 M 40 2244 4140 1.7225 42 CrMo 4 708 M 40 2244 4137 1.7225 42 CrMo 4 708 M 40 2244 A387 12-2 1.7337 16 CrMo 4 4 1501 620 2216 - 1.7361 32CrMo12 722 M 24 2240 A182 F-22 1.7380 10 CrMo9 10 1501 622 2218 6150 1.8159 50 CrV 4 735 A 50 2230

GRUPPI MATERIALE / WERKSTOFFEGRUPPE / GROUPES

4130 1.7218 25 CrMo 4 1717CDS 110 2225 4135 (4137) 1.7220 35 CrMo 4 708 A 37 2234 4142 1.7223 41 CrMo 4 708 M 40 2244 4140 1.7225 42 CrMo 4 708 M 40 2244 4137 1.7225 42 CrMo 4 708 M 40 2244 A387 12-2 1.7337 16 CrMo 4 4 1501 620 2216 - 1.7361 32CrMo12 722 M 24 2240 A182 F-22 1.7380 10 CrMo9 10 1501 622 2218 6150 1.8159 50 CrV 4 735 A 50 2230G-X300CrMo15-3 steelTool Die Steels Inc.Stainless Steel,Special Steel,Compressor Blading,Turbine Blading,Superalloy Supplier.G-X300CrMo15-3 Round Bar G-X300CrMo15-3 Flat Bar G-X300CrMo15-3 Hollow Bar G-X300CrMo15-3 Tube / Pipe G-X300CrMo15-3 Sheet / Plate G-X300CrMo15-3 Strip / Coil G-X300CrMo15-3 Wire G-X300CrMo15-3 Forging G-X300CrMo15-3 Tube / Pipe TEL:+86-13880247006Filler Metals Bestseller for Joining ApplicationsPhoenix Chromo 1 EN ISO 3580-A E CrMo 1 B 42 H5 E8018-B2 37 Phoenix SH Chromo 2 KS EN ISO 3580-A E CrMo 2 B 42 H5 E9015-B3 38 Thermanit X EN ISO 3581 E 18 8 Mn B 2 2 E307-15 (mod.) 26 B 15 crmo datenblatt#214;HLER FOX A 7-A EN ISO 3581 E Z18 9 MnMo R 3 2 E307-16 (mod.) 27

Explore further

SCM415 Chemical Composition,SCM415 Mechanical Properties steelgrSCM415 Alloy Steel Supply from Taiwan - htsteelmillShort Description Designation by Standards Brand Name Ravne No.Mat.No.DIN EN AISI 16CD4 740 - (15CrMo5) - - Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.16 max.0.40 0.73 1.10 0.25 max.0.30 - - - DescriptionAlloy special structural steel.Datenbl 15 crmo datenblatt#228;tter - kleinmetals1.0715 11 smn 30+c (9 smn 28) s 250 ~ 1213 ~ 11 smn 28 11 smn 30+c 10277-3 jis ~ sum 22Cr-Mo-legierterVerg 15 crmo datenblatt#252;tungsstahl 1.7218/ 1C 0,220,29 Si max.0,40 Mn 0,600,90 Cr 0,901,20 Mo 0,150,30 S max.0,035/0,0200,040 EN10083-3 1.7218/1.7213 25CrMo4/25CrMoS4 EN10263-4 1.7218/1.7213 25CrMo4/25CrMoS4 EN10269 1.7218 25CrMo4 BS 708M25,S534,S535,2S124 JIS SCM425 AFNOR 25CD4,25CD4S/25CD4u DIN17200 1.7218/1.7213 25CrMo4/25CrMoS DIN1654Teil4 1.7218 25CrMo4 SIS 2225

China 42crmo4 Qt,42crmo4 Qt Manufacturers,Suppliers

China 42crmo4 Qt manufacturers - Select 2021 high quality 42crmo4 Qt products in best price from certified Chinese manufacturers,suppliers,wholesalers and factory on Carbon steel bar material - GNS NederlandQuenched and tempered,annealed or unthreated in a.o.1.7228 50 CrMo 4,1.6511 36 CrNiMo 4,1.6582 34 CrNiMo 6,1.6580 30 CrNiMo 8,1.6959 35NiCrMoV12-5,1.8159 51 CrV 4,1.5122 37MnSi5,1.5530 20 MnB 5,1.5531 30 MnB 5,1.5532 38 MnB 5,1.5529 27 MnCrB 5,1.7185 33 MnCrB 5-2,1.7189 39 MnCrB 6-2,1.1141 C 15 E,1.5752 15NiCr13,1.5918 50CrMo4 - OvakoMaterial data sheet Steel grade Last revised Thu,01 Oct 2020 13:05:50 GMT 50CrMo4 All General Information Ovako 528E and 528Q is a high tensile quench

42CrMo4,40Cr,Stahl Rod-Stange der runden Induktions

Translate this pageHohe Qualit 15 crmo datenblatt#228;t 42CrMo4,40Cr,Stahl Rod-Stange der runden Induktions-20MnV6 f 15 crmo datenblatt#252;r schwere Maschine de la Chine,Induktion verh 15 crmo datenblatt#228;rtete Stange Produktmarkt,Mit strenger Qualit 15 crmo datenblatt#228;tskontrolle Induktion verh 15 crmo datenblatt#228;rtete Stange usines,Hohe Qualit 15 crmo datenblatt#228;t produzieren 42CrMo4,40Cr,Stahl Rod-Stange der runden Induktions-20MnV6 f 15 crmo datenblatt#252;r schwere Maschine produits.42CRMO4 (+QT) - MEKA SteelMin.0.39 0.1 0.6 - - 0.90 - 0.15 - - - - Max.0.45 0.4 0.9 0.025 0.020 1.20 0.7 0.30 0.30 0.075 0.050 20 15 crmo datenblatt#185; Maximum limit for As is 0.04% 2.3 Homogeneity Each supplier process route must be approved separately.For the approval of ingot or continuous cast material,the procedure described in SP,D33 General,section Steelmaker Metallurgical 4140 Steel Bar AISI A29 1.7225 42CrMo4 SCM440 - Otai AISI 4140 steel bar is widely used as tool steel in industrial applications.And we are professional astm 4140 steel alloy supplier,stockist and exporter.

35CrMo Steel Chemical composition,Metal Properties

This page cover the 35CrMo steel grades Mechanical Properties,Chemical Element,Cross Reference of China GBT 35CrMo Materials,Application China structural steel and alloy steel,35CrMo Steel Chemical Composition,Mechanical Properties 35CrMo Steel.35CrMo steel is a Chinese alloy steel for engineering purpose,it has high durability and creep strength at high temperature,and low temperature impact toughness is good.The working temperature is up to 500 15 crmo datenblatt#176;C,the low temperature can be -100 15 crmo datenblatt#176;C,and has high static strength and high fatigue strength,good hardenability,no tendency to overheat,small quenching deformation 34CrMo4 Alloy Structural Steel - Alloy Steel Tool Steel 34CrMo4 alloy structural steel stockholders and suppliers from china.OTAI SPECIAL STEEL Supply in DIN 34CrMo4 steel round bar,plate,sheet,square bar,flat bar,pipe .We have large stock in warehouse.34CrMo4 main Alloy composition is Cr and Mo.

30CrMo4 / 1.7216 - SteelNumber - Chemical composition

0.15 - 0.3 New opportunities for buyers! Post free buying requirement of steel 30CrMo4 (1.7216) Mechanical properties of steel 30CrMo4 (1.7216) Nominal thickness (mm) to 8 8 - 20 20 - 50 50 - 80 Rm - Tensile strength (MPa) (+QT) 950 850 750 700 Nominal thickness (mm) to 8 8 - 20 20 - 50 24CrMo5 datasheet,24CrMo5 chemical,24CrMo5 heat2014-10-11 09:15:09 Origin Remark0 Click 24CrMo5 Steels Ex-stock,Alloy 24CrMo5 Suppliers,Properties 24CrMo5 Forging Bar Plate,24CrMo5 Technical specifications Melting,ESR VAR technique,Hot blooming,Hot forging,Hot rolling,Heat treatment,Straightening,Ultrasonic flaw23MNCRMO5 - OvakoYoungs module (GPa) Poisson 15 crmo datenblatt#180;s ratio (-) Shear module (GPa) Density (kg/m3) 210 0.3 80 7800 Average CTE 20-300 15 crmo datenblatt#176;C ( 15 crmo datenblatt#181;m/m 15 crmo datenblatt#176;K) Specific heat capacity 50/100 15 crmo datenblatt#176;C (J/kg 15 crmo datenblatt#176;K)

20CrMo Steel Equivalent,Chemical Composition,Mechanical

20CrMo Alloy Steel.GB 20CrMo steel is a kind of Chinese alloy steel for engineering and mechanical structure purpose,which is generally used in quenching or tempering or carburizing and quenching.20CrMo material has high heat strength,good hardenability,no temper brittleness,cold strain plasticity,good machinability and weldability..Applications18CrMo4 / 1.7243 - SteelNumber - Chemical composition 0.15 - 0.25 New opportunities for buyers! Post free buying requirement of steel 18CrMo4 (1.7243) Mechanical properties of steel 18CrMo4 (1.7243) Nominal thickness (mm) to 16 Rm - Tensile strength (MPa) hardening and tempering at 200 1100 Nominal thickness (mm) to 160 Rm - Tensile 18CrMo4 / 1.7243 - SteelNumber - Chemical composition 0.15 - 0.25 New opportunities for buyers! Post free buying requirement of steel 18CrMo4 (1.7243) Mechanical properties of steel 18CrMo4 (1.7243) Nominal thickness (mm) to 16 Rm - Tensile strength (MPa) hardening and tempering at 200 1100 Nominal thickness (mm) to 160 Rm - Tensile

15crmo tube,Steel 15CrMo Boiler Tubes,DIN 15CrMo

Steel 15CrMo Boiler Tubes suppliers,Manufacturer of DIN 15CrMo Seamless Pipe.Steel 15crmo tube material is a high quality,low alloy structural steel grade.The chemistry of these DIN 17175 15CrMo Pipes contains both chromium and molybdenum.Alloying elements are added to the Steel 15CrMo Tubes in order to achieve certain properties in the material.13CrMo4-5Cr 0,70% 1,15% Mo 0,40% 0,60% Yield point at elevated temperature Test Yield point at elev.temp.Rp0,2 temperature e 16 mm e 15 crmo datenblattgt; 16 mm 50 15 crmo datenblatt#176;C 294 MPa 285 MPa 100 15 crmo datenblatt#176;C 285 MPa 275 MPa 150 15 crmo datenblatt#176;C 269 MPa 260 MPa 200 15 crmo datenblatt#176;C 252 MPa 243 MPa 250 15 crmo datenblatt#176;C 234 MPa 226 MPa 13CrMo4-5Cr 0,70% 1,15% Mo 0,40% 0,60% Yield point at elevated temperature Test Yield point at elev.temp.Rp0,2 temperature e 16 mm e 15 crmo datenblattgt; 16 mm 50 15 crmo datenblatt#176;C 294 MPa 285 MPa 100 15 crmo datenblatt#176;C 285 MPa 275 MPa 150 15 crmo datenblatt#176;C 269 MPa 260 MPa 200 15 crmo datenblatt#176;C 252 MPa 243 MPa 250 15 crmo datenblatt#176;C 234 MPa 226 MPa

12345NextMaterials comparison DIN / EN / ASTM

1.5415 15 Mo 3 16Mo3 A 234 Grade WP1 1.7335 13 CrMo 4 4 13CrMo4-5 A 234 Grade WP11,WP12 1.7380 10 CrMo 9 10 10CrMo9-10 A 234 Grade WP22 1.7362 12 CrMo 19 5 X11CrMo5 A 234 Grade WP5 - - - A 234 Grade WP9 1.4903 - X10CrMoVNb9-1 A 234 Grade WP91 Low temperature 1.5637 10 Ni 14 12Ni14 A 420 Grade WPL31.7225 42 CrMo 4 Cr-Mo-legierter Verg 15 crmo datenblatt#252;tungsstahl EN1.7225 42 CrMo 4 Cr-Mo-legierter Verg 15 crmo datenblatt#252;tungsstahl Aktuelle und veraltete Normen EN 10083 1.7225 / 42 CrMo 4 Chemische Zusammensetzung,Masseanteil in % C Si Mn P S Cr Mo min.0,38 -- 0,60 -- -- 0,90 0,15 max.0,45 0,40 0,90 0,025 0,035 1,20 0,30 Mechanische Eigenschaften bei Raumtemperatur max.HBW im Zustand + S + A 255 241 A Z KV min.min

Get Price or Support

shangwutong
Main Product


More related products


Need more information? Leave a message
Contact us for more details about steel,Our sales manager will contact you for your inquiry within 12 hours.

Get Price or Support

shangwutong