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EN 14640 AWS A5.7 Material-No UTP A 3436 S Cu 6329 Complex aluminium-bronze rods and - - wires for wear resistant surfacings UTP A 387 S Cu 7158 CuNi rods and wires (Cunifer) with ER CuNi 2.0837 30 % Ni UTP A 389 S Cu 7061 CuNi rods and wires (Cunifer) with - 2.0873 10 % Ni page 292 293 294 267
The welding of copper and copper alloys Copper UTP 39, UTP A 381, UTP A 38 For welding jobs, oxygen free copper according to DIN 1787 (e. g. SF–Cu, SW–Cu and OF–Cu) should be selected since these qualities have the best performance. Of particular importance are the high heat conductibility, the high heat expansion, the tendency to attract gases when liquid and to release these gases again when solidifying. Depending on the size of the part to be welded, the pre-heating temperature of 300 – 700° C may be needed. Such a pre-heating temperature should be maintained during the welding process. The welding with shielding gas is protecting the weld pool better than oxy-acetylene welding and reduces the tendency to porosity. Peening of the weld deposit while still hot increases the tensile strength and improves the ductility. On multi layer deposits, the oxide skin of the previous layer has to be removed before depositing the next layer. Copper-Zinc-alloys (brass, special brass ) DIN 17660, DIN 1709 UTP 32 – UTP A 32, UTP 320 – UTP A 320, UTP 34 – UTP A 34, UTP A 34 MR, UTP A 384 Due to zinc evaporation during welding, porosities in the welding deposit are nearly unavoidable. TIG welding should be done with lowest possible amperage, eventually with a.c. to obtain a cleaning effect. For brass with Al addition, e. g. CuZn20Al (special brass 76) TIG welding (d. c.) with UTP A 34 MR and for red brass (CuSnZnPb), TIG welding with UTP A 384 is particularly suitable. Copper-Tin alloys (tin bronzes) DIN 17662, DIN 1705 UTP 32 – UTP A 32, UTP 320 – UTP A 320 Beside the welding with coated stick electrodes, the MIG/TIG welding is particularly suitable for this alloy group. The low heat conductibility requests a pre-heating from a wall thickness of > 10 mm only. The tendency to pores is low. Mechanical properties and corrosion resistance correspond with the identical base material. For joining thick walled parts it is an advantage to weld from both sides simultaneously. 268
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WELDING CONSUMABLES
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Index 4 page UTP 3 Product Index 5
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Product Index numerical UTP page 19
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Index High corrosion applications H
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Stick electrodes for high corrosion
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Standards EN ISO 18274 Material-No.
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Solid rods and wires for high tempe
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Solid rods and wires for nickel all
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19 Welding consumables for nickel a
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Standards : Material-No. : ~1.4563
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Standards : Material-No. : 2.4621 E
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Standards : EN ISO 14172 : E Ni 106
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Standards : Material-No.. : 1.4563
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Standard : Material-No. : 2.4607 EN
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Standards : Material-No. : ~1.4842
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Standards : Material-No. : ~ 2.4680
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Standards : Wire Material-No. : 2.4
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Standard Special alloy UTP A 8036 F
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Standards Wire Material-No. : 2.480
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88 General wear protection stick el
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UTP 7200 E 7-UM-250-KP Basic coated
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UTP A SUPER DUR W 80 Ni UTP A 34 N
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SK 350-G SK 258-O SK 600-G SK 650-G
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UP solid wires / UP flux combinatio
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UTP 690 E 4-UM-60-ST Rutile coated
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Gas shielded flux cored wires for t
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Solid rods on Cobalt base (Cobalt h
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2.2 104 a) b) Crack welding Crack m
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2.5 Flux metallurgic fabricated ste
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Standards : DIN 8555 : E 1-UM-300 E
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Standards : DIN 8555 : E 1-UM-400 E
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Standards : DIN 8555 : E 6-UM-60 EN
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Standards : DIN 8555 : E 7-UM-200-K
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Standards : DIN 8555 : E 7-UM-250-K
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Standards : DIN 8555 : E 8-UM-300-C
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Standards : DIN 8555 : E 10-UM-60-G
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Standards : DIN 8555 : ~ E 10-UM-60
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Standards : DIN 8555 : E 31-UM-200-
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Standards : Material-No. : 1.8401 D
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Standards : DIN 8555 : WSG 21-GS-60
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Standards : DIN 8555 : G 21-GF-60 G
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UTP-system for mineral wear protect
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Standards : DIN 8555 : MF 1-GF-250
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Standards : DIN 8555 : MF 6-GF-60 E
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Standards : DIN 8555 : MF 6-GF-60-G
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Standards : DIN 8555 : MF 7-GF-200-
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Standards : Material-No. : Special
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Standards : DIN 8555 : E 3-UM-45-T
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Standards : DIN 8555 : E 3-UM-60-ST
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Standards : DIN 8555 : E 4-UM-60-ST
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Standards : DIN 8555 : E 6-UM-60-S
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Standards : EN 14700 : E Z Ni2 180
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Standards : DIN 8555 : MF 3-GF-55-S
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Standards : DIN 8555 : MF 3-GF-40-T
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Standards : DIN 8555 : MF 5-GF-45-C
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Standards : DIN 8555 : G/WSG 20-G0-
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Standards : DIN 8555 : ~ G/WSG 20-G
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Page 221 and 222: 220 Special alloys stick electrodes
Page 223 and 224: UTP 68 HH E Ni 6082 Basic coated, f
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Page 235 and 236: Current type : DC (+) Availability
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Page 245 and 246: Standards : EN ISO 1071 : E C Ni-Cl
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Page 261 and 262: Standards : EN ISO 1071 : R C Z FeC
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Page 265 and 266: 264 Welding consumables for copper
Page 267: Solid rods and wires UTP A 38 S Cu
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Page 279 and 280: Standards : DIN 1733 : ~ E 31-UM-30
Page 283 and 284: Standards : Special alloy Applicati
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Page 293 and 294: Standards : EN ISO 24373 : S CuZ 63
Page 297 and 298: 296 Index Stainless and acid resist
Page 299 and 300: Stick electrodes for stainless and
Page 301 and 302: Solid rods and wires for stainless
Page 303 and 304: Stick electrodes for heat resistant
Page 305 and 306: Welding instruction Total cleanline
Page 307 and 308: 306 Table for use Base materials to
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Standards : EN 1600 : ~ E 22 9 3 N
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Standards : EN 1600 : E 25 9 3 Cu N
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Standards : EN 1600 : ~ E 23 12 2 L
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Standards : EN 1600 : E 25 22 2 N L
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Standards Wire : Material-No. : 1.4
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Standards : Material-No. : 1.4302 A
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360 Index Welding consumables for l
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Stick electrodes for low-alloyed st
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Standard : EN ISO 2560-A : ~ E 38 0
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Standard : EN ISO 2560-A : ~ E 42 5
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Standard : EN ISO 2560-A : E 38 0 R
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Standard : EN ISO 2560-A : E 50 0 B
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Standard : EN ISO 16834-A : G Mn3Ni
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378 Flame spraying powders UTP EXOB
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UTP UNIBOND flame spraying powders
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384 UTP EXOBOND Flame spraying powd
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386 UTP EXOBOND Flame spraying powd
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388 UTP UNIBOND Flame spraying powd
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390 UTP HABOND Flame spraying powde
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396 UTP PTA Metal powders for plasm
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398 Abbreviations and designations
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Alloying and Accompanying Elements
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COBALT ordinal number: 27 crystal s
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MOLYBDENUM ordinal number: 42 cryst
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LEAD ordinal number: 82 crystal str
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TITANIUM ordinal number: 22 crystal
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410 Brinell Vickers Rockwell 80 85
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Stress / Pressure : source target 1
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Work sequences during welding of se
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Welding positions according to DIN
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Hardening and annealing temperature
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Material test certificates accordin
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422 Wire Basket Spool DIN EN ISO 54
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Nickel Nickel alloys 80 M, 80 Ni, 1
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Approvals of UTP welding consumable
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428 All data on our products contai
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UTP HydroCav - UTP Schweissmaterial

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