SMAW-Fe II-G(K)--Fefj详解（SMAW II - Fe -g (K) -- Fefj explanation）

1、SMAW-Fe II-6G(K)-360-Fef3j详解（SMAW II - Fe - 6 g (K) - 360 - Fef3j explanation）SMAW II - Fe - 6 g (K) - 3/60 - Fef3jSMAW electrode arc weldingII - - - - - - - - - - - II type steel6G (K) - - - -45 degree tube, tube (with gasket)3/60 - 3mm thickness of 60FeF3J should be low hydrogen type and alkaline

2、electrodeGTAW - Fe - 6 g - 2/60 - FefS - II 02/11/12Manual tungsten electrode argon arc welding, low alloy steel, 45 degree tube - tube, thickness of 2mm, diameter 60, solid wire.Welding method code - material category - specimen type - test piece thickness - pipe outer diameter - welding rod type/

3、/ / / -sThere are only three codes for the welder operator: method, specimen form, welding element codeTable 1 code of welding procedureWelding codeElectrode arc welding SMAWGas welding OFWTungsten gas shielded welding GTAWFusing welding GMAWSubmerged arc welding SAWElectric slag welding ESWFriction

4、 welding FRWStud welding SWTable 2 classification and code of steelClass code examples of typical steel NumberscarbonplainI Q195 steelQ215Q235 1015202520 r20 g20 g22 g HP245HP265L175L210S205lowusgoldSteel HP295 IIHP325HP345HP365 L245L290L320L360L415L450L485L555S240S290S315recentS385S415S45012 MNG S4

5、8016 mn16 MNG16 MNR15 mnnir15 MNV15 MNVR20 mnmo10 MNWVNB13 mnnimonbr20 mnmonb07 mncrmovr 12 crmo12 crmog15 crmo15 crmor15crmog14 cr1mo14 cr1mor12 cr1mov12 cr1movg12 cr2mo12 cr2mo112 cr2mo1r12 cr2mog12 cr2mowvtib12 cr3movsitib 09 MND09 mnnid09 mnnidr16 MND16 MNDR15 mnnidr20 mnmod07 mnnicrmovdr08 mnni

6、crmovd10 ni3movdMartensite stainless steel, ferritic stainless steel III 1Cr5MoAustenitic stainless steel IV 0cr18ni0cr18ni12mo2ti 0Cr23Ni1300 0 cr18ni9ti cr17ni14mo2 0 cr25ni2000 0 cr18ni11ti 0 cr18ni12mo3ti cr18ni5mo3si200 00 cr18ni10 cr19ni9 cr19ni13mo3 100 cr19ni11 0 cr19ni13mo3 1 cr19ni11ti1 cr

7、23ni18Table 3 specimen form and position code are suitable for welding positionThe test piece of the specimen of the position of the name plate and pipe diameter is greater than600 of pipe plate and pipe diameter is less than600 pipes voids joint and fillet weld positionPosition of weldPlate buttWel

8、d test piece flat welding 1G flatHorizontal welding, horizontal, horizontal and horizontalVertical welding, vertical and horizontal, horizontal and vertical4. Welding 4G leveling, leveling, horizontal and pitchTubular buttThe welding seam test level turns 1G flatVertical fixed 2G, horizontal, horizo

9、ntal, horizontalThe level ofFixed upward welding of 5G flat, stand, elevation, stand, elevation, stand and tiltDownward welding 5GX, stand down, stand up, stand down, stand up, stand down and back45.Fixed upward welding of 6G, horizontal, vertical, elevation, horizontal, vertical, elevation, horizon

10、tal, vertical, elevationDownward welding 6GX, vertical and horizontal, horizontal, vertical, vertical, horizontal, vertical, vertical, horizontal, and upwardTube of voidsThe joint specimen level turns 2FRG flat and the horizontal 2FGVertical fixation welding 2FG flat, cross 2FRG, 2FGVertical fixatio

11、n welding 4FG, horizontal, 4FG, 2FGHorizontal fixed 5FG, horizontal, vertical, 5FG, 2FRG, 2FG45. Fixed 6FG flat, horizontal, vertical and back all positionsStud welding 1 sHorizontal 2 sOverhead welding 4 sTable 4 application of manual welding seam weld specimen and the range of weld metal thickness

12、The thickness of the test piece of the welding seam is applicable to the weld metal thicknessMinimum valueThe butt weld is not limited to 2 times tNot more than 12.Note: t should not be less than 12 and weld is not less than three layerTable 5: the welding seam weld specimen of manual welded pipe is

13、 applicable to the outer diameter range of welding seam welding partsThe outside diameter of tube is applied to the outside diameter of pipe weldingMinimum valueNo limit of 25d25 is less than or equal to D 76Any 76 76 or higherNo limit to more than 300Note: the pipe is welded to the test pieceTable

14、5-1 fitting of manual welded pipe joints is suitable for the scope of pipe Angle joint weldingPipe Angle joint test pieceThe outer diameter D is suitable for welding partsPipe wall thickness of pipe wall thicknessMaximum value of minimum value 25d is not unlimited when S0 is less than or equal to 12

15、, 2t;When S0 is greater than or equal to 12, no limit25 or less D 25 7676, 76 or higherNote: when S0 12 or higher, t should not be less than 12 , and weld shall not be less than 3 layersS0 is the thickness of tube plateTable 6 welding rod type, code name and scope of applicationelectrodeClass electr

16、ode classDo not code the corresponding standard for welding of welding partsTitanium formula F1 E x 03 F1 GB/T5117GB/T5118GB/T983 (except for austenitic and two-phase steel electrode)Cellulose, F2, E by 10, E by 11E times 10 minus X, E times 11 minus X F1, F2Titanium, calcium, F3, E by x (x) -16E ti

17、mes (x) -17 F1, F3Low hydrogen, alkaline F3J E by 15, E by 16E * x 48 18, EE * * 16 x x 15 x, EE * x 48 x 18 x, EE times x times minus 15E times x times minus 16E by x (*) -17 F1, F3, F3JTitanium, calcium, F4, E by x (x) -16E * * * (*) - 17 F4 GB/T983 (austenitic, bi-phase steel electrode)Basic F4J, E by x times (x) -15E times x times minus 16E times x times minus 17 F4, F4JTable 7 welding element codesWelding must be a vegetarian