7/27/2019 WPS - D1.1 - VN

1/1

UBI TOWER SOLE MEMBER CO.,LTD

WPS-001-CCG Rev.: 0 Date/Ngy 04/ 08/ 2011

Supporting PQR No. (s)/Bin bn i km s .--- Rev.: 0

Welding Process (es)/Phng php hn GMAW+SAW Type/Loi Manual/Tay Semi_auto/Bn t ng

Applicable Code/S nhn dng AWS D1.1/ D1.1M:2008 Machine/My Automatic/T ng

JOINTS /Lin kt hn POSITION /T th hn

Type/Loi Butt joint (V-Joint)/Hn gip mi (chV) Position of Groove: 1G Fillet: ---

Single/Hn 1 pha Double Weld/Hn 2 pha T th hn

Backing/Lt y Yes/c No/khng Vertical Progression : Up Down

Backing Material/Vt liu lt y N/A Hng hn ng Di ln Trn xung

Root Opening: 11 mm Root Face Dimension: 21 mm ELECTRICAL CHARACTERISTICS/c trng in

Khe h Mp cn Transfer Mode (GMAW) Short-Circuiting/ngn mch

Groove Angle/Gc rnh hn 60o6

o Radius(J-U)/ Bn knh Dng dch chuyn

Back Gouging/Khot y Yes/c No/khng Globular/Git ln Spray/ Xung

Method/Phng php Grinding/Mi Current/Dng

AC DCEP DCEN Pulsed

BASE MATERIALS/Kim loi c bn Other/Khc

Material Spec/Tiu chun vt liu GB/T 1591-1994 Tungsten Electrode (GTAW) N/A

Type or (Grade)/Mc hoc (cp) Q345C (in cc vonfram (GTAW)

Thickness: Groove/chiu dy gip mi 12-14mm Fillet/gc: --- Size/C -- Type/Loi --

Diameter (Pipe)/ng knh (ng) 600 (mm) TECHNIQUE/K thut hn

FILLER METALS/Vt liu hn Stringer or Weave Bead: Stringer & Weave

AWS Specification/Tiu chn: (GMAW/SAW)A5.18/A5.17 (Hn thng hay giao ng ngang: Hn thng & giao ng ngan

AWSClassification/Loi vt liu:(GMAW/SAW)ER70S-6/EM12K Multi-pass or Single Pass(per side): Multi-pass

Trade name: (Hn nhu lt hay mt lt (mi bn): Hn nhiu lt)

SHIELDING/Bo v Number of Electrodes: Single /Double

Flux/Thuc hn: F7A6 (S-717) GAS/Kh CO2 (S lng in cc: n/i)

Hyundai Composition/T l:99,6 % Electrode Spacing: Longitudinal/Dc: ---

Electrode-Flux (Class) Flow Rate: 15-18 litre/min (Khu in cc) Lateral/Ngang: ---

(Dy hn -Thuc hn) (Lu lng 15-18 lt/pht ) Angle/Gc nghing: ---

F7A6-EM12K/Hyundai Gas cup size/C chp kh: 18mm Contact Tube to Work Distance: 10-15 mm

PREHEAT/Nung nng s b (Khong cch ng tip xc - vt hn)Perheat Tep. Min: Ambient Peening/ Rn ng hn: N/A

(Nhit gia nhit Nh nht: Mi trng xung quanh) Interpass Cleaning: Grinding or chipping and wire brushing

Interpass Temp. Min: Ambient Max/Ln nht 250oC Lm sch gia cc ng hn: Mi hoc dng bn chi(Nhit gia cc lp hn

POSTWELD HEAT TREATMENT/Nhit luyn sau khi hnTemp/Nhit N/A (khng)Time/Thi gian N/A (khng)

140 - 250 24 - 28 90 - 160 2.2 - 2.6

150 - 250 24 - 28 90 - 160 2.4 - 2.6

400 - 650 28 - 32 350 - 550 1.9 - 2.3

400 - 650 28 - 32 350 - 550 1.9 - 2.3

T - dy ca thp (mm)

Nh nht: Mi trng xung quanh

ER70S-6

Travel Speed

Tc hn(mm/pht.)

Current

Diam.

ngknh

(mm)

Class/

Chng

loi

Volts

in p hn(V)

Heat input

Nhit lngcp vo

(KJ/mm)

Joint Details/Chi tit mi ni

DCEP

n DCEPEM12K

Side/Mt Pass or

Weld layer/

ng hn(Lp hn)

1

A

Bn

1

Amp.

Cng dng in

(A)

1,2

GMAW

Process

(Phngphp

hn)

GMAW

SAW EM12K 3,2/F 4,0

3,2/F 4,0SAW

Company Name/Tn cng ty

Identification/Loi quy trnh hn

WELDING PROCEDURE/Quy trnh hn

Type&

Polarity

Cc hn

ER70S-6

DCEP

DCEP

Filler Metals/in cc

60+6

-6

n1

+1

-1

2+1

-1

T

1

Out side A

In side B

1

n