HOME

Business

PIPING SPOOL

Business

PIPING SPOOL

PIPING SPOOL

Piping Spool Fabrication by Computerized Automatic Welding.

  • Position

    1G

  • Speed

    2~12mm/sec

  • Information

    1st Layer by GTAW / 2nd and over Layer by FCAW

  • Range of diamete

    2~52"

  • Range of thickness

    Max. 70mm

  • Material

    Carbon Steel / Stainless Steel / Low-Alloy Steel
    Nickel Alloy / Titanium and etc.

Productivity Analysis

Productivity of Automatic Welding System is about three (3) times higher than manual welding

Size SettingTime Automatic Welding Manual Welding
Welding Time Finish Time Total Required Time Daily AVG. Welding Welding Time Finish Time Total Required Time Daily AVG. Welding
2"~3" 2M 30S 5M 2M 9M 30S 130" 20M 3M 23M 42"
4"~8" 3M 7M 2M 12M 200" 35M 4M 39M 50"
10"~14" 4M 13M 2M 19M 200" 60M 6M 66M 50"
16"~20" 7M 30M 3M 40M 190" 3H 30M 10M 3H 40M 44"

Quality Analysis

(Radiographic Test Result Trend for 3 Months)

Section M1 M2 M3 Total
M1 M2 M3 M4 M1 M2 M3 M4 M1 M2 M3 M4
Reject Rate 0% 1.2% 0% 0.3% 0.3% 1.1% 1.4% 0.5% 0% 0.8% 0.5% 0.6% 0.53%
Reject Sheets 0 0 0 2 2 4 6 2 2 2 1 3 24
Shooting Sheets 6 168 609 764 612 376 425 366 235 234 207 445 4457
Reject Rate

Welding Process

Section Welding Process Welding Position Welding Rod Range
Automatic Welding Root Pass GMAW
Mixed Gas(Ar+CO2) / Metal Active Gas		 1G Roll - Solid Wire ER70S-6 (Spoolarc86)
- Φ0.9, Φ1.2		 2" ~ 52"
Second and Over Layer FCAW
Mixed Gas(Ar+CO2) / Flux / Metal Active Gas		 1G Flux Cored Wire E71T-9M (D.S7100SM)
- Φ1.2, Φ1.6		 2" ~ 52"
Manual Welding Normal Work for
Piping Spool Fabrication		 GMAW All Position Solid TIG Wire * ER70S-6
- Φ2.4, Φ3.2		 BOSS and under 2"
GMAW All Position E7016 - Φ 2.6, Φ3.2, Φ4.0 No Limit
SMAW All Position - Structure and Etc.