GPI supply Trust, Belief and Hope
TUBING
Seamless, welded, coil tubing
- BA, EP Tubing for Semiconductor and LCD (1/4" ~ 1")
- AP Tubing for Petrochmisty, Power Plant and Instrumentation(1/4"~1")
- Tubing for Heat Exchanger and Precision Mechine Part
- Standard : ASTM A213/269, ASTM A249
Tubes & Pipes for Heat Exchanger, Electricity Heater & Pressure Gauge
Material: 304/304L, 310S, 316/316L, 317L, 321, 347, Duplex, Nikel Alloy, Titanium (SB338 Gr.1∼5)
| Dimension (mm) |
Tolerance (mm) |
| Out Diameter |
Wall Thickness |
Length |
O D |
W T |
L |
| 15.88~25.40 |
0.44~2.77 |
30,000 |
± 0.10 |
± 10% |
-0+3~12 |
| 25.40~38.10 |
0.72~3.68 |
± 0.15 |
| 38.10~50.80 |
1.10~5.70 |
± 0.20 |
| 50.80~63.50 |
1.48~7.94 |
± 0.25 |
| 63.50~76.20 |
2.47~9.69 |
± 0.30 |
| Specification |
ASTM A213,A249 JIS G3463 KS D3577 |
Clean Tubes for Sanitary appliances & Semi-Conductor Line
Material: 304/304L, 316/316L, Duplex
| Dimension (mm) |
Tolerance (mm) |
| Out Diameter |
Wall Thickness |
Length |
O D |
W T |
L |
| 6.35~19.05 |
1~1.65 |
6000 |
± 0.05 |
± 10% |
-0+5 |
| 25.40~38.1 |
1.65~1.65 |
| 50.8~76.1 |
1.65~1.65 |
± 0.08 |
| 101.60~ |
1.65~2.11 |
| Specification |
ASTM A269,A270 JIS G3447 KS D3585 |
Tubes & Pipes for Ordinary Piping, Dairy, Food & Beverage Industry
Material: 304/304L, 316/316L, DUPLEX(UNS S31803)
| Dimension (mm) |
Tolerance (mm) |
| Out Diameter |
Wall Thickness |
Length |
O D |
W T |
L |
| 9.53~25.40 |
0.44~3.73 |
25000 |
± 10% |
± 0.70 |
-0+5 |
| 25.40~48.26 |
1.65~5.08 |
± 1.00 |
| 48.36~60.33 |
1.65~5.54 |
± 1.20 |
| Specification |
ASTM A269,A249 JIS G3448 KS D3995 |
Ultra Precise Tubes & Pipes for Mechanical Parts, Automobile, Air-Pressure Cylinder
Material: 304/304L, 316/316L, 317, 321, DUPLEX(UNS S31803)
| Dimension (mm) |
Tolerance (mm) |
| Out Diameter |
Wall Thickness |
Length |
O D |
W T |
L |
| 3.18~15.88 |
0.70~3.20 |
10000 |
± 2% |
± 2% |
-0+5 |
| 15.88~48.26 |
0.89~5.08 |
| 48.26~88.90 |
1.65~7.62 |
± 3% |
| 88.90~141.30 |
1.65~9.53 |
| Specification |
ASTM A269,A249 JIS G3447 KS D3585 |
Irregular & Complex Tubes & Pipes for Precise Mechanical Parts
Material: 304/304L, 316/316L, DUPLEX(UNS S31803), Carbon Steel Tube, Copper Tube, Aluminum Tube
| Dimension (mm) |
Tolerance (mm) |
| Out Diameter |
Wall Thickness |
Length |
O D |
W T |
L |
| 3.0~152.0 |
0.03~10.00 |
10000 |
As the user wants |
Bending for U-TUBE, BANK-TUBE, FIN TUBE, ECONOMIZER TUBE, SUPER HEATER TUBE
Material: 304/304L, 316/316L, DUPLEX(UNS S31803), Carbon Steel Tube, Copper Tube, Aluminum Tube, H-Beam, I-Beam, Angle, Channel
