4.1 Seamless Pipe
(1)Size:
Diameter: 1/8''-36''
Thickness: SCH20-SCH160
(2)Standard: DIN, JIS, ASTM, ISO
(3)Quality:
ASTM: ASTM A53, A106, API-5L Grade B
DIN: ST33, ST37, ST42, ST44
JIS: STPY41, STPG38, STPG42, STPG42

4.2 ERW & SAW
(1)Size:
Diameter: 1/2'' - 6''
Thickness: 1.5-12mm
(2)Standard: DIN, JIS, ASTM, ISO
(3)Quality:
DIN: S185, St37-2
JIS: SS330, SS400, SUS304, SUS304L, SUS310, SUS316, SUS316L
ASTM: 1010, 1017, 1020, 304, 304L, 310, 316, 316L

4.3 Galvanized Pipe
(1)Size:
Diameter: 1/2'' - 6''
Thickness: 1.5-12mm
(2)Standard: DIN, JIS, ASTM, ISO
(3)Quality:
DIN: S185, St37-2
JIS: SS330, SS400, SUS304, SUS304L, SUS310, SUS316, SUS316L
ASTM: 1010, 1017, 1020, 304, 304L, 310, 316, 316L

4.4 Square Pipe
(1)Size: 15 X 15-400 X 400mm
Thickness: 0.5-12mm
(2)Standard: DIN, JIS, ASTM, ISO
(3)Quality:
DIN: S185, St37-2
JIS: SS330, SS400
ASTM: 1010, 1017

4.5 Rectangular Pipe / Hollow Steel
(1)Size: 10 X 20mm-200 X 400mm
Thickness: 0.6-12mm
(2)Standard: DIN, JIS, ASTM, ISO
(3)Quality:
DIN: S185, St37-2
JIS: SS330, SS400
ASTM: 1010, 1017