Pibell wedi'i weldio erw

Mae pibellau ERW (gwrthiant trydan wedi'u weldio) yn cael eu weldio yn hydredol, wedi'u cynhyrchu o stribed \/ coil gyda maint hyd at 24 "OD.
OD: φ21.3mm ~ φ660mm (1\/2 '' ~ 26 '');
Wt: 2.5mm ~ 100m;
Hyd: 5.8m ~ 12m;
Deunydd: CS:
ASTM A53 GR.B, API 5L GR B, X42, X52, X60, X70, PSL1 & PLS2; ASME A192, ASTM A210, A252, 20G, S275JR, P235, SS400, STPG370, STPG400 ,, SGP, STK400, ST37, ST42, Q235, Q345, 16MN, ST37, ST45, ST32, ST452, ST
LTCS: ASTM A333, ASTM A335 GR P1, P5, P9, P11, P22, P91; ASTM A691, SA213, Q345,16MN, L245 ~ L555; STPG42, G3454, G3456; ST45, ST52, ac ati.
Safon: ASTM \/ASME B36.10M, API 5L, API 5CT, ASME SA178, ASTM A672, ASTM A691, JIS3454, JIS 3452, JIS3457, DIN17175, DIN17100, DIN1627, BS1626, BS1626, BS1627, BS1627, BS1627, BS1627, BS1627, BS1627, BS1627, BS1627, BS16, BS1627, BS1627, BS1627, BS1627, BS1627, BS1627, BS1627, BS1627, BS162, BS162 AS1704, GOST 17074, GOST17075, ISO R65, .GB\/T9711, GB\/T3092,