Galvanized Steel Pipe

hot dip galvanized steel pipe
Standard:BS1387, ASTM A53, ST37, ST52
O.D:20mm-457mm
W.T:1.5mm-16mm
Zinc Coating:320-460g/m2


PRODUCT
GALVANIZED STEEL PIPE
O.D
20-457mm
W.T
1.5-16mm
STANDARD
GB/BS/ASTM/DIN/API
STEEL GRADE
Q195-Q345, ETC.
LENGTH
5.8m/6m/12m and RANDOM LENGTH
APPLICATION
low-medium pressure fluid, coal gas transportation, heating steam,
project construction, bridge structure, oil and nature gas pressure steel tube.
QUALITY
FIRST GRADE
PACKAGE
IN BUlk OR ACCORDING TO THE CUSTOMERS' REUQIREMENT
DELIVERY TIME
WITHIN 25 DAYS UPON RECEIPT OF THE WORKABLE L/C

Hot-dipped galvanized steel pipe proceed flow chart and product standard:
Black pipe examination-----acid washing-----water washing----solvent coating-----linning----drying----hot dipped galvanizing-----outside blasting------inside blasting-----watercooling----examination-----passivation-----proceed cleaning------drying-------printing-----sprinkling passivation----marked------packing-----final examination into storage