04) Standards:
Seamless:ASTM A213 / ASTM A312 / ASTM A 790 / DIN17456 / DIN17458 / GOST9941-81
Welded: ASTM A312 / A554 / A249 / A269 / EN10217-7 / DIN17455 / DIN17457.
05) Size:
a) O.D.: 6--530mm, W.T: 0.8mm--30mm
b) Schedule: 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S,acc. to ANSI B36.19/36.10
06)Test
Chemical Analysis.
Hydrostatic or Nondestructive Electric Test,
Intergranular Corrosion Test,
Flaring Test,
Flattening Test,
Flange Test,
Grain Size Test
Hydrostatic or Nondestructive Electric Test,
Intergranular Corrosion Test,
Flaring Test,
Flattening Test,
Flange Test,
Grain Size Test
07) Delivery conditions: annealed, pickled & polished
08) Packing: bundle/plywood case.
08) Packing: bundle/plywood case.