-
HIGH PRECISION COLD-ROLLED SEAMLESS STEEL PIPE
-
HIGH PRECISION COLD DRAWN STEEL TUBE
-
DIN HIGH PRECISION SEAMLESS STEEL PIPE
-
ASTM A519 AISI 4140 SEAMLESS TUBES
-
ASTM A519 4130 SEAMLESS PIPE
-
ASTM A519 SAE 1026 SEAMLESS TUBING
-
ASTM A519 COLD DRAWN SEAMLESS MECHANICAL STEEL TUBING
-
EN 10305 SEAMLESS PRECISION STEEL TUBE
-
DIN 2391 SEAMLESS STEEL TUBE USED FOR MECHANICAL AND AUTOMOBILE