Standards:
GB/T12770 Stainless Steel Welded Pipe For mechanical Construction;
GB/T12771 Stainless Steel Welded Pipe for fluid.

Converyer Partial Foreign Standards:
Japan:
JIS G 3446 Stainless Steel Welded Pipe for Mechanical Construction
JIS G 3495 Stainless Steel Welded Pipe for piping
JIS g 3463 Stainless Steel Welded Pipe for Boiler

America:
ASTM A 249 welded austenite steel pipe for boiler, superheater, heat exchangger and Vapour condenser

ASTM A269 seamless welded austenite stainless steel pipe for general equipment

Astm A312 seamless welded austenite stainless steel pipe

ASTM A 409 welded large diameter austenite steel pipe under corrosive site and hign temperature

ASTM A688 WEld austenite Stainless steel pipe for feed heater.

We can produce

AISI/ASTM 304 304L 321 316L 310S

UNS S30400 S30403 S 32100 S31603 S31008
JIS SUS304 SUS304L SUS321 SUS316L SUS310S
DIN 1. 4301 1. 4306 1. 4541 1. 4435 1. 4845

GENERAL PIPE
SPECIFICATION AND CLASS INTERVAL OF STAINLESS STEEL STRAIGHT PIPE
OUTSIDE DIAMETER 3MM-14MM
WALL THICKNESS 0. 2MM-4MM
LENGTH UNLIMITED