Major Standards:

ASTM A269, ASTM A312，ASTM A249,EN10217-7, ASTM A554，GB/T12770，ASTM A789
ASTM A790，ASTM A268

Major steel grades:

 304, 304L, 201,202,310s,321,TP304, TP304H, TP304L, TP310, TP310S,TP316, TP316L, TP316H, TP317, TP317H,TP321, TP321H，etc

Surface condition:

Bright Annealed

Polished

Annealed & Pickled

Bright Annealed + Fine Polishing

Electropolishing

Size range:  Outer diameter from 3mm to 40mm,  wall thickness from 0.3mm to 2.5mm.

General delivery condition: half hard / soft bright annealing, or polished

Processing:

Sophisticated bright annealing technology makes the tube good mechanical performance. The tube can be flared, flatten, bent freely.

Application:

Electric heater fields like metal tube heater, hot runner, thermostat, heating apparatus, air conditioning, refrigerators and other household appliances, heating etc.

Food and beverage, petroleum chemical industry, heat exchanger, condenser, marine environment, paper making, chemical fertilizer, instrumentation, medical,Automotive Engineering, aerospace, pipe structure, printing textile and etc