The light gauge steel track and studs are cold formed from steel in accordance with1991 U.B.C. Standard Number 27-9. Corrosion resistance is accomplished by rustresistant coatings or by galvanizing or galvannealing per ASTM A653-98, ASTM A-525,G01 or A01 min, to G90 max respectively, or other rust resistant coating equalto G01 or A01 per ASTM A653-98, ASTM A-525. The various track and stud shapeshave different flange lengths and lip lengths. The tracks and studs are availablein various sizes as per your specific requirements. producing area:China payment:L/C at sight or T/T supplying capacity:1,000,000 to 1,500,000 pieces