Steel Tubes

Products

Complementing the superlative manufacturing practices at Kuma, quality is also ensured while selecting raw materials. The coils are imported only from the most reputed mills in Japan & Korea like JFE, NSSC, POSCO & Nisshin. The company is capable of manufacturing Stainless Steel tubes in Austenitic and Ferritic Grades and Aluminized tubes in SA1D grade for diverse industry applications as per various national & international specifications.

   

Material Grades

The offered tubes have accurate dimensions and are rolled and calibrated directly from the welding line in order to conform to relevant and required specifications. In our range of grades we not only offer Special Stainless Steel grades and Aluminized Steel Tubes but also tubes in the following grades of stainless steel.

(MM)OD/Thick 0.80 1.00 1.20 1.50 1.80 2.00 2.30 3.00
12.70                
15.88                
19.05                
22.23                
25.40                
28.00                
28.60                
31.80                
35.00                
38.10                
40.00                
41.30                
42.00                
42.70                
44.50                
45.00                
48.60                
50.00                
50.80                
54.00                
55.00                
55.56                
57.15                
60.00                
60.30                
60.50                
61.50                
63.50                
65.00                

    With Internal Bead
    Without Internal Bead

  • SS 409 L
  • SS 425
  • SS 429
  • SS 430
  • SS 436
  • SS 439
  • SS 441
  • SS 304

The standards followed are:

  • ASTM
  • DIN
  • JIS
  • BS
  • IS

The aluminized grades are as :

  • SA1D 40 / 40
  • SA1D 60 / 60

The tubes are offered in comprehensive size ranges with outer diameter ranging from 12.70 mm - 65.00 mm and thickness ranging from 0.80 mm - 3.00 mm. Tubes in lower outer diameter sizes enable exhaust manufacturers to meet the revised emissions norms for the 2-wheeler industry.