Seamless Hydraulic Tube



Specification
ST 37.4 NBK

Process
Cold Drown Seamless

Delivery Conditions
NBK, black colours Phosphated


Size Range

Metric (OD)
: 5.00 to 60 mm
Imperial (OD)
: 1/8" (3.175) to 1" (25.40 mm)
Wall Thickness
: 0.50 to 6.00 mm
Length
: 6000 mm



Other Dimensions & material grades available upon request


Size Range

Metric (OD)  :  5.00 to 60 mm
Imperial (OD)  :  1/8" (3.175) to 1" (25.40 mm)
Wall Thickness  :  0.50 to 6.00 mm
Length  :  6000 mm



Other Dimensions & material grades available upon request


Chemical Composition

Carbon % (max.) Moganese (M)% (min.) Phosphorous (P)% (max.) Sulfur (S)% (max.) Silicon (Si)% (max.)
0.170 0.350 0.040 0.040 0.350
Carbon % (max.) 0.170       
Moganese (M)% (min.) 0.350       
Phosphorous (P)% (max.) 0.040       
Sulfur (S)% (max.) 0.040       
Silicon (Si)% (max.) 0.350       


Mechanical Composition

Yield Point (Mpd) Tensile Point (Mpd) Elongation (%)
Min. 235 350 - 480 Elongation (%) Min. 25
Yield Point (Mpd) Min. 235
Tensile Point (Mpd) 350 - 480
Elongation (%) Elongation (%)
Min. 25