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High Precision Seamless Tubing
Grade: 10#20#T11T12T22T91T92ST37, ST52
Standard: DIN2391, DIN2445, EN10305, ASTM A106, ASTM A179
NBK, GBK, BK, BKW, BKS
Outside Diameter: 8mm - 114.3mm
Producing Process: Cold-drawing/cold-rolling, Bright annealing, Polishing
Any other requirements, please talk with us
Grade Chemical Composition(%)
C. Max. Si. Max. Mn. P. Max. S. Max.
St 35 0.17 0.35 ≥ 0.40 0.025 0.025
St 45 0.21 0.35 ≥ 0.40 0.025 0.025
St 52 0.22 0.55 ≤ 1.60 0.025 0.025
