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  • mechanical tubes

    mechanical tubes

    Standard: EN10297-1 :34CrMo4,42CrMo4,E355, EN10305-1:E215,E235,E355 ASTM A519: 1020,1030,1045,4130,4140 EN10210-3:  S275J0H,S275J2H,S355J0H,S355J2H,S355K2H Application For manufacture of vessels,equipment,mechaning parts and steel structures Tolerance Steel Type Dimension Tolerance Normal Higher hot rolled pipe OD all ± 1%( min± 0.50mm ) — WT all +15%-12.5% (min +0.45/ -0.40 mm ) — cold drawn pipe OD 6 ~ 10 ± 0.20 mm ± 0.15 mm > 10 ~ 30 ...