SAE1541 40Mn2 seamless steel pipes mining drilling rods  

SAE1541/AISI1541 40Mn2 Seamless Drill Pipe ASTM A519 Stress Relief Seamless Drill Tubes for Wire-line Drill Rods COLD DRAWN SEAMLESS CARBON STEEL TUBES STEEL GRADE: SAE/AISI 1541 SPECIFICATIONS: ASTM A519 WITH FOLLOWING REQUIREMENTS. MECHANICAL PROPERTIES Tensile Min 820MPa Yield Min 730 MPa Elongation (50.8mmG.L) Min 15% Hardness 230-280 HB Condition Stress relieved. Straightness better than: 1 in 2000 MAX (1MM DEVIATION IN 2000MM) Eccentricity (Max) 5% Grain size ≥ 9 according to ASTM E112 Residual Hoop stress…