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…