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40Mn2 Seamless Precision Steel Tube ASTM A519 Norm Stress Relief For Wireline Drill Rods

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40Mn2 Seamless Precision Steel Tube ASTM A519 Norm Stress Relief For Wireline Drill Rods

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Brand Name :	New-Era
Model Number :	NQ,BQ,HQ,PQ
Certification :	ISO9001/TS16949
Price :	Negotiation
Payment Terms :	L/C, T/T
Supply Ability :	2000tons per month
Delivery Time :	20-30days

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40Mn2 Seamless Precision Steel Tube ASTM A519 Norm Stress Relief For Wireline Drill 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	<80Mpa according to ASTM E1928-99

DIMENSION AND TOLERANCES (IN MM)

SR.NO.	OUTSIDE DIA	TOLERANCE	INSIDE DIA	TOLERANCE	WT	LENGTH (+5/-0)
1	55.56	+0.18/-0	46.20	+0/-0.18	4.68	3070
2	69.85	+0.20/-0	60.32	+0/-0.20	4.765	3070
3	88.90	+0.25/-0	78.00	+0/-0.25	5.45	3070

TIR (TOTAL INDICATOR RUN OUT)

NON-DESTRUCTIVE TEST

Eddy Current Examination according to ASTM E309shall be applied on all tubes using External Longitudinal notch with depth of no more than 7.5% of wall thickness (maximum notch depth 0.80mm and minimum notch depth 0.30mm) , 0.30mm maximum width and 25mm maximum length, made from the same chemistry and size of tubing.

SURFACE CONDITION

The tubes must have smooth surface

MARKING

The request information shall be marked on each tube with paint, and

each bundle shall be identified with a securely attached metal tag.

COATING

The tubes inside and outside shall be coated with a rust inhibitor

PACKING

Standard Export worthy packing, preferably in hexagonal bundle with plastic wrapped and steel strapped.

40Mn2 Seamless Precision Steel Tube ASTM A519 Norm Stress Relief For Wireline Drill Rods

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