Drill Steel Pipe For Mineral Mining , Alloy Steel Grade Oil Drill Pipe DCDMA (USA), BS4019 (UK), METRIC (SWEDEN) manufacturer from China TORICH INTERNATIONAL CO.,LTD

Drill Steel Pipe For Mineral Mining , Alloy Steel Grade Oil Drill Pipe

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: DCDMA (USA), BS4019 (UK), M...

Drill Pipes for Oil and Mineral Mining

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Drill Pipes for Oil and Mineral Mining

Applications: For Geological Drill underground for Oil and Mineral, for Mining Exploration
Straightness, Concentricity, Mechanical Properties can meet the requirement of DCDMA (USA), BS4019 (UK), METRIC (SWEDEN)
Size range: O.D.:6-95mm W.T.:1-10mm L:max12000mm

Standard	Producton Method	Tube Size		Tolerance
GB/T 9808-2008	Hot rolled	OD		(+1.0%D) +0.65 (-0.5%D) -0.35
		WT	≤10	(+15%S) +0.45 (-10%S) -0.35
		WT	10	(+12.5%S, -10%S)
	Cold Drawn	OD		±0.50%D or ±0.20
	Cold Drawn	WT		±8%S or ±0.15
Q(N)/ T118-2010	Cold Drawn	OD	OD	±0.40%D or ±0.20
Q(N)/ T118-2010	Cold Drawn	WT	WT	±7%S or ±0.15

Normal Sizes:

Designation	Outside Diameter (mm)		Inside Diameter (mm)
	Min	Max	Min	Max
A Wireline	44.45	44.70	34.82	35.07
B Wireline	55.55	55.90	45.95	46.30
N Wireline	69.95	70.30	60.05	60.30
H Wireline	88.90	89.38	77.62	78.10
P Wireline	114.30	114.78	102.79	103.27

Mechanical Properties:

Stee Grade	Tensile Strength Mpa min	Yield Strength Mpa min	Elongation % min	HRC	Heat Treatment
T600	790	600	14	~	N
T750	850	750	14	26-31	QT
T850	950	850	14	28-33	QT