Drilling Seamless Pipes for Oil and Mineral Mining

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Drilling Seamless Pipes for Oil and Mineral Mining

Product Details:

Place of Origin:	China
Brand Name:	Torich
Certification:	ISO9001,ISO14001,TS16949,KR,LR
Model Number:	Geological Drilling Tube

Payment & Shipping Terms:

Price:	NEGOTIATION
Packaging Details:	IN BUNDLES
Delivery Time:	45-60 DAYS AFTER ORDER CONFIRMED
Payment Terms:	T/T L/C
Supply Ability:	20000 TONS PER YEAR

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Detailed Product Description

Type:	Drill Pipe	Machine Type:	Drilling Tool
Material:	Carbon Steel	Processing Type:	Forging
Use:	Ore Mining

Torich is a professional steel tube maker and marketing company ,specialized in Cold drawn ,precision seamless ,DOM steel pipes and tubes.detail product is as below.

Seamless Drilling Pipes for Oil and Mineral Mining

Applications: For Geological Drill underground for Oil and mineral, for mining

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:max12m

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

Chemical composition

Stee Grade	C	Si	Mn	P max	S max	Cu max	Cr	Mo	B
T600 (45MnMoB)	0.43-0.48	0.17-0.37	1.05-1.35	0.02	0.015	0.20	~	0.20-0.25	0.001- 0.005
T750 (30CrMnSiA)	0.28-0.34	0.90-1.20	0.80-1.10	0.02	0.015	0.20	0.8-1.1	~	~
T850 4140	0.38-0.43	0.17-0.35	0.70-0.90	0.02	0.015	0.20	0.9-1.1	0.15- 0.25	~

Mechanical Properties:

Steel	Tensile Strength Mpa	Yield Point Mpa	Elongation %	Heat treatment
Grade	min
ZT380	640	380	14	Normlized
ZT490	690	490	12	Normlized
ZT540	740	590	12	Normlized
ZT590	770	590	12	Normlized
ZT640	790	640	12	QT
ZT740	840	740	10	QT
T850	950	850	15	QT