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1541G105 S135 Thread Types Coupling Drill Steel Pipe DZ60 DZ50

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Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China

Contact name:Richard SHEN

TORICH INTERNATIONAL LIMITED

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1541G105 S135 Thread Types Coupling Drill Steel Pipe DZ60 DZ50

Country/Region	china
City & Province	ningbo zhejiang

Product Details

DZ60 DZ50 1541G105 S135 Thread Types Coupling Drill pipe

Torich is a manufacturer of Thread Types Coupling Manufacturers Range 3 Length HQ NQ BQ API Steel Grade

G105 S135 Water Well Drill Steel Pipe for over 20 years.

Specifications: 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%OD) +0.65 / (-0.5%OD) -0.35
	Hot rolled	WT≤10 WT>10	(+15%WT) +0.45 / (-10%WT) -0.35 (+12.5%WT, -10%WT)
	Cold Drawn	OD	±0.50%OD or ±0.20
	Cold Drawn	WT	±8%WT or ±0.15
Q(N)/ T118-2010	Cold Drawn	OD	±0.40%OD or ±0.20
Q(N)/ T118-2010	Cold Drawn	WT	±7%WT or ±0.15

Designation	Outside Diameter (mm)		Inside Diameter (mm)
Designation	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

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

Mechanical Properties
Stee Grade	Tensile Strength Mpa min	Yield Strength Mpa min	Elongation % min	Tensile Strength Mpa 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

Product Show

QUALITY CONTROL:

1.Incoming Raw Material Inspection

2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation,

Hardness, Impact, Mictrostruture etc
8. Packing and Stocking

100% of our steel tubes are dimensionally checked
100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

FAQ

Q: Are you trading company or manufacturer ?

A: A professional steel pipes materials inventor, manufacturer and solution provider
Q: How long is your delivery time?
A: Generally it is 7-14 days if the goods are in stock. or it is 30-60 days if the goods are not in stock,

it is according to quantity.
Q: Do you provide samples of carbon seamless steel tube ? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before

shippment.
If you have another question, pls feel free to contact us