Quenching 30CrMnSiA XJY750 Core Barrel Seamless Drill Pipe

Basic Information

Place of Origin:	China
Brand Name:	New-Era
Certification:	ISO9001/TS16949
Model Number:	30CrMnSiA/XJY750

Minimum Order Quantity:	500kg
Price:	Negotiation
Packaging Details:	Anti-rusty oil protected,Bundles packing with plastic bags wrapped
Delivery Time:	20-30days
Supply Ability:	2000tons per month

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Standard:	GB/T9808 ISO10097-1	Steel Grade:	30CrMnSiA/XJY750
Threaded:	Drill Mother Pipes Without Thread	Surface:	Black Phosphated,smooth Surface
Sizes:	A/B/N/N Wireline Drill Rods	Heat-treatment::	Quenching And Tempering
Application:	Wireline Diamond Core Drilling Rods
Highlight:	Core Barrel Seamless Drill Pipe , 30CrMnSiA Seamless Drill Pipe , Seamless Mining Drill Pipes

Seamless Mining Drill Pipes 30CrMnSiA/XJY750 Core Barrel Drilling Pipes

THE DRILL PIPES PRODUCED BY COLD DRAWN SEAMLESS ALLOY STEEL

TUBES FOR WIRE-LINE DRILL RODS,CORE BARREL,CASING PIPES.

THE STEEL NORM:ISO10097-1 WIRELINE DIAMOND CORE DRILLING PIPES ,

DCDMA DRILL STEEL PIPES,BS4019 ROCK DRILLING PIPES,METRIC DRILLING

RODS,ASTM A519 SEAMLESS ALLOY STEEL TUBING FOR ROCK DRILLING RODS.

STEEL GRADE: SAE/AISI4130,SAE4140,SAE1541,1045,St52.3

Product Name	Seamless Mining Drill Pipes for wireline
Material	30CrMnSiA/XJY750 drill pipes
Delivery Condition	Quenching & Tempering
Standard	ASTM GB9808/ISO10097-1
Application	Wire-line drill rods
Certificate	TS16949, ISO 9001
HS code	7304319000
Delivery Time	40 days
Pakcing	Bundles or Woodern Boxes

Steel Pipes 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
			＞10	(+12.5%S, -10%S)
	Cold drawn	OD		±0.50%D or ±0.20
		WT		±8%S or ±0.15
Q(N)/ XJY118-2010	Cold drawn	OD	OD	±0.40%D or ±0.20
		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

The Mining Drill Pipes Mechanical Properties:
Stee Grade	Tensile Strength Mpa min	Yield Strength Mpa min	Elongation % min	HRC	Heat Treatment
XJY600	790	600	14	~	N
XJY750	850	750	14	26-31	QT
XJY850	950	850	14	28-33	QT

The Diamond Drilling Pipes Chemical Composition
Stee Grade	C	Si	Mn	P max	S max	Cu max	Cr	Mo	B
XJY600 (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
XJY750 (30CrMnSiA)	0.28-0.34	0.90-1.20	0.80-1.10	0.02	0.015	0.20	0.8-1.1	~	~
XJY850 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	~

GB/T9808 Rock Drilling Pipes Mechanical Properties:
Steel Grade	Tensile Strength Mpa		Yield Point Mpa		Elongation %		Heat treatment
	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
XJY850	950		850		15		QT