Seamless drill tube NQ drill pipes HQ drill pipes PQ drill pipes

4 year ago

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Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd

5 year

Product details

XJY850 AQ BQ NQ HQ Seamless Steel tubes for wire-line drill rods

1. Product Name: Seamless Steel Tubing wire-line drill rods
2. Size Range: AQ,BQ,NQ,HQ,PQ Length:3m,3.06m 5.8m/6m, maximal 11.8m
3. Stable Quality with Comeptitive Price
4. Protective Atmosphere Heat Treatment, Surface is clean and smooth, without oxide scale
5. Good Extending and Bending Ability, Longer Work Life

Product Name	Seamless Steel Tubing wire-line drill rods
Material	XJY750 XJY850
Delivery Condition	HR, CW, SR, A, N,Quenching & Tempering
Standard	ASTM GB9808
Application	Wire-line drill rods
Certificate	TS16949, ISO 9001
HS code	7304319000
Delivery Time	40 days
Pakcing	Bundles or Woodern Boxes

Seamless Steel Tubes for Wire-line Drill Rods
Standard: ASTM A519 GB/T9808-2008 GB/T16950-2014
Spec.	Size ＆ Tolerance
-	Ourside Diameter		Inside Diameter		Length
-	mm	Tolerance	mm	Tolerance	mm	mm	Tolerance
A	44.45	0/+0.30	35.05	-0.15/+0.15	3000	3060	0/+5
B	55.55	0/+0.30	46.05	-0.15/+0.15	3000	3060	0/+5
BT	56.52	0/+0.40	48.64	-0.20/+0.20	3000	3060	0/+5
N	69.85	0/+0.30	60.33	-0.15/+0.15	3000	3060	0/+5
NT	73.03	0/+0.40	64.26	-0.20/+0.20	3000	3060	0/+5
H	88.90	0/+0.40	77.80	-0.20/+0.20	3000	3060	0/+5
HWT	114.30	0/+0.40	101.60	-0.20/+0.20	3000	3060	0/+5
Steel ＆Properties
Item	Steel Grade	Steel Class	Tensile Strength Min Mpa	Yield Strength Min Mpa	Elongation Min%	Hardness HRC	Heat treatment Type
1	1541	ZT640	790	640	14	/	+N
2	4130	ZT750	850	750	14	26-31	Q＆T
3	4140	ZT850	950	850	14	28-33	Q＆T
4	45MnMoB	XJY600	790	600	14	/	+N
5	30CrMnSiA	XJY750	850	750	14	26-31	Q＆T
6	42CrMo	XJY850	950	850	14	28-33	Q＆T
Straightness	Normally: 1/2000mm High class: 1/6000mm
Application	Wire-line Drill Roads, Boart Longyear, Altas, Sandvik type

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Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd

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5 year

Main Product: Seamless Bearing Tubes, Mining Drill Pipes , Boiler Steel Tubes, Alloy Mechanical Tubing, Precision Steel tubes, Stainless Steel tubes

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