XJY600 / 45MnMoB Core Tubes For Geological Drilling Rods

Price Negotiable

Price: Negotiation

MOQ: 500kg

Delivery Time: 20-30days

Brand: New-Era

Product Description

Geological Drilling Rods Seamless Drilling Pipes Core Tubes XJY600/45MnMoB BQ/NQ/HQ/PQ

The Drill Pipes Made From Cold drawn seamless steel tubes,We can produce

as international standard DCDMA/ISO10097-1,and the special sizes light weight

drill rods and thin-wall drill rods,drill casing pipes,core tubes etc.

1. Product Name:Geological Drill Pipes for Wire-line drilling rods Core Tubes
2. The Steel Tube Materials: SAE1541,AISI4130,4130,St52,45MnMoB,BL850/XJY850
3. The Steel Pipes can be finished as Stress relieved or Quenching and Tempering process
4. Protective Atmosphere Heat Treatment, Surface is clean and smooth, without oxide scale
5. Drilling Tubes Produced as DCDMA,ISO10097-1 Wireline Diamond Drilling and Core Barrel

1.International Standard Sizes,Tolerance,Prices
Specification	OD mm	OD tol. Mm	ID mm	ID tol. Mm	Wt.mm	Length, mm	Steel Class	FOB Shanghai usd/ton
BQ	55.55	+0.25	46.20	-0.25	4.8	3060/3050/3000	4130+SR
NQ	68.85	+0.25	60.32	-0.25	4.9	3060/3050/3000	4130+SR
HQ	88.90	+0.38	78.00	-0.38	5.6	3060/3050/3000	4130+SR
PQ	114.30	+0.38	103.17	-0.38	6.3	3060/3050/3000	4130+SR
Casing	117.50	+0.50	103.00	-0.50	7.25	3060/3050/3000	4130+SR
2.Different Steel Claess and Techanical data:
Steel Name	Steel class	Tensile Strength Min.MPA	Yield Strength Min.MPA	Elongation Min %	Hardness HRC	Heat-treatment Condition	Residual hoop stress Max.MPA	Grain Size Min class
45MnMoB	XJY600	790	600	14	21-25	+N	/	8
30CrMnSiA	XJY750	850	750	15	26-31	Q+T	/	8
42CrMo	XJY850	950	850	15	28-33	Q+T	/	8
straightness of tubes	Class 1: Max 1/2000mm; Class 2: 1/6000mm
straightness at ends	Not more than 0,25 mm per 0.2 meter of length from each of the end of pipe
Surface	Black smooth surface or black phosphated
Packing	anti-rusty oil protected,bundles wrapped with Plastic bags
Delivery time	20-30days