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WLA WLB Mining ASTM GB9808 R780 Seamless Drill Pipe

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WLA WLB Mining ASTM GB9808 R780 Seamless Drill Pipe

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Brand Name :	New Era
Model Number :	ASTM A519
Certification :	ISO9001,TS16949
Price :	Negotiation
Payment Terms :	T/T
Supply Ability :	3000 tons/month
Delivery Time :	45 days

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WLA WLB Mining ASTM GB9808 R780 Seamless Drill Pipe

R780 seamless cold drawn drill rods tubes pipes WLA WLB WLN WLH

1. Product Name: Seamless Steel Tubing wire-line drill rods
2. Size Range: WLA,WLB,WLN,WLH 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	4130+SR XJY600 XJY750 XJY850 BL850
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

2.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
WLB	55.55	+0.25	46.20	-0.25	4.8	3060/3050/3000	4130+SR
WLN	68.85	+0.25	60.32	-0.25	4.9	3060/3050/3000	4130+SR
WLH	88.90	+0.38	78.00	-0.38	5.6	3060/3050/3000	4130+SR
HWT	114.30	+0.38	103.17	-0.38	6.3	3060/3050/3000	4130+SR

3.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
36Mn2V	R780	780	520	15	22-26	+N	/	8
42MnMo7	R780	780	520	15	22-26	+N	/	8
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

WLA WLB Mining ASTM GB9808 R780 Seamless Drill Pipe

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ASTM Seamless Drill Pipe

R780 Seamless Drill Pipe

WLA WLB Mining ASTM GB9808 R780 Seamless Drill Pipe

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