BQ NQ HQ 45MnMoB Cold Drawn Seamless Drill Steel Pipe

Name: BQ NQ HQ 45MnMoB Cold Drawn Seamless Drill Steel Pipe
Brand: Torich International Limited--The Steel Tube Maker
Rating: 4.0 (1 reviews)

$1500.00

≥3 Ton

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Model No. :	GB/T9808
Brand Name :	TORICH
standard :	Gb
Section shape :	Round
place of origin :	China
application :	Drill Pipe
Production Process :	Cold Drawn
Certification :	Ce
Whether alloy :	Is Alloy
tolerance :	±1%
Category :	Seamless Steel Pipe
Processing Service :	Cutting
Product name :	Bq Nq Hq 45mnmob Cold Drawn Seamless Drill Steel Pipe
Keyword :	Drill Steel Pipe
Material :	45mnmob
Application :	For Wire-Line Drill Rods,Core Barel Tubes,Drill Rods Coupling Casing
OD :	5-420mm
WT :	0.5-50mm
Length :	3010mm 3450mm 3500mm
Brand :	Torich

9yrs

Ningbo, Zhejiang, China

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Product description

BQ NQ HQ 45MnMoB Cold Drawn Seamless Drill Steel Pipe

Key Word	45MnMoB Seamless Drill Tubes
Material	45MnMoB, 10#, 20#, 45#, 4130, 4140, 16Mn etc
Size	OD: 5-420mm; WT: 0.5-50mm; Length: 3450mm, 3500mm, max12000mm
Technique	Cold Drawn Seamless
Application	For wire-line drill rods,core barel tubes,drill rods coupling casing
Chemical composition of 45MnMoB C: 0.41-0.49, Si: 0.17-0.37, Mn: 0.9-1.2, S: 0.04max, P: 0.04max, Mo: 0.2-0.3, B: 0.001-0.005

Tolerance of Outer Diameter and Wall Thickness

Standard	Production Method	Tube Size		Tolerance
GB/T9808-2008	Hot Rolled	OD		(+1.0%D) or +0.65 (-0.5%D) -0.35
		WT	≤10	(+15%S)or +0.45 (-10%S) -0.35
			>10	(+12.5%S, -10%S)
	Cold Drawn(rolled)	OD		±0.50%D or ±0.20
		WT		±8%S or ±0.15
Q(N)/T118-2010	Cold Drawn	OD		±0.40%D or ±0.20
		WT		±7%S or ±0.15

Mechanical Property

Steel Grade	Tensile Strangth Rm/MPa	Specifies the non-proportional extension strength Rp0.2/MPa	Percentage elongation after fracture A/%
Steel Grade	No less than
ZT380	640	380	14
ZT490	690	490	12
ZT520	780	520a	15b
ZT540	740	540	12
ZT590	770	590	12
ZT640	790	640	12
ZT740	840	740	10