Home > Drill Steel Pipe >

Bq Nq Hq Drilling Through Steel Pipe Od 420mm

Product Categories

TORICH INTERNATIONAL LIMITED

Trust Seal

Verified Supplier

Credit Check

Supplier Assessment

Contact Now

Bq Nq Hq Drilling Through Steel Pipe Od 420mm

Ask Lasest Price
Brand Name :	TORICH
Model Number :	GB/T 9808-2008
Certification :	ISO 9001 ISO 14001 TS 16949
Price :	negotiable
Payment Terms :	T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability :	50000 tons per year
Delivery Time :	30-45 days

Add to Cart

Product Details
Company Profile

Bq Nq Hq Drilling Through Steel Pipe Od 420mm

BQ NQ HQ 45MnMoB Drill Steel Pipe

Product information
Applicatioan: for wire-line drill rods,core barel tubes,drill rods coupling casing
Size range: OD 5-420mm, WT 0.5-50mm Length max12000mm
Material: 45MnMoB,10#,20#,45#,4130,4140,16Mn,etc.

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/T 9808-2008	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
		WT	>10	(+12.5%S, -10%S)
	Cold Drawn(rolled)	OD		±0.50%D or ±0.20
	Cold Drawn(rolled)	WT		±8%S or ±0.15
Q(N)/ T118-2010	Cold Drawn	OD	OD	±0.40%D or ±0.20
Q(N)/ T118-2010	Cold Drawn	WT	WT	±7%S or ±0.15

Mechanical Property

No.	Grade	Tensile Strangth Rm/MPa	Specifies the non-proportional extension strength Rp0.2/MPa	Percentage elongation after fracture A/%
No.	Grade	No less than
1	ZT380	640	380	14
2	ZT490	690	490	12
3	ZT520	780	520^a	15^b
4	ZT540	740	540	12
5	ZT590	770	590	12
6	ZT640	790	640	12
7	ZT740	840	740	10
^a Grade ZT520 measure R_P0.5 ^bGrade ZT520 use tensile sample S4 S5 or S6 in GB/T 228

Product Tags:

hq drilling through steel pipe

bq drill steel pipe

drilling through steel pipe od 420mm

Bq Nq Hq Drilling Through Steel Pipe Od 420mm

Inquiry Cart 0

Send your message to this supplier


*From:	Your email address is incorrect!
*To:	TORICH INTERNATIONAL LIMITED
*Subject:	Subject is empty!
*Message:	For the best results, we recommend including the following details: -Self introduction -Required specifications -Inquire about price/MOQ Characters Remaining: (0/3000) Please enter 20 to 3000 characters to contact this supplier!

Explore more Drill Steel Pipe products from this supplier

Find Similar Products By Category:

Minerals & Metallurgy

Hot Searches: