Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Products
Model No.: 30CrMnSiA drill pipes
Brand: HuiJie
Usage: Special Purpose
Type: Seamless
Technique: Cold Drawn
Material: Alloy Steel
Surface Treatment: Black
Section Shape: Round
Grain Size: Min ASTM 8
Size Range: OD:6-120mm,Wt:1-20mm
Heat-treatment: Stress Released Or Quenching
Application: For Wire-line Drill Rods
Specification: AQ,BQ,NQ,HQ,PQ
Length: 3000mm 3050mm 3100mm
Similar Steel Grade: XJY750 30CrMnSiA
Packaging: Bundles Packing with plastic bags wrapped
Productivity: 5000tons per month
Transportation: Ocean,Land
Place of Origin: Made in China
Certificate: TS16949 ISO9001
HS Code: 7304.3110
Port: Ningbo,Shanghai
Payment Type: L/C,T/T,D/P,Paypal,Western Union
Incoterm: FOB,CFR,CIF
30CrMnSiA XJY750 seamless Drill Pipes NQ 69.85mmx60.33mm
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 |
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 |
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 | |
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 |
NON-DESTRUCTIVE TEST
Eddy Current Examination according to ASTM E309shall be applied on all tubes using External Longitudinal notch with depth of no more than 7.5% of wall thickness (maximum notch depth 0.80mm and minimum notch depth 0.30mm) , 0.30mm maximum width and 25mm maximum length, made from the same chemistry and size of tubing.
SURFACE CONDITION
The tubes must have smooth surface
MARKING
The request information shall be marked on each tube with paint, and
each bundle shall be identified with a securely attached metal tag.
COATING
The tubes inside and outside shall be coated with a rust inhibitor
PACKINGStandard Export worthy packing, preferably in hexagonal bundle with plastic wrapped and steel strapped.
Product Categories : Seamless Mining Drill Pipes
Home > Products > Seamless Mining Drill Pipes > 30CrMnSiA XJY750 seamless drill pipes NQ69.85mmx60.33mm
Send Inquiry
Mr. Kevin
Tel:86-0574-87491308
Fax:86-0574-87491848
Mobile Phone:+8613355844917
Email:sales@hjbearingtube.com
Address:Industrial Park, Zhangting Town,Yuyao City, Ningbo, Zhejiang
Related Products List
Mobile Site
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.