Cr15Al5
Cr19Al3
Cr25Al5
Cr23Al5Ti
Cr21Al16Nb
Cr27Al7Mo2
Cr20Ni80
Cr30Ni70
Cr15Ni60
Inconel 625
Inconel 718
Inconel 725
Inconel X-750
Inconel 690
Inconel 617
Inconel 601
Inconel 600
Inconel 686
Inconel 602CA
Incoloy A-286
Incoloy 825
Incoloy 925
Incoloy 926
Incoloy 800
Incoloy 800H
Incoloy 800HT
Incoloy 909
Incoloy 31
Incoloy 901
Monel K-500
Monel 400
Nimonic 263
Nimonic 75
Nimonic 80A
Nimonic 90
Nimonic PE11
Nimonic PE16
Nimonic PK33
Nimonic 901
Nimonic 81
Nimonic 86
Nimonic 105
Nimonic 115
Hastelloy C-276
Hastelloy C
Hastelloy C4
Hastelloy C-22
Hastelloy C-2000
Hastelloy B-2
Hastelloy B-3
Hastelloy G30
Hastelloy X
Super Invar 32-5（4J32）
Alloy 36(4J36)
Alloy 42(4J42)
Alloy 50(1J50)
Hiperco 50(1J22)
Alloy 46
Permalloy (1J79)
Supermalloy(1J85)
ERNiCrMo-2
ERNiCrMo-3
ERNiCrMo-4
ERNiCrFe-7
ERNiCrFe-7A
ERNiCrMo-10
ERNiCrCoMo-1
ERNiFeCr-2
ERNiFeCr-1
ERNiMo-8
ERNiCrMo-13
ERNiCr-4
ERNiCr-3
ERNi-1
Haynes-25
Hayness-188
MP35N
Refractory 26
Waspaloy alloy
17-4PH
17-7PH
904L
Nitronic 50
Nitronic 60
AL-6XN
F55
PH 13-8
Haynes-230
Nickel 200
Sheet ＆ Plate
Strip ＆ Foil
Bar ＆ Rod
Pipe ＆ Tube
Bolts & Fasteners
Flange & Ring
Nickel Alloy Powder
HRNM-2(p530 class) technical standard
Overview
Limiting Chemical Composition, %
Chromium..............................................................................................................................................................................15.0--17.0
Carbon.....................................................................................................................................................................................0.08 Max.
Nickel......................................................................................................................................................................................0.08--1.50
Silicon.........................................................................................................................................................................................1.0 Max.
Manganese.............................................................................................................................................................................16.0--19.0.
Phosphorus.............................................................................................................................................................................0.03 Max.
Sulfur.......................................................................................................................................................................................0.02 Max.
Molybdenum..........................................................................................................................................................................0.40--0.60
Copper......................................................................................................................................................................................0.3 Max.
Nitrogen....................................................................................................................................................................................0.30 Min.
Iron............................................................................................................................................................................................Balance.
Physical Constants
|
Microstructure |
Austenitic |
|
Relative Magnetic Permeability |
≤ 1.005 |
|
Yield Strength |
≥758 MPa |
|
Tensile strength |
≥827 MPa |
|
Charpy Impact Energy |
≥100J |
|
Hardness |
Approx. 285–360 HB |
|
Elongation |
＞20% |
Common Specifications:
Round Bar: Ø20–Ø300 mm
Forged Bar: Ø200–Ø500 mm
Hollow Bar: OD/ID according to customer requirements
Main Advantages
1. Excellent Non-Magnetic Performance
HRNM-2 is designed to maintain extremely low magnetic permeability, making it suitable for drilling applications where magnetic interference must be minimized.
2. High Mechanical Strength
The material provides high yield and tensile strength while maintaining good ductility and toughness, making it suitable for heavily loaded downhole components.
3. Excellent Toughness
Good impact toughness helps the material withstand shock and dynamic loads encountered during drilling operations.
4. Stable Austenitic Structure
The Mn-Cr-N alloy design promotes a stable austenitic microstructure and contributes to the material's non-magnetic characteristics.
5. Suitable for Downhole Service
HRNM-2 is suitable for demanding drilling environments and can be supplied as forged or machined components according to customer requirements.
6. Good Machinability and Fabrication Capability
With appropriate heat treatment and machining parameters, HRNM-2 can be processed into bars, drill collars and other precision drilling components.
Why Choose HRNM-2?
Low Magnetic Permeability • High Strength • High Toughness • Austenitic Structure • Reliable Downhole Performance
HRNM-2 provides a practical combination of non-magnetic performance, mechanical strength and toughness for demanding oilfield drilling applications. Products can be supplied as bars or forged components and manufactured to customer drawings, technical specifications and applicable industry requirements.
Applications
Oil & Gas Drilling
HRNM-2 is primarily used for oilfield drilling equipment requiring low magnetic permeability.
Typical applications include:
- Non-Magnetic Drill Collars
- MWD (Measurement While Drilling) Tools
- LWD (Logging While Drilling) Tools
- Downhole Survey Tools
- Non-Magnetic Stabilizers
- Downhole Instrumentation Components
- Directional Drilling Equipment
- Other Non-Magnetic Drilling Components
Non-magnetic drill collars are particularly important for MWD/LWD and directional drilling because they reduce magnetic interference around measurement and navigation instruments.