Low Thermal Expansion Ablation Resistance Custom Milled Surface Tungsten Machined Part

• Customization: Available
• Application: Aviation, Electronics, Industrial, Medical, Chemical
• Standard: ASTM
• Model NO.: Tungsten Alloy Counterweight
• Purity: 90% - 97%
• Alloy: Alloy
• Shape: Lump
• Type: Customized
• Product Name: High-Density Tungsten Weight
• Keywords: Tungsten Alloy Counterweight
• Material: W-Ni-Fe (Magnetic) / W-Ni-Cu (Non-Magnetic)
• Tungsten Content: 90% - 97%
• Density: 16.85 - 18.85 G/Cc
• Hardness: ≤32-35 HRC
• Tensile Strength: 648 - 758 MPa
• Yield Strength: 517 MPa
• Elongation: 1% - 5%
• Block Size: T(0.5-100) × W(2-160) × L(10-400) mm
• Rod Size: Dia(3-400) × L(1-600) mm
• Irregular Parts: Custom Per Drawing
• Surface Finish: Ra 1.6 - 3.2 μm
• Standards: ASTM B777, AMS 7725, AMS-T-21014
• Transport Package: Standard Packaging or Customized
• Specification: Standard Specifications or Customized
• Trademark: KEFENG
• Origin: Shanxi, China
• HS Code: 8101999000
• Production Capacity: 3000kgs Per Month

Product Description

Product Description

TUNGSTEN ALLOY COUNTERWEIGHT
 
Our high-density tungsten alloy counterweight is manufactured using powder metallurgy technology with 90-97% tungsten content.
 
Featuring an exceptional density of 16.85-18.85 g/cc, this tungsten heavy alloy weight delivers maximum mass in minimal space.
 
Available in blocks, rods, and custom shapes, fully compliant with ASTM B777 and AMS 7725 standards for industrial and medical applications.

KEY FEATURE
 
* Density range of 16.85-18.85 g/cc provides approximately 60% more mass than lead in equivalent volume for superior balancing performance.
 
* Available in W-Ni-Fe magnetic alloy and W-Ni-Cu non-magnetic alloy to meet diverse industrial and medical shielding requirements.
 
* Precision-machined surface finishes from Ra 0.1 to Ra 3.2μm with tight tolerances for aerospace and radiation shielding applications.
 
* Custom tungsten weight manufacturing available as blocks, rods, or irregular parts according to your engineering drawings and specifications.

Specification

TECHNICAL PARAMETERS
Product Name	High-Density Tungsten Weight
Keywords	Tungsten Alloy Counterweight
Material	W-Ni-Fe (Magnetic) / W-Ni-Cu (Non-magnetic)
Tungsten Content	90% - 97%
Density	16.85 - 18.85 g/cc
Hardness	≤32-35 HRC
Tensile Strength	648 - 758 MPa
Yield Strength	517 MPa
Elongation	1% - 5%
Block Size	T(0.5-100) × W(2-160) × L(10-400) mm
Rod Size	Dia(3-400) × L(1-600) mm
Irregular Parts	Custom per drawing
Surface Finish	Ra 1.6 - 3.2 μm
Standards	ASTM B777, AMS 7725, AMS-T-21014

Table 1 Composition, Density and Hardness Properties
Class	Nominal Tungsten, weight %	Density, G/cc	Hardness A.B Rockwell “C” max
1	90	16.85-17.30	32
2	92.5	17.15-17.85	33
3	95	17.75-18.35	34
4	97	18.25-18.85	35

Table 2 Tensile Properties, Minimum Values
Standard Alloys			Nonmagnetic A alloy
Class	Ultimate Strength	0.2% Offset Yield(MPa)	El A (%)	Ultimate Strength Ksi(MPa)	0.2% Offset Yield ksi(MPa)	El A (%)
1	110(758)	75(517)	5	94(648)	75(517)	2
2	110(758)	75(517)	5	94(648)	75(517)	2
3	105(724)	75(517)	3	94(648)	75(517)	1
4	100(689)	75(517)	2	na	na	na

Detailed Photos

ECO-FRIENDLY LEAD REPLACEMENT SOLUTION
 
Transitioning away from hazardous lead-based counterweights is now seamless with our tungsten heavy alloy alternatives. Our products are fully RoHS and REACH compliant, offering a non-toxic, environmentally responsible solution without compromising on density or mechanical performance. Meet evolving global environmental standards while enhancing your product safety profile and market competitiveness.

CERTIFIED QUALITY WITH FULL TRACEABILITY
 
Each tungsten alloy counterweight is manufactured under strict quality management systems with comprehensive material certification and batch traceability documentation. Our rigorous inspection protocols, including ultrasonic testing and dimensional verification, guarantee consistent metallurgical properties and mechanical performance across every production run, eliminating supply chain risks and ensuring seamless integration into your manufacturing processes.

INTEGRATED ENGINEERING AND MANUFACTURING SUPPORT
 
Our experienced metallurgical engineers collaborate directly with your design team from concept through production, providing DFM optimization, material selection guidance, and prototype development services. This vertically integrated approach streamlines procurement, reduces lead times, and ensures your custom tungsten components meet exact specifications while minimizing the total cost of ownership.

FAQ

Q1: What are your main products?
A: Tungsten alloy rods, blocks, rings, sheets, and processed parts.

Q2: Why should I choose your company as a partner?
A: As you know, low-cost raw materials make your products more competitive in the market. It means it will make your sales easier.

Q3: Can the delivery time of tungsten alloy products be shorter?
A: Usually, we ensure that all orders are delivered within 30 days. Tungsten copper 15 days.

Q4: Can the price be lower?
A: We use first-class tungsten powder with high cost.

Q5: What is the MOQ of your products?
A: Please send an email to inquire about different products.