Beryllium Copper Non Sparking Plate
Grade Equivalents: UNS C17200 / CuBe2 / Alloy 25 / RWMA Class 4 / EN CW103C
Application Focus: Resistance Welding Platens, Heavy-Duty Fixtures, Electrode Holders, & Dies
Executive Standards: RWMA Bulletin #16 (Class 4), ASTM B194, ISO 5182
Size Range: Thickness 10mm - 150mm, Custom Width and Length Cut-to-Size Available
Temper Condition: Solution Heat-Treated & Age-Hardened (TF00 / AT) for Maximum Rigidity
Core Purpose: Ultimate Mechanical Strength and Compressive Stability for Severe Resistance Welding
Quality Assurance: ISO9001:2015, RoHS Compliant, MTC 3.1 Certified
Description
Beryllium Copper Non Sparking Plate for Heavy-Duty Welding & Hazardous Environments — RWMA Class 4 C17200 Solution
Beryllium Copper Non Sparking Plate (C17200 / CuBe2 / Alloy 25) Dongguan Jiaye Dingsheng Precision Casting & Forging Co., Ltd. Application: Applicable to hazardous working situations requiring spark avoidance and stable structural performance. According to RWMA Class 4, ASTM B194 and ISO 5182, the plate is 1.80–2.00% beryllium, 1320 MPa tensile strength and 36–42 HRC hardness. We can provide cut to size service from 10-150mm thickness plates. Stock items are sent within 3-5 days and fully ISO 9001, RoHS, REACH compliant with EN 10204 3.1 test certifications.
What Is a Beryllium Copper Non Sparking Plate?
Beryllium Copper Non Sparking Plate is an industrial copper alloy that is made for safety. Unlike steel materials that produce sparks under frictional and impact forces, this C17200 alloy provides thermomechanical energy absorption and dissipation, so that sparks are not generated during operation.
It is a non-magnetic material with a permeability less than 1.001, and has stable structure in low temperature and harsh working circumstances, suited for explosive and high risk working zone in petrochemical, aerospace and defence sectors.
Technical Specifications
| Parameter | Value |
|---|---|
| Grade / Standard | UNS C17200 / CuBe2 / Alloy 25 / RWMA Class 4 |
| Equivalent Standards | ASTM B194 / ISO 5182 / EN CW103C |
| Beryllium Content | 1.80 – 2.00% |
| Co + Ni Content | Min 0.20% |
| Balance | Copper |
| Temper Condition | Solution Heat-Treated & Age-Hardened (TF00 / AT) |
| Tensile Strength | 1110 – 1320 MPa |
| Yield Strength | 950 – 1150 MPa |
| Compressive Strength | 1070 – 1240 MPa |
| Hardness (Aged) | 36 – 42 HRC / 350 – 420 HV |
| Electrical Conductivity | 22 – 25% IACS |
| Thermal Conductivity | 105 W/m·K |
| Thickness Range | 10mm – 150mm |
| Width & Length | Custom cut-to-size available |
Key Material Properties
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Stable mechanical performance: Aging treatment brings stable hardness and strength, matching the mechanical parameters of high-strength alloy steel while eliminating spark risks.
-
Non-magnetic feature: Low magnetic permeability fits precision calibration and maintenance work in aerospace scenarios.
Product Advantages
- Fully conforms to RWMA Class 4 criteria, may be directly used for heavy-duty welding assembly without further verification.
- The high yield and compressive strength prevents the plate from deflecting under long term hydraulic and pneumatic clamping pressure.
- The high-hardness surface prevents impact-induced friction and distortion, which reduces surface damage in high-cycle welding production.
- Non-sparking performance is a consequence of intrinsic alloy qualities, no coating attenuation throughout service life.
- Industrial batch application and inspection supported by full batch certification and quality papers.
Application Scenarios
- Oil & Petrochemical Industry: For explosion resistant parts and specific tooling in flammable gas operating areas to fulfil site safety rules.
- Applied in welding platens, backup dies, and clamping parts, stabilised heat dissipation, and structural size in high-cycle welding.
- Aerospace & Marine Engineering: For military and marine components with non-sparking, non-magnetic and high strength comprehensive performance.
Quality Control Process
We implement full-process inspection for all finished plates, including OES chemical composition detection, Rockwell hardness testing, dimensional tolerance calibration and ultrasonic internal flaw detection. All products follow ISO 9001 quality system management to achieve full batch traceability, with unqualified products reprocessed instead of delivered.
Customization and Supply Options
We support custom size, hardness and conductivity parameter adjustment, with integrated vacuum melting, rolling, heat treatment and CNC processing. In-stock goods ship within 3–5 days, and custom order quotations are replied within 24 hours. We provide complete international logistics and customs document services.
FAQ
Q1: How does beryllium copper compare with aluminum bronze?
A1: Beryllium copper has stronger hardness and wear resistance and is more suitable for long term heavy duty welding and structural bearing applications.
Q2. Is the plate machined?
A2: Solid plates are safe to touch. Processing must be done with professional ventilation and dust removal equipment according to safety rules.
Q3: Does the non-sparking performance degrade with time?
A3: This is a characteristic feature of the alloy and will not be influenced by wear of the surface or by the time of service.
Q4: Can it be used in low temperature environments?
A4: It has stable toughness at sub-zero temperature, which is appropriate for low temperature and cryogenic operating condition.
Q5: What documents can you offer for shipment?
A5: Each batch is supplied with EN 10204 3.1 certificates including composition, hardness and conductivity test results.
Contact Us
If you have procurement and technical customization needs for Beryllium Copper Non Sparking Plate, please send your detailed requirements to js01@jstongcai.com.cn.
