Huanyuchang is the general agent of Japanese metallurgical steel plate in South China.
Specializing in the deep processing of PCB, CCL, IC carrier board and other industrial use of the laminated steel plate
There are two types of steel plates : ordinary steel plate ( NAS630 precipitated hardening steel plate ) and high expansion coefficient steel plate ( NAS301 precipitated hardening steel plate ).
The company has its own processing center and production team, which can provide customers with one-stop service of vehicle, sales, processing and maintenance, so as to help improve customer quality and reduce customer cost.
We sincerely, honest, high-precision technology, a serious attitude towards each customer, so that we are satisfied with both customers.
Projects undertaken :
Pressing steel plate processing, leveling, grinding, polishing, trimming, repair
Usage : Used for PCB, CCL, FCCL, FPCB, aluminum substrate and other factories.
General Agent for Japanese Metallurgical Steel Plates :Huanyuchang serves as the general agent for Japanese metallurgical steel plates in South China, specializing in the deep processing of steel plates for industries such as PCB (Printed Circuit Board), CCL (Copper Clad Laminate), IC carrier boards, and other industrial applications. We offer two main types of steel plates: standard steel plates (NAS630 precipitated hardening steel plate) and high-expansion coefficient steel plates (NAS301 precipitated hardening steel plate). Our company is equipped with its own processing center and production team, enabling us to provide customers with a one-stop service that includes transportation, sales, processing, and maintenance. This comprehensive approach helps improve product quality and reduce costs for our customers.
Comprehensive Processing Services :Our company offers a wide range of processing services, including pressing steel plate processing, leveling, grinding, polishing, trimming, and repair. With advanced equipment and a skilled production team, we ensure high precision and quality in every step of the process. Our goal is to meet the diverse needs of our customers, whether they require standard steel plates or customized solutions for specific industrial applications.
Applications :Our steel plates are widely used in industries such as PCB, CCL, FCCL (Flexible Copper Clad Laminate), FPCB (Flexible Printed Circuit Board), and aluminum substrate manufacturing. These industries require high-quality steel plates with excellent durability, precision, and performance, which our products consistently deliver. Whether it's for electronic components or industrial machinery, our steel plates provide reliable support and enhance the overall efficiency of production processes.
Commitment to Quality and Customer Satisfaction :At Huanyuchang, we are committed to providing our customers with high-quality products and services. We approach each project with sincerity, honesty, and a focus on high-precision technology. Our dedicated team ensures that every customer receives personalized attention and solutions tailored to their specific needs. We strive to achieve complete customer satisfaction by delivering products that meet the highest standards of quality and performance.
Product type project | NAS630 | NAS301 | ||
Mass-Lam | Pin-Lam | Mass-Lam | Pin-Lam | |
Thickness | 1.0~2.5mm | 1.0~2.5mm | 1.0~1.8mm | 1.0~1.8mm |
Width | ≦1300mm | ≦1300mm | ≦1060mm | ≦1060mm |
Length | ≦2410mm | ≦2410mm | ≦3150mm | ≦3150mm |
Plate thickness tolerance | ±0.05mm | ±0.05mm | ±0.05mm | ±0.05mm |
Roughness | Ra≦0.15㎛ Rz≦1.5㎛ | Ra≦0.15㎛ Rz≦1.5㎛ | Ra≦0.15㎛ Rz≦1.5㎛ | Ra≦0.15㎛ Rz≦1.5㎛ |
Hole-to-hole tolerances for positioning holes | -- | +0.1/-0mm | -- | +0.1/-0mm |
Standard bushing slot hole tolerances | -- | +0.05/-0mm | -- | +0.05/-0mm |
Warpage degree | ≦3mm/m | ≦3mm/m | ≦3mm/m | ≦3mm/m |
Dimension tolerances | -0/+1mm | -0/+1mm | -0/+1mm | -0/+1mm |
Endurance | ≧1175(N/mm²) | ≧1175(N/mm²) | ≧205(N/mm²) | ≧205(N/mm²) |
Tensile strength | ≧1400(N/mm²) | ≧1400(N/mm²) | ≧520(N/mm²) | ≧520(N/mm²) |
Extensionality | ≧5% | ≧5% | ≧40% | ≧40% |
Hardness ( HRC ) | 50±2 | 50±2 | 44±2 | 44±2 |
Type | C | Si | Mn | Ni | Cr | Mo | Cu | other |
NAS630 | ≦0.07 | ≦1 | ≦1 | 3~5 | 15~17.5 | - | 3~5 | Nb0.15~0.45 |
NAS301 | ≦0.15 | ≦1 | ≦2 | 6~8 | 16~18 | - | - | - |
Steel plate type | Project | Scope of application | Standard value |
NAS630 | specific gravity |
| 8.03 |
mean coefficient of thermal expansion (10-6/℃) | 0-400℃ | 10~12 | |
NAS301 | specific gravity |
| 8.03 |
mean coefficient of thermal expansion (10-6/℃) | 0-400℃ | 15~17 |
Steel plate type | bench markW/(m*k) | 0-200℃ | 200-400℃ |
NAS630 | 18~23 | 18 | 23 |
NAS301 | 17~21 | 17 | 21 |



Service quality assurance : Ensure that service providers have the professional skills and good attitude to provide high-quality services. Timely response and solve problems, for customer problems and needs, service support personnel should respond in a timely manner and give effective solutions.
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