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RPZ Valve
RPZ Valve
We are a manufacturing and trade combo company with 20 years of experience in steel balls. Our steel ball plant was founded in 1998 and has already received an ISO9001:2015 certificate. We also can supply carbon steel balls, chrome steel balls, plastic balls, ceramic balls, and rollers according to our customer's requirements. So far, we have exported to many countries such as the USA, UK, Italy, Germany, Russia, Brazil, France, Peru, South Africa, etc.
| AISI Number | C% | Si% | Mn% | Cr% | Ni% | Mo% | P% | S% | Property |
|---|---|---|---|---|---|---|---|---|---|
| AISI 304 | 0.07 MAX | 1.00 MAX | 2.00 MAX | 17.0~19.0 | 8.0~10.5 | - | 0.045 MAX | 0.03 MAX | Slightly magnetic, HRC 25min. |
| AISI 316 | 0.07 MAX | 1.00 MAX | 2.00 MAX | 16.5~18.5 | 10.5~13.5 | 2.00~2.50 | 0.045 MAX | 0.03 MAX | Better corrosion resistance than SS304. |
| AISI 420 | 0.07~0.25 | 1.00 MAX | 1.00 MAX | 12.0~14.0 | - | - | 0.045 MAX | 0.03 MAX | Magnetic, martensite steel, HRC 50min. |
| AISI 430 | 0.08 MAX | 1.00 MAX | 1.00 MAX | 15.5~17.5 | - | - | 0.045 MAX | 0.03 MAX | Ferritic stainless steel, high temp resistance. |
| AISI 440 | 0.95~1.20 | 1.00 MAX | 1.00 MAX | 16.0~18.0 | - | - | 0.045 MAX | 0.02 MAX | Martensite, fair corrosion resistance. |
Hardness: HRC25-39 (Special hardness can be made upon request).
Surface: Bright, Zero Defect.
Certification: ISO 9001:2015, RoHS, SGS.
We hope that our products can offer better quality support for you!
A: We provide a wide range of materials including AISI 304, 316, 420, 430, and 440 stainless steel, as well as carbon steel, chrome steel, plastic, and ceramic balls.
A: Yes, we offer free samples for our customers to test and verify the quality before placing a bulk order.
A: Our facility has a strong production capacity of approximately 500,000 pieces per week, ensuring timely delivery for large orders.
A: Yes, we are ISO 9001:2015 certified, and our products comply with RoHS and SGS safety standards.
A: We can supply steel balls with diameters ranging from 1mm up to 90mm, depending on the specific model and material requirement.
A: Absolutely. Special hardness levels can be manufactured according to client requirements, and we offer customized packaging solutions beyond our standard plywood cases.
