Puyang Zhongyi Electronic Technology Co., Ltd.
| Payment Terms | T/T |
| Material Grade | 2205 / 2507； CF8M / 1.4408 / 316L |
| Casting Process | Investment Casting (Lost Wax) |
| Weight | 0.5kg - 150kg（Customized） |
| Dimension | 50mm - 1800mm |
| Tensile Strength | 2205：≥620 MPa；CF8M：≥485 MPa |
| Yield Strength | 2205：≥450 MPa；CF8M：≥175 MPa |
| Brand Name | BAIZHU |
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Product Specification
| Payment Terms | T/T | Material Grade | 2205 / 2507； CF8M / 1.4408 / 316L |
| Casting Process | Investment Casting (Lost Wax) | Weight | 0.5kg - 150kg（Customized） |
| Dimension | 50mm - 1800mm | Tensile Strength | 2205：≥620 MPa；CF8M：≥485 MPa |
| Yield Strength | 2205：≥450 MPa；CF8M：≥175 MPa | Brand Name | BAIZHU |
We specialize in manufacturing Duplex Stainless Steel Pump & Valve Castings using grades such as 2205 (UNS S31803/S32205) and 2507 (UNS S32750) super duplex stainless steel, as well as conventional austenitic grades like CF8M, 316L, and 1.4408. Duplex stainless steel offers a combination of austenitic toughness and ferritic high strength with excellent stress corrosion cracking resistance. With tensile strength exceeding 620 MPa, it is twice as strong as standard 316 stainless steel, making it ideal for high chloride environments such as seawater and chemical media.
Our investment casting process enables the production of complex-shaped Pump Housing/Casing, Impeller, Pump Cover, Inducer, as well as various valve castings including Ball Valve Body, Butterfly Disc, Gate Valve Body, Globe Valve Body, Valve Bonnet, and Valve Seat. Castings achieve dimensional accuracy up to CT6-8 grade with excellent surface finish, significantly reducing machining allowances and lowering customer costs.
Our investment casting production line focuses on various stainless steel and duplex stainless steel castings for the pump and valve industry. Below are our core product types supplied in volume:
These castings are widely used in seawater cooling pumps, chemical centrifugal pumps, oilfield injection pumps, fire pumps, and food-grade sanitary rotary pumps. We highly recommend Duplex Stainless Steel 2205/2507 for seawater pumps and chemical media transfer valves—their excellent pitting and crevice corrosion resistance (PREN ≥ 35) ensures long-term stable operation under harsh conditions.
By choosing us, you receive a one-stop OEM solution for pump & valve castings—from material selection, investment casting, heat treatment, machining, to surface finishing (e.g., pickling & passivation, electropolishing). We are committed to competitive pricing, on-time delivery, and professional pre-sales & after-sales service.
Company Details
Business Type:
Trading Company
Year Established:
2012
Total Annual:
2000-8000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Baizhunet.com is a well-known platform connecting global casting buyers and Chinese foundry factories. Assist global casting purchasers to complete casting customization online purchasing. At present, we have big data of 22,000 casting enterprises in China, which has improved production efficiency. ... Baizhunet.com is a well-known platform connecting global casting buyers and Chinese foundry factories. Assist global casting purchasers to complete casting customization online purchasing. At present, we have big data of 22,000 casting enterprises in China, which has improved production efficiency. ...
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