Hunan Dinghan New Material Technology Co., LTD
| Payment Terms | T/T |
| Standard | ASTM B564 , ASME SB564 |
| Yield Strength | ≥ 241 MPa (35 ksi) |
| Supply Ability | Negotiable |
| Material Grade | Incoloy 825 / UNS N08825 / W.Nr. 2.4858 |
| Hardness | ≤100 HRB |
| Condition | Solution Annealed + Precision Machined |
| Tensile Strength | ≥ 586 MPa (85 ksi) |
| Packaging Details | Standard Export Package |
| Delivery Time | (Sample Order) 7 days |
| Elongation | ≥ 30% |
| Density | 8.14 g/cm³ |
| Modulus of Elasticity | 196 GPa |
| Max Operating Temperature | ≤540°C（1000°F） |
| Model Number | Incoloy 825 |
| Brand Name | DINGSCO |
| Certification | ISO 9001:2015, ASTM B564 , ASME SB564 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Standard | ASTM B564 , ASME SB564 |
| Yield Strength | ≥ 241 MPa (35 ksi) | Supply Ability | Negotiable |
| Material Grade | Incoloy 825 / UNS N08825 / W.Nr. 2.4858 | Hardness | ≤100 HRB |
| Condition | Solution Annealed + Precision Machined | Tensile Strength | ≥ 586 MPa (85 ksi) |
| Packaging Details | Standard Export Package | Delivery Time | (Sample Order) 7 days |
| Elongation | ≥ 30% | Density | 8.14 g/cm³ |
| Modulus of Elasticity | 196 GPa | Max Operating Temperature | ≤540°C（1000°F） |
| Model Number | Incoloy 825 | Brand Name | DINGSCO |
| Certification | ISO 9001:2015, ASTM B564 , ASME SB564 | Place of Origin | China |
Incoloy 825 (UNS N08825) nickel alloy seat rings are manufactured from a nickel-iron-chromium corrosion-resistant alloy, offering excellent resistance to acidic environments, pitting, crevice corrosion and stress corrosion cracking. Precision machining provides accurate dimensions and reliable sealing fit, making them suitable for ball valves, gate valves and other valve applications in oil & gas, chemical processing, offshore engineering and highly corrosive service environments.
| Element | Ni | Cr | Fe | Cu | Mo | Ti | C | Mn | Si | Al | S |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | 38.0–46.0 | 19.5–23.5 | ≥22.0 | 1.5–3.0 | 2.5–3.5 | 0.6–1.2 | ≤0.05 | ≤1.0 | ≤0.5 | ≤0.2 | ≤0.03 |
| Property | Value |
|---|---|
| Tensile Strength (Rm) | ≥ 586 MPa (85 ksi) |
| Yield Strength (Rp0.2) | ≥ 241 MPa (35 ksi) |
| Elongation (A5) | ≥ 30 % |
| Density | 8.14 g/cm³ |
| Hardness | ≤100 HRB |
| Modulus of Elasticity | 196 GPa |
| Max Service Temperature | ≤ 540°C(1000°F) |
Incoloy 825 (UNS N08825) seat rings are forged per ASTM B564 for API 6A sour‑service valves, NACE MR0175 compliant. Inspection scope covers PT, UT, tensile test, OES, PMI, hardness and dimensional check. Complete material traceability is ensured; MTR, heat‑treatment and NDT reports are available on request.
Contact our sales team today for a competitive quote, technical datasheet, or to discuss your custom forging requirements.
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1998
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications. We have complete advanced technology facilities t... Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications. We have complete advanced technology facilities t...
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