Hunan Dinghan New Material Technology Co., LTD
| Hardness | 36 ~ 45 HRC |
| Delivery Time | (Sample Order) 7 days |
| Elongation | ≥ 12% |
| Condition | Solution Annealed + Age Hardened |
| Tensile Strength | ≥ 1276 MPa (185 ksi) |
| Packaging Details | Standard Export Package |
| Payment Terms | T/T |
| Standard | ASTM B637 , ASME SB637 |
| Yield Strength | ≥ 1034 MPa (150 ksi) |
| Supply Ability | Negotiable |
| Material Grade | Inconel 718 / UNS N07718 / W.Nr. 2.4668 |
| Modulus of Elasticity | 200 GPa |
| Density | 8.19 g/cm³ |
| Max Operating Temperature | ≤ 650°C(1200°F) |
| Model Number | Inconel 718 |
| Certification | ISO 9001:2015, ASTM B637, ASME SB637 |
| Brand Name | DINGSCO |
| Place of Origin | China |
View Detail Information
Explore similar products
Nickel Alloy 625 Valve Ball High Precision UNS N06625 Ball Valve Parts
Incoloy 825 Flange Seat Ring Large Caliber Valve Sealing Seat Compression Ring
Duplex F55 Flanged Check Valve Stainless Steel Flanged Connection
API Valve Seat Incoloy 925 Nickel Based Forged Steel For Oil / Gas
Product Specification
| Hardness | 36 ~ 45 HRC | Delivery Time | (Sample Order) 7 days |
| Elongation | ≥ 12% | Condition | Solution Annealed + Age Hardened |
| Tensile Strength | ≥ 1276 MPa (185 ksi) | Packaging Details | Standard Export Package |
| Payment Terms | T/T | Standard | ASTM B637 , ASME SB637 |
| Yield Strength | ≥ 1034 MPa (150 ksi) | Supply Ability | Negotiable |
| Material Grade | Inconel 718 / UNS N07718 / W.Nr. 2.4668 | Modulus of Elasticity | 200 GPa |
| Density | 8.19 g/cm³ | Max Operating Temperature | ≤ 650°C(1200°F) |
| Model Number | Inconel 718 | Certification | ISO 9001:2015, ASTM B637, ASME SB637 |
| Brand Name | DINGSCO | Place of Origin | China |
ASTM B637 Inconel 718 (UNS N07718) nickel alloy valve stems are made from precipitation-hardened nickel alloy, featuring high strength, excellent corrosion resistance, fatigue resistance, and dimensional stability. They are designed for high-pressure, high-temperature, and severe service conditions, widely used in oil & gas, offshore, chemical processing, and industrial valve applications.
| Element | Ni | Cr | Fe | Nb + Ta | Mo | Ti | Al | Co | C | Mn | S |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Range | 50.00–55.00 | 17.00–21.00 | Balance | 4.75–5.50 | 2.80–3.30 | 0.65–1.15 | 0.20–0.80 | ≤1.00 | ≤0.08 | ≤0.35 | ≤0.015 |
| Property | Value |
|---|---|
| Tensile Strength (Rm) | ≥ 1276 MPa (185 ksi) |
| Yield Strength (Rp0.2) | ≥ 1034 MPa (150 ksi) |
| Elongation (A5) | ≥ 12 % |
| Density | 8.19 g/cm³ |
| Hardness | 36 ~ 45 HRC |
| Modulus of Elasticity | 200 GPa |
| Max Service Temperature | ≤ 650°C(1200°F) |
All DINGSCO Inconel 718 (UNS N07718) valve stems are manufactured in accordance with ASTM B637 and are suitable for API 6A high-pressure valve applications. Inspections include PT (ASTM E165/E165M), UT (ASTM A388), tensile testing (ASTM E8/E8M), OES chemical analysis, PMI, hardness testing (ASTM E18), and dimensional verification. Full material traceability is maintained throughout the manufacturing process, with MTRs, heat-treatment records, and NDT reports available upon 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...
Get in touch with us
Leave a Message, we will call you back quickly!