Hunan Dinghan New Material Technology Co., LTD
| Tensile Strength | ≥690 MPa |
| Payment Terms | T/T |
| Sheet Thickness | 0.3mm - 6.0mm |
| Supply Ability | Negotiable |
| Density | 8.9 g/cm³ |
| Plate Thickness | 0.5mm - 80mm |
| Pipe OD Range | 6mm - 610mm |
| Round Bar Diameter | 6mm - 300mm |
| Delivery Time | (Sample Order) 7 days |
| Packaging Details | According to Customers' Requests |
| Model Number | C-276 / UNS N10276/W.Nr.2.4819/NS336 |
| Brand Name | DINGSCO |
| Place of Origin | China |
| Certification | ISO 9001:2015, PED2014/68/EC, API6A |
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Product Specification
| Tensile Strength | ≥690 MPa | Payment Terms | T/T |
| Sheet Thickness | 0.3mm - 6.0mm | Supply Ability | Negotiable |
| Density | 8.9 g/cm³ | Plate Thickness | 0.5mm - 80mm |
| Pipe OD Range | 6mm - 610mm | Round Bar Diameter | 6mm - 300mm |
| Delivery Time | (Sample Order) 7 days | Packaging Details | According to Customers' Requests |
| Model Number | C-276 / UNS N10276/W.Nr.2.4819/NS336 | Brand Name | DINGSCO |
| Place of Origin | China | Certification | ISO 9001:2015, PED2014/68/EC, API6A |
| High Light | Nickel Molybdenum Chromium Superalloy ，Multi-Form Bar Plate Pipe Supply ，Excellent Corrosion Resistance Performance | ||
1.Material Overview
Hastelloy C-276 is a premier nickel-molybdenum-chromium superalloy with tungsten addition, engineered to deliver excellent corrosion resistance across a wide spectrum of aggressive chemical environments. It is highly resistant to hot contaminated mineral acids, wet chlorine gas, and seawater.
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | Balance | ~57 |
| Carbon (C) | — | 0.01 |
| Silicon (Si) | — | 0.08 |
| Manganese (Mn) | — | 1.00 |
| Phosphorus (P) | — | 0.04 |
| Sulfur (S) | — | 0.03 |
| Chromium (Cr) | 14.5 | 16.5 |
| Molybdenum (Mo) | 15.0 | 17.0 |
| Iron (Fe) | 4.0 | 7.0 |
| Cobalt (Co) | — | 2.5 |
| Tungsten (W) | 3.0 | 4.5 |
| Vanadium (V) | — | 0.35 |
| Property | Value | Unit |
|---|---|---|
| Density | 8.9 | g/cm³ |
| Specific Heat | 436 | J/kg·K |
| Electrical Resistivity | 130 | μΩ·cm |
| Thermal Conductivity | 10.8 | W/m·K |
| Thermal Diffusivity | 2.8 * 10⁻⁶ | m²/s |
| Thermal Expansion (20–100°C) | 12.2 | 10⁻⁶/°C |
| Thermal Expansion (20–200°C) | 12.5 | 10⁻⁶/°C |
| Thermal Expansion (20–300°C) | 12.9 | 10⁻⁶/°C |
| Thermal Expansion (20–400°C) | 13.2 | 10⁻⁶/°C |
| Thermal Expansion (20–500°C) | 13.6 | 10⁻⁶/°C |
| Young's Modulus | 211 | GPa |
| Shear Modulus | 80.8 | GPa |
| Melting Range | 1325–1369 | °C |
| Condition | YS (MPa) | TS (MPa) | EL (%) | Hardness (HRB) |
|---|---|---|---|---|
| Standard | ≥283 | ≥690 | ≥40 | ≤100 |
| HR 14mm | 372 | 763 | 71 | 83 |
| CR 12mm | 319 | 738 | 76 | 83 |
| CR 2mm | 366 | 785 | 61 | 86 |
Hastelloy C-276 (NAS NW276) demonstrates dramatically superior pitting and crevice corrosion resistance compared to conventional stainless steels and other nickel alloys, as measured by Critical Pitting Temperature (CPT) and Critical Crevice Temperature (CCT) testing.
| Alloy | CPT (°C) | CCT (°C) |
|---|---|---|
| NAS NW276 (C-276) | >120 | >120 |
| NAS 254N | 80 | 80 |
| NAS 329J3L | 50 | 45 |
| SUS 316L | 10 | 25 |
DINGSCO is a trusted manufacturer and supplier of high-performance nickel alloys, serving industries worldwide with comprehensive material solutions. We specialize in Hastelloy C-276 (UNS N10276) and a full range of nickel alloy grades available in round bar, plate, sheet, and pipe forms.
Our mission is to provide our customers only with the best quality products. As an ISO 9001:2015, PED2014/68/EC, and API6A certified manufacturer, we enforce strict quality control at every production stage — from raw material inspection through final delivery. Every shipment is accompanied by full Material Test Certificates (MTC) for complete traceability.
We are committed to understanding customer needs and implementing product innovation. By leveraging our full range of product types and material grades, we deliver one-stop service solutions. Continuous improvement drives our optimization of materials, processes, and equipment to stay at the forefront of nickel alloy manufacturing.
We believe in mutual growth through partnership. Our team actively collaborates with customers at every project stage — from material selection and specification to custom fabrication and delivery. We share expertise and work alongside diverse industries to solve the most demanding material challenges.
Contact DINGSCO today for a competitive quotation on Hastelloy C-276 in any form. Custom dimensions, full MTC, and certified quality guaranteed with every order.
12.MATERIAL SELECTION:
13.CUSTOMIZED PRODUCTS:
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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