GH3030 High Temperature Alloy Tubes | Custom Size Information

GH3030 High Temperature Alloy Tubes | Custom Size Information
GH3030 is a nickel-based (approximately 70-80% Ni, 20% Cr) solid solution strengthened superalloy. Optimized for excellent oxidation resistance and thermal fatigue performance at temperatures ranging from 800°C to 1100°C, GH3030 is available in seamless tubes of various sizes (typically 6-273mm outer diameter, 81-30mm wall thickness) and lengths (up to 8m, or customizable). Suitable for aerospace and industrial heating applications, it offers a variety of surface treatment options (pickling, bright annealing).
What are the components of GH3030?
GH3030 is a solid solution strengthened superalloy, primarily composed of nickel (Ni) and chromium (Cr), typically with 80% Ni and 20% Cr. This simple yet efficient alloy system provides excellent mechanical and chemical stability even under harsh conditions.

Do you need GH3030 nickel alloy in a specific size but can't find it in the standard product catalog? Our factory has a full range of GH3030 high-temperature alloy tubing and bars in standard sizes, and we also provide customized production services according to your non-standard requirements. Whether it's a single high-precision part or mass production, we can meet your needs with our in-stock inventory and customized material supply information.
| Specifications of High Temperature Gh3030 PIPES / TUBE: |
| Grade | High Temperature Gh3030 |
| Range | 1/2″ Nominal Bore To 16″Nominal Bore |
| Length | Single Random, Double Random & Cut Length. |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Type | Seamless / ERW / Welded / Fabricated / EFW |
| Applications | Off-Shore Oil Drilling Companies, Power Generation, Petrochemicals, Gas Processing, Specialty Chemicals, Pharmaceuticals, Pharmaceutical Equipment, Chemical Equipment, Sea Water Equipment, Heat Exchangers, Condensers, Pulp and Paper Industry |
| Equivalent Grades Of High Temperature Gh3030 Pipe: |
| China | Russia |
| GH3030 | XH78T |
| Chemical Composition Of High Temperature Gh3030 Tube: |
| Grade | C | Mn | Si | S | Ti | Fe | Ni | Cr | P | Al |
| GH3030 | 0.12 max | 0.70 max | 0.80 max | 0.02max | 0.15-0.35 | 1.5max | balance | 19.00 – 22.00 | 0.03 | 0.15 |
1. Comprehensive GH3030 Material Inventory
As a leading stocker and manufacturer of high-temperature alloys, Gnee Steel maintains a complete inventory of GH3030 (Nimonic 75/EI435 equivalent alloy) products, ready for immediate worldwide shipment.
Seamless Tubes: From precision capillary tubes (6mm outer diameter) to heavy-duty industrial pipes (114mm outer diameter).
Round Bars: Available in hot-rolled, forged, and bright-polished finishes (Φ 6.0mm – Φ 250mm).
Sheets: Cold-rolled sheets (for stamping) and hot-rolled plates (for structural components).
Standards: Fully compliant with GB/T 14992, GJB 2297, and equivalent international standards.



2. Gnee Steel's Dimensioning Services
We understand that a "one-size-fits-all" approach doesn't work in aerospace and high-end manufacturing. Our factory is equipped with advanced processing technology to customize dimensions to your specific specifications.
Precision Sawing: We can cut GH3030 round tubes and bars to specific lengths with tolerances controlled within +2mm/-0mm, saving materials and processing time.
Laser Cutting and Waterjet Cutting: For GH3030 sheet metal, we offer precision profile cutting services to create near-net-shape components for your complex parts.
Custom Sizes: If your required size isn't in our inventory, we can custom cold draw or forge according to your drawings.
No Order Size Limits: From prototype testing (10kg) to industrial wholesale (10 tons), we offer the same professional service.



3. Why Choose Our GH3030 Inventory and Supply?
Speed and reliability are paramount in the high-temperature alloy sourcing field.
Fast Inquiry Response: Receive price and technical information for GH3030 materials within 12 hours.
Aerospace-Grade Quality: All inventory products are manufactured using vacuum melting (VIM) + electroslag remelting (ESR) processes and come with an EN 10204 3.1 factory test certificate (MTC).
Factory Direct Pricing: Source directly from the manufacturer and enjoy wholesale prices.
Global Logistics: Decades of experience in air and sea freight, serving the USA, Europe, Russia, India, and the Middle East.

Gnee Steel GH3030 certificate
Contact us now to get the latest export price for GH3030 in 2026

Contact us for a quote on high-performance GH3030 tubing!
Stop paying exorbitant prices for Western brands. We can offer you the same aerospace-grade GH3030 superalloy tubing at a lower price. Our team is ready to provide you with a rapid quote (RFQ) within 12 hours.
Email: [ru@gneesteelgroup.com]
WhatsApp/WeChat: +86 15824687445
Website: [https://www.china-plate-steel.com/]
FAQ
Q: Can I buy a small piece of GH3030 rod for testing?
A: Absolutely. We support small trial orders for all items in our ready-to-ship inventory. We believe that high-quality material should be accessible for R&D and small-scale fabrication.
Q: What is the lead time for custom-cut GH3030 plates?
A: For standard cutting from our plate stock, we typically ship within 3-5 business days. For complex laser-cut profiles, the lead time is usually 7-10 days.
Q: Do you provide material with non-standard tolerances?
A: Yes. We can provide precision ground bars with h8 or h9 tolerances and cold-drawn tubes with specialized wall thickness requirements that exceed standard commercial norms.
Q: How can I get the latest GH3030 inventory list?
A: Our GH3030 material supply information is updated weekly. Simply click the "Check Stock List" button or contact our sales team via WhatsApp for the most current availability.




