UNS N06030 Hastelloy G30 Seamless Tube
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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- Tel: +8615824687445
Hastelloy G-30 seamless tube is a kind of pipe or tube without weld seam. So its leakproofness and high pressure resistance is more better than that of welded tube. Hastelloy G-30 has excellent corrosion resistance and high temperature resistance. So if your project demand to work in the special or extreme environment, our Hastelloy G-30 seamless tube is your best choice.
Hastelloy G30 Tube Specifications
| Size | 15 NB to 150 NB IN |
|---|---|
| Type | Seamless / ERW / Welded / Fabricated / Hollow / LSAW Pipes |
| wall thickness | 035" –.095′, (special wall thicknesses available) |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Form | Round, Square, Rectangular, Hydraulic, Straight or 'U' bent Tubes Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded. |
| Surface Finish |
1/2 inch through 1" tubing is mechanically polished with an inner diameter (ID) of 20 Ra µ-inch (0.5 µm) Outer diameter (OD) of 32 µ-inch (0.8 µm). 1-1/2 and 2 inch Alloy G30/ G35 tubing is available with a sanitary finish that is better than traditional commercial grade tube finish, and suitable for applications in sanitary/ high purity hygienic industries. 3 inch Alloy G30/ G35 tubing is available with a mill finish ID and OD. |
| Marking | All s are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.) |

Hastelloy Alloy Seamless Tubes Features
Superior Corrosion Resistance – Hastelloy G 30 Seamless Tubes have a high level of corrosion resistance, which makes them ideal for use in harsh environments. This alloy can withstand both oxidizing and reducing environments, including sulfuric acid, hydrochloric acid, nitric acid, and other corrosive chemicals. Alloy G30 Seamless Tubing further resists corrosion by eliminating the weak spots that exist in welded tubes.
Higher Strength- Hastelloy G 30 seamless tubes exhibit higher strength compared to other nickel alloys. This is due to the alloy's material composition, which includes molybdenum and chromium. The seamless production process also results in fewer defects, making it a stronger and more reliable choice. Additionally, the higher strength makes these tubes ideal for use in high-pressure applications.
Increased Durability – Hastelloy G 30 seamless pipes are designed to withstand extreme temperatures and pressures. The seamless design reduces the risk of cracking, which is common in welded tubes. The tubes are also resistant to pitting and crevice corrosion, making them an ideal choice for applications that involve seawater or brine.
Reduced Maintenance – Choosing Hastelloy G 30 seamless tubes can reduce your maintenance costs. This type of tube eliminates the need for continuous maintenance due to its superior resistance to corrosion. Additionally, the seamless design means there are no weld beads that can trap particles, making cleaning and maintenance easier.
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