1.HASTELLOY G-30 Overview:

HASTELLOY Alloy G-30 (UNS N06030) Ni 46, Cr 30.0 Fe 15.0, Mo 5.5, W 2.5

HASTELLOY G-30 alloy (UNS N06030) is a nickel-chromium-iron material highly resistant to “wet process” phosphoric acid (P2O5). P2O5 is one of the most important industrial chemicals, being the primary source of phosphorus for agrichemical fertilizers. G-30 alloy is also moderately resistant to chloride-induced localized attack, which can be a problem beneath deposits in the evaporators used to concentrate P2O5. Furthermore, G-30 alloy is less susceptible to chloride-induced stress corrosion cracking than the stainless steels.

Elementary composition :

Nickel: Balance
Chromium: 28.00 - 31.50
Iron: 13.00- 17.00
Molybdenum: 4.00 - 6.00
Copper: 1.00 - 2.40
Tungsten: 1.5-4.0
Cobalt: 5.00 max
Manganese: 1.50 max
Columbium + Tantalum: 0.30-1.50
Carbon: 0.03 max
Phosphorus: 0.04 max
Silicon: 0.80 max
Sulfur: 0.02 max

Physical Properties

Density: 0.297 lbs/in3 , 8.22 g/cm3

Mean Coefficient of Thermal Expansion: in/in/ °F (mm/m/ °C):
70-212 °F (20- 100 °C): 7.1 x 10-6 (12.8)

Thermal Conductivity: BTU-in/h-ft-°F (W/m-°K): 70 °F (21 °C): 71 (10.2)

Modulus of Elasticity: ksi (MPa) 29.3 x 103 (202 x 103) in tension

Melting Point (approximate): 2550 °F (1399 °C)

Hastelloy G-30 Specification:

Applications

The following are the major applications of HASTELLOY(r) G30(r) alloy:

Chemical process equipment

Reheater tubes

Pump components

Agitator blades

Reboilers in nuclear waste reprocessing.

2.Regular packaging for Nickel Alloy G-30 ASTM B622 UNS N06030 Hastelloy G30 seamless pipe​:

Woven:

Wooden:

3.Process for Nickel Alloy G-30 ASTM B622 UNS N06030 Hastelloy G30 seamless pipe​:

4.ADDITIONAL PROPERTIES for Nickel Alloy G-30 ASTM B622 UNS N06030 Hastelloy G30 seamless pipe:

CORROSION RESISTANCE

Hastelloy® G-30 shows superior corrosion resistance in commercial phosphoric acids as well as complex environments containing highly oxidizing acids such as nitric/hydrochloric, nitric/ hydrofluoric and sulfuric acids. Refer to NACE (National Associate of Corrosion Engineers) for recommendations.

FINISHES

#1 - Hot rolled annealed and descaled. It is available in strip, foil and ribbon. It is used for applications where a smooth decorative finish is not required.

#2D - Dull finish produced by cold rolling, annealing and descaling. Used for deep drawn parts and those parts that need to retain lubricants in the forming process. #2B - Smooth finish produced by cold rolling, annealing and descaling. A light cold rolling pass is added after anneal with polished rolls giving it a brighter finish than 2D.

#BA- Bright annealed cold rolled and bright annealed

#CBA- Course bright annealed cold rolled matte finish and bright anneal

#2 - Cold Rolled #2BA- Smooth finish produced by cold rolling and bright annealing. A light pass using highly polished rolls produces a glossy finish. A 2BA finish may be used for lightly formed applications where a glossy finish is desired in the form part. Polished -Various grit finish for specific polish finished requirements.

* Not all finishes are available for all alloys - Contact Ulbrich Sales for more information.

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