Cold Rolling Hastelloy Pipe EFW ASTM B474 UNS N06030 Nickel Alloy G30 Hastelloy G30 Pipe

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
Super alloys or high performance alloys are used in environments with very high temperature above 540ºC (1000ºF) where deformation resistance and high surface stability are chiefly required. They have good oxidation and creep resistance. Cobalt-base, nickel-base and iron-base alloys are the three major types of super alloys. The iron-base super alloys are generally wrought alloys provided with stainless steel technology. Nickel-base and cobalt-base super alloys may be cast or wrought based on its composition or application. Super alloys can be generally forged, rolled to sheet or produced in different shapes. Highly alloyed compositions are formed as castings. They can be strengthened using hardening techniques like work hardening, solid-solution hardening and precipitation hardening.
HASTELLOY(r) G30(r) alloy is corrosion resistant and has the ability to oxidize acids.

Elementary composition :

Physical Properties:

Physical Properties:

Hastelloy G-30 Specification:

ASME SB474 /ASTM B474 :Standard Specification for Electric Fusion Welded Nickel and Nickel Alloy Pipe.

ASTM B619 /ASME SB619:Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Pipe.

ASTM B622 /ASME SB622:Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube.

ASTM B626 /ASME SB626:Standard Specification for Welded Nickel and Nickel-Cobalt Alloy Tube.

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.Machining for HASTELLOY G-30 :

Nickel & cobalt base corrosion, temperature and wear-resistant alloys are classified as moderate to difficult when machining, however, it should be emphasized that these alloys can be machined using conventional production methods at satisfactory rates. During machining these alloys work harden rapidly, generate high heat during cutting, weld to the cutting tool surface and offer high resistance to metal removal because of their high shear strengths. The following are key points which should be considered during machining operations:
CAPACITY - Machine should be rigid and overpowered as much as possible.
RIGIDITY - Work piece and tool should be held rigid. Minimize tool overhang.
TOOL SHARPNESS - Make sure tools are sharp at all times. Change to sharpened tools at regular intervals rather than out of necessity. A 0.015 inch wear land is considered a dull tool.
TOOLS - Use positive rake angle tools for most machining operations. Negative rake angle tools can be considered for intermittent cuts and heavy stock removal. Carbide-tipped tools are suggested for most applications. High speed tools can be used, with lower production rates, and are often recommended for intermittent cuts.
POSITIVE CUTS - Use heavy, constant, feeds to maintain positive cutting action. If feed slows and the tool dwells in the cut, work hardening occurs, tool life deteriorates and close tolerances are impossible.
LUBRICATION - lubricants are desirable, soluble oils are recommended especially when using carbide tooling. Detailed machining parameters are presented Tables 16 and17. General plasma cutting recommendations are presented in Table 18.

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