Product Details

China manufacture nickel alloy pipe incoloy 800 ASTM B407

Introduction

Super alloy VLX800H is a slightly modified version of Incoloy 800 with the 800H grade possessing higher creep and rupture strength. This modification is possible because of the closely controlled carbon content and modified heat treatment.

The following sections will discuss in detail about super alloy VLX800H.

Chemical Composition

The chemical composition of super alloy VLX800H is outlined in the following table.

Element	Content (%)
Nickel, Ni	30 - 35
Chromium, Cr	19 - 23
Manganese, Mn	1.5 max
Silicon, Si	1 max
Copper, Cu	0.75 max
Aluminum, Al	0.15 - 0.6
Titanium, Ti	0.15 - 0.6
Carbon, C	0.05 - 0.1
Sulfur, S	0.015 max
Iron, Fe	Remainder

Physical Properties

The physical properties of super alloy VLX800H are tabulated below.

Properties	Metric	Imperial
Density	7.9 g/cm³	0.287 lb/in³
Melting point	1371°C	2500°F

Other Designations

Equivalent materials to super alloy VLX800H are provided below:

ASTM B163
ASTM B407
ASTM B408
ASTM B409
ASTM B514
ASTM B564
DIN 1.4876
DIN 1.4958

Fabrication and Heat Treatment

Machinability

Super alloy VLX800H can be machined using the common processes applied to iron based alloys. This alloy does work-harden during machining and displays higher strength and "gumminess" unlike steels. It is recommended that heavy duty machining equipment and tooling should be used to reduce chatter or work-hardening of the alloy.

Any commercial coolants can be used during the machining operations; however water-based coolants are recommended for high-speed operations such as milling, turning, or grinding. Similarly, heavy lubricants are ideal for tapping, broaching, drilling, or boring.

Forming

Super alloy VLX800H can be formed using any of the conventional methods as it is very ductile. Powerful equipment is required to perform forming operations as this alloy is strong. It is recommended that heavy-duty lubricants be used while performing cold forming. It is important to clean all traces of lubricant after forming.

Welding

Welding of super alloy VLX800H can be performed using all the traditional welding methods. Matching alloy filler metal should be used. In case that is not available, it is advised that the nearest alloy closest to the chemical composition be used. The weld beads should be slightly convex, and preheating is not required. Surfaces to be welded have to be clean and free from oil, paint or crayon marking.

Forging

Forging should be performed in the temperature range of 1204-982°C (2200-1800°F).

Hot Working

Hot working can be performed in the temperature range of 1204-871°C (2200-1600°F).

Cold Working

Super alloy VLX800H can be cold formed using all the standard tools except for plain carbon tool steels as they produce galling.

Annealing

Super alloy VLX800H can be annealed at 1176°C (2150°F) and then air cooled.

Applications

Super alloy VLX800H is used in the following application areas:

Piping for petrochemical plants
Heaters and heat exchangers that are used in prolonged high temperature environments.

Packaging & Shipping

PackagingDetails:	Products are well packed and clear labeled according to the regulations and customer's requests.
Delivery Detail:	7-15days after receiving deposit

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