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Corrosion Resistant Nickel Chrome Molybdenum Alloy Good Processing Characteristic

China Machinery Metal Jiangsu Co., Ltd.

Corrosion Resistant Nickel Chrome Molybdenum Alloy Good Processing Characteristic

Brand Name : CMMC

Model Number : As per specification and drawing

Certification : API, PED, ISO 9001 etc.

Place of Origin : CMMC in CHINA

MOQ : Negotiable

Price : Negotiable

Payment Terms : D/P, L/C, T/T

Supply Ability : 200 metric tons per month

Delivery Time : 60-90 days

Packaging Details : Water prevent, seaworthy transport, mill's export standard package

Material : UNS N06059, a nickel-chrome-molybdenum alloy

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Corrosion resistant alloy 59 (N06059) pipe, strip, bar, wire, forging etc for chemical process

1 PRODUCT

Corrosion resistant alloy 59 (UNS N06059) for chemistry, petrochemistry processing.

Alloy 59 is available in the following standard semi-finished forms:

Sheet and plate: Hot or cold rolled, heat treated, descaled or pickled

Strip: Cold rolled, heat treated, pickled or bright annealed

Rod: Forged, rolled, drawn, heat treated, oxidized, descaled or pickled, turned, peeled, ground or polished

Wire: Drawn bright, ¼ hard to hard, bright annealed in rings, containers, on spools and headstocks

Others: Other shapes and dimensions such as discs, rings, seamless or welded pipes and forgings can be requested

2 EQUIVALENT DESIGNATION

UNS N06059, W.Nr.2.4605, NiCr23Mo16Al (DIN), VDM® Alloy 59 (Nicrofer 5923 hMo)

3 APPLICATION

Alloy 59 is suitable for a wide spectrum of applications in chemistry, petrochemistry, energy and environmental engineering.

Typical applications are:

Plant components for organic chemistry processes with media containing chloride, especially where catalytic

systems on chloride basis are used.

Multi-purpose plants in the chemicals industry

Plant parts in active substance preparation and the pharmaceuticals industry

Scrubber, heat exchangers, flaps, ventilators and agitators for flue gas desulfurization (FGD) in fossil fuel power plants and waste combustion plants

SO2-washers for ship diesel engines

Components for seawater and concentrated brines

Equipment and components for geothermal energy and acid gas applications

Reactors for acetic acids and acetic anhydrides

Reactors for hydrofluoric acid

Sulfuric acid coolers

4 OVERVIEW

Alloy 59 is a nickel-chrome-molybdenum alloy, which has particularly low concentrations of carbon and silica and it is characterized by excellent corrosion resistance as well as high strength.

Alloy 59 is characterized by:

● Excellent resistance against a multitude of corrosive media under oxidizing and reducing conditions.

● Outstanding resistance against chloride-induced pitting and crevice corrosion, as well as resistance against stress corrosion cracking.

● Excellent resistance in mineral acids such as nitric, phosphoric, sulfuric and salt acids, but especially against sulfur/salt acid mixtures.

● Excellent resistance in contaminated mineral acids.

● Very good processing characteristics and weldability with low propensity to form hot cracks.

● Very resistant to sensitivation.

5 CHEMICAL COMPOSITION

Standard Fe Ni Cr Co Mo Mn Si P S C Al Cu

B564

B574

≤1.5 Balance 22.0-24.0 ≤0.3 15.0-16.5 ≤0.50 ≤0.10 ≤0.015 ≤0.010 ≤0.01 0.1-0.4 ≤0.50
VdTÜV 505 ≤1.5 Balance 22.0-24.0 ≤0.3 15.0-16.5 ≤0.50 ≤0.10 ≤0.015 ≤0.010 ≤0.01 0.1-0.4 ≤0.50

6 PHYSICAL PROPERTIES

Density at room temperature:537lb/ft3 (8.60 g/cm3)

Melting range: 2390-2480°F(1310-1360°C)

Relative magnetic permeability at 20°C (68°F): 1.001

7 MECHANICAL PROPERTIES

Table 3 Typical mechanical properties (Bar and forging in solution annealed condition)

Properties Tensile strength Yield strength Elongation Impact strength
Rm MPa Rp0.2 MPa Rp1.0 MPa A% Av J
ASTM B564 forging ≥690 ≥310 ≥45
ASTM B574 bar ≥690 ≥310 ≥45
Forging dia.>200mm 690-900 ≥340 ≥380 ≥40 ≥180(D≤300mm)
Bar dia.≤200mm 690-900 ≥340 ≥380 ≥40 ≥180(D≤300mm)

8 CORROSION RESISTANCE

Due to the extremely low carbon and silica concentrations, Alloy 59 has no propensity for grain boundary dispersions in hot forming or welding. The alloy can therefore be used in many chemical processes with oxidizing and reducing media. Furthermore, Alloy 59 is more resilient against chloride ion attack due to its high nickel, chrome and molybdenum concentrations.

The corrosion tests described in the relevant standards usually refer to oxidizing conditions under which the Alloy 59 has proven to be clearly superior over all other Ni-Cr-Mo alloys. But Alloy 59 is also highly resistant under reducing conditions. Accordingly, its corrosion rate in boiling 10%-sulfuric acid is less than one-third of the attack measured on other introduced Ni-Cr-Mo alloys. With this excellent behavior, the alloy has also become successfully established in the chemical process industry in applications with reducing media.

9 WORKING INSTRUCTION

Alloy 59 is ideally suited for processing by means of common industrial processing techniques.

Hot forming

Alloy 59 should be hot-worked in a temperature range between 1180 and 950 °C (2156-1742 °F) with subsequent rapid cooling down in water or air. For heating up, workpieces should be placed in a furnace which has been heated up to the maximum hot forming temperature. Heat treatment after hot forming is recommended for achieving optimal corrosion behavior.

Cold forming

The workpieces should be in the annealed condition for cold forming. Alloy 59 has a significantly better work hardening rate than the widely used austenitic stainless steels. This must be taken into account during the design and selection of forming tools and equipment and during the planning of forming processes. Intermediate annealing is necessary for major cold forming work. For cold forming of > 15%, a final solution annealing must be conducted.

Heat treatment

The solution annealing should take place at temperatures between 1100 and 1180°C (2012-2156°F), preferably at 1120°C (2049°F). The retention time during annealing depends on the semi-finished product thickness.

The retention time commences with material temperature equalization; longer times are generally considerably less critical than retention times that are too short.

10 STANDARD SPECIFICATION

Bar, wire, forging

DIN 17744

DIN 17752

VdTÜV: 505

ASME SB564 / ASTM B564

ASME SB574 / ASTM B574

NACE MR0175 (ISO 15156)

Sheet

DIN 17744

DIN 17750

VdTÜV: 505

ASME SB575 / ASTMB575

NACE MR0175 (ISO 15156)

Strip

DIN 17744

VdTÜV: 505

ASME SB575 / ASTMB575

NACE MR0175 (ISO 15156)

API 5LD

Welding product

AWS ENiCrMo-13

AWS ERNiCrMo-13

11 COMPETITIVE ADVANTAGE

(1) More than 50 years experience of research and develop in high temperature alloy, corrosion resistance alloy, precision alloy, refractory alloy, rare metal and precious metal material and products.
(2) 6 state key laboratories and calibration center.
(3) Patented technologies.
(4) Ultra-purity smelting process VIM + IG-ESR + VAR.

(5) High performance material.

12 BUSINESS TERM

Minimum Order Quantity Negotiable
Price Negotiable
Packaging Details Water prevent, seaworthy transport, mill’s export standard package
Mark As per order
Delivery Time 60-90 days
Payment Terms T/T, L/C at sight, D/P
Supply Ability 200 metric tons / Month


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