Hastelloy Steel

Hastelloy Steel

Halogen alloy (Hastelloyalloy)
Hardler alloy grade
B series:B→B-2(00Ni70Mo28)→B-3
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Product Details

      Hastelloy Steel is a nickel-based corrosion-resistant alloy, mainly divided into nickel-chromium alloy and nickel-chromium-molybdenum alloy. Haas alloy has good corrosion resistance and thermal stability, mostly used in aviation, chemical field and so on.

Classify

Halogen alloy (Hastelloyalloy)

       It is mainly used in iron-base Cr-Ni or Cr-Ni-Mo stainless steel, non-metallic materials and other non-corrosive media.

Hardler alloy grade

       In order to improve the corrosion resistance, cold and hot working properties of the alloy, three major improvements have been made. The development process of the alloy is as follows:

B series:B→B-2(00Ni70Mo28)→B-3

SeriesC:C→C-276(00Cr16Mo16W4)→C-4(00Cr16Mo16)→C-22(00Cr22Mo13W3)→C-2000(00Cr20Mo16)

G series:G→G-3(00Cr22Ni48Mo7Cu)→G-30(00Cr30Ni48Mo7Cu)

      The most widely used materials are N10665 (B-2), N10276 (C-276), N06022 (C-22), N06455 (C-4) and N06985 (G-3).

      HastelloyB alloy has been widely used in chemical, petrochemical, energy manufacturing and pollution control fields, especially in sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid and other industries.

Mechanical properties:

1、the tensile strength of Hastelloy B alloy RmN/mm2 ≥ 690.

2、 yield strength of Hastelloy B alloy: RP0.2N/mm2 ≥ 310.

3、elongation of Hastelloy B alloy: A5% ≥ 40.

Characteristics:

1. Controlling the lowest content of Fe and Cr to prevent the formation of β-phase Ni4Mo.

2.excellent corrosion resistance to reducing environment.

3. excellent resistance to medium concentration of sulfuric acid and many non-oxidizing acids corrosive.

4. Good resistance to chloride reduction stress corrosion cracking (SCC).)

5.Excellent resistance to various organic acids corrosion ability.

Metallographic structure:

      The HastelloyB alloy has a face-centered cubic lattice structure. By controlling the minimum content of iron and chromium, the processing and brittleness were reduced, and the precipitation of Ni4Mo phase was prevented between 700 ℃ and 870 ℃.Precipitation of Ni4Mo phase at 700-870 ℃. 

Product material: Hastelloy C276 product status: forgings solid solution

Material C276

Rm

Rp0.2

A(L0=50mm)

remarks

ASTM B564

≥690 MPa

≥283 MPa

≥40%

ASTM E8M-04

Material C276

tensile strength

Yield strength (bias = 0.2%)

Elongation (L0=50mm)

remarks

Financial product result

795MPa

362MPa

64%

ASTM E8M-04

Sources of reporting

National Iron and Steel material testing Center (2008) Steel (L) word No. 2802

Corrosion resistance:

Scope and areas of application:

      HastelloyB alloy has been widely used in chemical, petrochemical, energy manufacturing and pollution control fields, especially in sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid and other industries.

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