AMS 5659 SPECIFICATION PDF

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This is a bar specification, typically available in round and hexagon. Bar. •. MECHANICAL PROPERTIES. AMS Property. Value. Proof Stress. AMS (15/5 PH VAR/ESR). Technical Manufacturing limits are as stated in the Table AMS For further Laboratory. Related Specifications. Specifications: AMS Bars, AMS Sheets and Plates, UNS S Applications: PH Stainless Steel is the ferrite-free version of PH.

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The three types are: This Data is indicative only and as such is not to be relied upon in place of the full specification. Since the rate of cooling from the solution temperature is not critical, large cross sections can be air-cooled. All information is based on our present knowledge and is given in good faith. Helium is the preferred shielding gas. Inclusion control is done by consumable electrode remelting using the electro-slag remelting ESR specificatioh.

Austenitic Alloys Austenitic precipitation hardening steels retain their austenitic structure after annealing and hardening by ageing. Austenitic alloys remain nonmagnetic. It remains in solution during rapid cooling. In particular, mechanical property requirements vary widely with temper, product and product dimensions.

We recommend using the latest version if you don’t already have it. Corrosion resistance is similar to that found in grade stainless steel. Good transverse toughness properties are achieved by tight chemical composition control to prevent the formation of delta phaselow carbon content to minimize grain boundary precipitationand double vacuum melting to reduce alloy segregation. During the hardening process a slight decrease in size takes place.

Cold working before ageing ajs be used to facilitate even higher strengths. A wide range of properties can be produced by this one step heat treatment. No guarantee is given that the information is from the latest issue of those sources or about the accuracy of those sources.

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Also known as ” solution treating. The PH alloy is generally better-suited for plate applications than are the semi austenitic alloys. Both alloys exhibit high strength and moderate corrosion resistance.

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Tensile strengths range from to MPa. If forming is required, do so in the overaged condition for best results. Upon cooling to room temperature, they undergo a transformation that changes the austenite to martensite. Resistance methods or shielded fusion is recommended. Semi-austenitic Alloys Unlike martensitic precipitation hardening steels, annealed semi-austenitic precipitation hardening steels are soft enough to be cold worked.

Like martensitic grades, they are known for their ability to gain high strength through heat treatment and they also have the corrosion resistance of austenitic stainless steel. The alloy can be cold formed in the annealed condition, utilizing conventional cold forming techniques. This alloy may be machined in any of the attainable conditions, however machining in HM will yield best tool life.

PH Grades PH, PH, MO, AMS ,AMS , AMS

AMS Carbon C 0. This increases the hardness and strength of the material.

Air cool or oil quench to below 60F 15C to ensure complete transformation to martensite. Mechanical Property Value Spec: The most well known precipitation hardening steel is PH. Typical mechanical properties achieved for PH after solution treating and age hardening are given in the table on the attached page. Distributors will offer small quantity buys while mills will generally only sell large quantities, with delivery times anywhere from 10 to 50 weeks depending on size and form required This material is stocked primarily in Bar Products by 41 distributors but is also available to a lesser extent in Flat Rolled Products, Forging Products, Wire Products, Tubular Products, and Casting Products.

15-5PH AMS 5659 CF COND A 2-1/8 RD Stainless Steel Bar/rod – 21962-6

No liability will be accepted by the Company in respect of any action taken by any third party in reliance thereon. This alloy specifidation well in all common hot working procedures. This is known as ageing or age-hardening. After forging, parts should be cooled to room temperature, then solution treated prior to aging. This alloy is capable of being only mildly formed.

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Typical uses are aircraft parts, rocket engine mounts, nuclear reactor parts, landing gear components, high performance shafts, and petrochemical parts that require high strength combined with good resistance to stress corrosion. The composition and processing of PH alloy is carefully controlled to minimize its content of delta ferrite, which is present in zms PH stainless steel material. After machining or another fabrication method, a single, low temperature heat treatment can be applied to increase the strength of the steel.

It may be used in the specigication treated condition or heat treated to obtain a wide variety of properties.

15-5 Stainless Steel Material Property Data Sheet – Product availability and request a quote

Heat to F C for 4 hours, air cool. For optimum properties, forging temperature should not exceed 1,F 1,C. The high tensile strengths of precipitation hardening stainless steels come after a heat treatment process that leads to precipitation hardening of a martensitic or austenitic matrix.

Material should be annealed after hot working for best heat treat response. Due to the high strength of precipitation hardening stainless steels, most applications are in aerospace and other high-technology industries. Hardness remains lower than that for martensitic or semi-austenitic precipitation hardening steels. This improved toughness is achieved by reduced delta ferrite content and control of inclusion size and shape.

Aging is normally carried out from to 1,F to Cdepending upon the desired final properties.