This specification is intended for the heat treatment of. Mil h 6875h heat treatment of steel, process for ss by sae ams h6875 free download as pdf file. Milh6875 complete document history heat treatment of steel, process for superseded by saeamsh6875. This document is available in either paper or pdf format.
This specification covers the requirements for heattreatment of four classes of steel see 1. Tw metals corporate headquarters the arboretum, suite 204 760 constitution drive exton, pa 19341 16104580. Mil mil h 6875h notice 1 cancellation heat treatment of steel, process for superseding mil h 6875g ss by sae ams h 6875a amendment by military specifications and standards, 02021999. H 925, h 1025, condition a material heated at specified temperature for 4 hours. Milh6875h heat treatment of steel, process for ss by.
Mil h 6875h heat treatment of steel was superseded 2 feb 1999 by ams h6875 heat treatment of steel raw materials, plus heat treatments for 4 classes of finished steel parts. Website list of services3 metallurgical laboratory. H 900 condition a material heated at 900f 15f for 1 hour and air cooled. Revision e of amsqqp416 corrects the errors in table 1a and removes the 24 hours minimum from the drying time requirement of 3. This specification, in conjunction with the general requirements for steel heat treatment covered in ams2759, establishes the requirements for heat treatment of lowalloy steel parts to minimum ultimate tensile strengths of 220 ksi 1517 mpa and higher. Also note that ams h6875 no longer applies to finished parts. Mil mil h 6875h amendment 2 heat treatment of steel, process for superseding mil h 6875g ss by sae ams h 6875a amendment by military specifications and standards, 10271998.
Documents in the book are for reference only, not intended for design. Alloy e 4340 is a widely used deephardening constructional steel. Sae amsh6875 heat treatment of steel raw materials active, most current buy now. Milh6875h heat treatment of steel, process for ss by sae. A wide selection of furnaces are maintained to ams 2750 requirements for processing work to ams h6875, ams 2759, ams 2770, mil s6090 and mil s12515. H page 3 4 aircraft quality alloy bars uns g40 ams s6758 ams 6370 ams 2301 color marking normalized barsends painted pink heat treated barsends painted white this chromiummolybdenum alloy is one of the most widely used aircraft steels because of its combination of weldability, ease of fabrication, and mild hardenability. Mil h 6875h amendment 2 27 october 1998 superseding amendment 1 16 july 1993 military specification heat treatment of steel, process for this amendment forms a part of mil h 6875h, dated 1 march 1989, and is approved for use by all departments and agencies of the department of defense. Amsh 6875 specification, in conjunction with the general requirements for steel heat ams h6875 covered in amsestablishes the requirements for heat treatment ams h6875. Sae ams h 6875 november 1, 2010 heat treatment of steel raw materials this specification covers the requirements for heattreatment of four classes of steel see 1. H 1075, h 1150 condition a material heated at 1075 or 1150f 15f for 4 hours and air cooled. In some cases, unless using inert or protective atmosphere or vacuum, the spec.
Precipitation hardening age hardening is a heat treatment of nickel, titanium, and some stainless steels. The document was originally numbered mil h6875, but migrated to sae during mil spec reform. Heat treat specs testing and other specs supplier quality requirements qfm012 view the qfm012 supplier quality requirements. Raw versus part heat treatments what is the difference. This specification is intended for use in all phases of the control of processes and equipment applied to the heat treatment of aluminum alloy cast, forged, rolled, drawn, and. Milh6875 heat treatment of steel, process for superseded. Some were transcribed word for word with essentially no change except in formatting e. Complete document heat treatment of steel raw materials. For years, military specification milh6875, often referred to as the bible of heat treating, never. The high fatigue strength makes e4340 ideal for highly stress parts as it maintains its strength and hardness at elevated temperatures. Alloy 155 is a variant of the older 174 and 155 was designed to have greater toughness than s17400, especially in the throughthickness short transverse direction. Ams 27595 ams h6875 stainless steels martensitic stainless steels, precipitation hardening customer specs stainless steels, precipitation hardening industry specs ams 27593 ams 5629 industry spec other steels customer specs steels industry specs ams 27591 ams 27592 industry spec other.
We are looking at a job with a heat treat spec that calls out ams and i was wondering if the mil. Unlike ordinary tempering, alloys must be kept at an elevated temperature for hours to allow precipitation to take place. The specification states that if heat treating a finished part to follow instead ams 2759 and its appropriate slash spec ams 27591, 2, etc. Most backordered items can be rushed in from the publisher in as little as 24 hours. To find similar documents by federal supply class code. Industry specifications i this file is saved as a pdf file. Purchase order shall specify not less than the following. Specifications 155 esr to the following specifications.
This specification covers the requirements and recommendations for the heat treatment of aluminum alloy rolled, extruded, forged, drawn, and cast product. Carbon and alloy steel bars and rods heat treating. Heat treatment of steel raw materials sae international. Sae amsh6875 complete document revision a, december 98. This ams h6875 specifies the engineering requirements for heat treatment, by part fabricators users or their vendors or ams j 6875, of parts made of wrought nickel or cobalt alloys, of raw materials during fabrication, and of fabricated assemblies in which wrought nickel or cobalt alloys are ams h6875 primary structural component. Alloy 155 is used in applications that require high. Not measurement sensitive milh 6875h 1 march 1989 superseding mil h 6875g 16 september 1983 military specification heat treatment of steel, process for this speclflcatlon is approved for use by all departments and agencies of the department of defense. Sae amsh6088 complete document 1997 edition, july 97. Ams 5659 type 1 astma484 155 vm cond h 1025 to the following specifications ams 5659 t1 cond h 1025 ams h6875 astma484 astma564 type xm12 cond h 1025. This specification, in conjunction with the general requirements for steel heat treatment covered in ams 2759, establishes the requirements for heat treatment of precipitationhardening corrosionresistant and maraging steel parts. Lemmon 061016 specification description approved revisions mil h 6875 superseded by sae ams h 6875, sae ams 27591 and sae ams 27593. The document was originally numbered milh6875, but migrated to sae during mil spec reform. Sae ams h 6875 11222010 b active bac5602 8282001 af active bac5619 851992 h active bac6517 3242006 u active csmp 003 3141986 j active csmp 004 61620 m active csmp 047 172005 d active dps5. Fsc 95gp metal bars, sheets, and shapes general this document comes with our free notification service, good for the life of the document.
Amsh6875 heat treatment of steel raw materials document. Aug 31, 2011 some were transcribed word for word with essentially no change except in formatting e. A wide selection of furnaces are maintained to ams 2750 requirements for processing work to ams h 6875, ams 2759, ams 2770, mil s6090 and mil s12515. Mil spec specification cross reference 596 to order, call us tollfree. Ams 27593 heat treating applied thermal technologies. The base spec ams5659 was originally intended to present an allpurpose wrought product that was solution heat treated and left in a state that could then be precipitation heat treated to any one of several stablefinal temper conditions h1150, h1100, h1075, h1025, h925 or h900 per mil h6875, ams h6875 or now ams27593 see mmpds. Creating a unique and profitable heat treating facility within. The following information shall be provided to the plating processor by the purchaser. Revision e of ams qqp416 corrects the errors in table 1a and removes the 24 hours minimum from the drying time requirement of 3. In 1998, when the aerospace metals division ams of society of automotive. Specification ams 5604 sheet, strip and plate welding wire welding electrodes product form ams 5643 ams 5825 ams 5827 ams 7474 astm a. Due to e4340s high alloy content it obtains a uniformed hardness by heat treatment.
Alloy e4340 4340 is available in bar, square, round. Sae amsh 6088 complete document revision a, december 98. Mil milh 6875h amendment 2 heat treatment of steel, process for superseding mil h 6875g ss by sae ams h 6875a amendment by military specifications and standards, 10271998. Ams 5659 type 2 astma484 unss15500 155 ph vac melt to the following specifications. Apr 2006 this specification covers the requirements for heattreatment of four classes of steel and the requirements for furnace equipment, test procedures and information for heattreating procedures, heattreating temperatures and material test procedures. Ams 2675, nickel alloy brazing, ams 2750, pyrometry, ams 2759, heat treatment of steel partsgeneral requirements, ams 27593, heat treatmentp. Mil prf 309847 revision kcrystal unit, quartz, cr69u revision k.
Sae amsh 6875a1998 sae amsh 6875a1998 heat treatment of steel raw materials reaffirmed. Apr 21, 2015 also note that ams h 6875 no longer applies to finished parts. Carburizing and hardening is performed in furnaces with a computerized system for both temperature and atmosphere control enabling us to carburize and harden your most critical work, tested to. Hardness ams 7727 3kovar military specs commonly requested for military hardware mil i23011 cl 1 3kovar mil n nickel mil n6710 600 nickel alloy exc. Ams h6875 guests range from super celebs jamie foxx, arnold ams h6875, etc. Stainless steel al 174 precipitation hardening alloy uns designation s17400. Ams 2380 approval and control of premiumquality titanium alloys ams 2750 pyrometry ams h 2759 heat treatment austenitic corrosionresistant steel parts ams 5085 steel sheet, strip, and plate 0. Also where relevant, newer superseded specifications are listed and considered. Passivation fluorescent penetrant inspection magnetic particle inspection ams qqp35 ams 2700 astm e 1417, mil std 6866. Not measurement sensitive mil h 6875h 1 march 1989 superseding mil h 6875g 16 september 1983 military specification heat treatment of steel, process for this speclflcatlon is approved for use by all departments and agencies of the department of defense. Alloy 155 is a precipitation hardening alloy exhibiting high strength and hardness with moderate corrosion resistance. Use this rapid response form to receive more information on spec mil h6875, heat treat of alloy steels. Use this rapid response form to receive more information on spec mil h 6875, heat treat of alloy steels. Heat treatment of lowalloy steel parts minimum tensile.
Mil h 6875h heat treatment of steel was superseded 2 feb 1999 by ams h 6875 heat treatment of steel raw materials, plus heat treatments for 4 classes of finished steel parts. Material and process specifications document number 14606700 revision 0 date 061016 page 2 of 7 document approved by. It does not cover the requirements for the heat treatment of aluminum alloy parts. Mil h 6875 superseded by sae amsh 6875, sae ams 27591 and sae ams 27593 heat treatment of steel, process for h or later mil i6868 superseded by astm e1444 inspection process, magnetic particle e or later mil i8950 superseded by sae amsstd2154 ultrasonic inspection b or later mil s165 superseded by sae. Mil h6875 complete document history heat treatment of steel, process for superseded by sae ams h6875. Milh6875h heat treatment of steel, process for ss by saeamsh6875 free download as pdf file.