1、*DAM OPEL AG Werkstoff- Entwicklung TEZ Federstahldraht Techn. Lieferbedingungen 058M f U F Werkstoffe Werkstoff 4usfertigungs-Nr.: 3 Unlegierter Kohlenstoffstahl, beruhigt vergossen. Hersteherfahren Das Erschmelzungsverfahren, die Art der Vergieung und das Formgebungsver- fahren des Erzeugnisses bl
2、eiben dem Hersteller berlassen. In Sonderfallen knnen jeaoCh Vereinbarungen bei der Bestellung (siehe Materialfreigabe) getroffen werden. Verwenanri sfom ur Lieferaistand Verwedungsform Lief er zustand Bezeichnung Genehmigt: Seite 1 von 6 S. Datum: 09/88 Ausgefertigt: 25 I 2150 bis 2380 I 667 bis 74
3、0 1,75 2030 bis 2250 630 bis 700 2,OO I 1980 bis 2200 I 615 bis 685 2,25 1940 bis 2150 I 602 bis 667 2;75 I 1865 bis 2075 1 580 bis 645 2,50 1900 bis 2110 591 bis 660 3,50 I 1780 bis 1980 I 550 bis 615 3iOO 1840 bis 2040 572 bis 632 3,25 1810 bis 2010 1 560 bis 625 3,75 1755 bis 1955 540 bis 605 4,O
4、O 1740 bis 1930 537 bis 600 4,50 5,OO 1690 bis 1880 525 bis 585 1660 bis 1840 518 bis 572 Ausfertigungs-Nr.: 3 Datum: 09/88 Ausgefertigt: Seite 2 von 6 S. Qs 058M 00 *) Die Hartewerte nach Vickers werden entsprechend Ope1 100 aus den Werten fr die Zugfestigkeit umgewertet. Diese Werte sind jedoch nu
5、r als An- haltswerte zu betrachten, da es keine allgemein gltige genaue Eezie- hung zur Uniwertung von Zugfestigkeit in Vickers-Hartewerte gibt, becon- ders bei diesem patentiert-gezogenem Federdraht. Fur Zwischen- gelten die Werte des nchst greren d. in mn 3,8 bis 4 5,OO 1,0 bis 4 3,80 7.2.2 7.2.3
6、7.3 Z in % 40 35 Brucheinschnrung Draht I Brucheinschnrung Draht 0 Mindestverw indezahlen Der Elastizittcmodul wird mit 206 kN/mn2, der Schulmodul mit 81,5 kN/mi angenamien. Ausfertigungs-Nc: Datum: 09/88 Ausgefertigt: Zugversuch an Drahten ohne Feindehnmessung opel 100 Hartevergleichstafeln fr Stah
7、l und Stahl- 9U. Die Werte fr die Vickershrte wurden nach diesen Tafeln aus den Werten fr die Zug- festigkeit umgewertet. Ope1 101 Harteprfung nach Vickers Der Verwindeversuch wird in Anlehnung an DIN 51 212, 08.65 Prfung metallischer Werkstoffe dur chge f hr t. Verwindeversuch an Drahten Der Wickel
8、versuch wird in Anlehnung an DIN 51 215, 09.75 Prfung metallischer Werkstoffe durchgefhrt. Wickelversuch an Drahten Allgemeine Angahen Die Randentkohlung wird mikrcskopisch am getzten Querschlif f bei 100facher Vergrerung geprft. Auskehlung und Abkohlung sind dabei ge- trennt zu erfassen. ADAM OPEL
9、AG Opel Form 66 166-1 A WO ti a7 / , 7. I 13.09.88 Ausfertigungs-Nc: 3 Datum: 09/88 Datum Ausgefertigt: Seite 6 von 6 S. Bez. - Inhalt vollstndig berarbeitet, neu geschrie- ben. Angleichung an Anforderungen fr Draht- sorte D nach DIN 17 223, Teil 7, (12.84) ( Beschreibung nderungen geprf - Kstr. gen
10、ehmigt Opel Form 06 166-1 E WO 11 a7 4 ADAM OPEL AG TEZ Issue: Date of German Date of Translation 1 Version: 9/88 issue: 3/90 ENGINEERING Page 1 of 6 1 QS058MDO I MATERIAL SPECIFICATION I Wire Material- Development and Testing Translation of Technische Ueferbedingungen fr Werkstoffe QS 058M DO, Fede
11、rstahldraht 1 Material Unalloyed carbon steel. The steel shall be killed. 2 Manufacturing Process The choice of melting process, method of casting and forming process are the prerogative of the manufacturer. In special cases, however, such details may be agreed upon on the order (see material releas
12、e). 3 Form of Supply and Condition of Delivery Form of supply Condition of delivery Designation Wire Patented and hard drawn QS 058M DK 4 Definition Patenting Is a type of heat treatment, consisting of austenitizing and rapid cooling to a temperature above the martensite point, In order to obtain a
13、favourable structure for subsequent cold drawing. 5 Application This steel is primarily used for coil springs (tension, compression and torsion springs), spring washers, and other wire springs with high static and medium dynamic stresses, having a nominal diameter of I 5 mm. This spring steel wire h
14、owever is not suitable for applicatlons where higher dynamic and thermal stresses are required e. g. valve springs. 6 Note Samples of components or material released to this specification shall be tested for conformity with the requirements of this specification and approved by Product Engineering D
15、epartment prior to commencement of delivery of bulk supplies. In the event of any intentional deviations from the requirements of this specification, it is the sole responsibility of the supplier to inform the purchaser of all such deviations. Furthermore, the supplier shall submit unsolicited sampl
16、es for reapproval by Product Engineering Department prior to commencement of delivery of deviant bulk supplies. QS 058M DO Tensile strength Rm in N/rnm2 2720 to 301 O 2480 to 2740 2330 to 2580 2230 to 2470 2150 to 2380 2090 to 2310 7 Material Requirements 7.1 Chemical Composition (Product Analysls)
17、in % by Mass 7.1.1 Carbon 0, to 0,95 Silicon Manganese 0,25 to 135 Phosphorus 0,025 max Sulphur 0,025 max Phosphorus t Sulphur 0,040 max Copper 0,14 max 0,15 to 0,25 (for larger 3,8 to I 5,OO 7.2.2 Reductlon of area at fracture 40 35 Wire dia In mm Wire dia In mm 0,70 to 5 1,40 1,40 to I 3,20 3,20 t
18、o I 4,25 4,25 to I 5,OO Reductlon of area at fracture 1 i In % Minlmum torsion number 25 22 16 12 Issue: 1 7.2.3 The modulus of elasticity shall be assumed to be 206 kN/mm, and the modulus in shear to be 813 kN/mm2. Page 3 of 6 Date of German Date of Translation Version: 9/88 Issue: 3/90 The wire sh
19、all twist uniformly, the fracture shall be perpendicular to the axis of the wire. There shall be no surface cracks discernable to the eye. Incipient resilience cracks and resilience cracks shall not be included in the evaluation. 7.4 Wrapping Test The wrapping test shall be conducted to evaluate the
20、 uniformity of formability and surface quality for small wire diameters up to 0,7 mm. A test piece approximately 500 mm long shall be tightly wrapped around a mandrel having a diameter of approxlmately 3 x d (d = wire dia), but, ar least 1 mm. The test piece shall then be extended until the length o
21、f the released spring Is two to four times the wrapped length. Subsequently, the spring shall have perfect surface quality and uniform pitch of the coil. 7.5 Weldability This steel 1s not suitable for fusion or resistance welding. 7.6 Surface Quality other defects which could impair the serviceabili
22、ty, function or appearance of the parts. The permissible depth of the surface defects shall not exceed 1 % of the wire diameter. (only for wire dia 1 0,8 mm) 7.6.2 Special requirements for surface quality shall be quoted on the drawing or release note. “7.6.1 The surface of the wires shall be smooth
23、, metallically clean, free from burrs, scars, cracks and QS 058M DO ;sue: 1 7.7 Surface Decarburizatlon There shall be no complete decarburization. The measured partial decarburization depth shall not exceed 13 % of the wire diameter. (only for wire dia 2 0,8 mm) Date of German Date of Translation T
24、ranslation Approval: Version: 9/88 issue: Page 4of 6 3/90 8 Additional Requirements 8.1 Springs made from this wire shall be tempered at approximately + 220C for a short time to remove coiling stresses and to obtain a higher ultimate strength. 8.2 The springs must have set enough to retain their ori
25、ginal height after compression to block height for 30 times, If no other height is specified on the drawing. 8.3 Electrolytlcally zlnc coated springs shall be tempered as specified in GME O0 252 to prevent hydrogen embrittlement. 8.4 Deviations from the requirements specified in these technical term
26、s of delivery or additional requirements shall have been agreed upon. These shall be indicated on the respective engineering drawing and/or material release. 9 Test Procedure 9.1 All tests shall be made at + 23C f 5 K 9.2 The following standards are appllcable when testin DIN 51 210, part 1, 4.1976
27、DIN 50 145,5.1975 Opel 100: Opel 101: the mechanical ropertie Testing of metallic materials, tensile test on wires without extensometer measurement. Testing of metallic materials, tensile test. Conversion charts for hardness values of steel and cast steel. The values for the Vickers hardness were de
28、rived from the values for tensile strength to these charts Vickers hardness test. QS 058M DO issue: 1 9.3 The torslon test shall be conducted according to: DIN 51 212,8.1965 9.4 The wrapplng test shall be carrled out according to: DIN 51 215,9.1975 Testing of metallic materials, torsion test of wlre
29、s. Testing of metallic materials, wrapping test for wire, general Information. 9.5 The surface decarburization Is microscopically evaluated on an etched cross section at 100 x magnification. Total decarburization and partial decarburlzation are to be separately determined. Date of German Date of Tra
30、nslation Translation Approval: Version: 9/88 Issue: Page 5 of 6 3/90 QS 058M DO ssue: 1 13.09.88 Date of German version: 9/88 issue: Date of Translation 3/90 Page 6 of 6 Date Sym. - Content completely reworked; adaption to requirements for wire quality D to DIN 17 223, part 1, (12.84) was Issue 2. Date of Issue 07/41 Description Revisions Checked
