Awọn skru ti ara ẹni hexagonal, ti a ṣelọpọ nipasẹ Hebei Wotu Fastener Manufacturing Co., Ltd., ṣiṣẹ labẹ eto ile-iṣẹ igbalode ati ṣakoso ni muna ni ibamu si ISO9001: eto didara 2015. Ile-iṣẹ naa nlo "Wotu" gẹgẹbi aami-iṣowo ti a forukọsilẹ.
Oro naa "awọn ẹya ara ẹrọ" ni Ilu China jẹ kukuru fun "awọn ohun elo ti o ni idiwọn," asọye dín. Awọn ẹya boṣewa titẹ-giga ati alabọde tọka si iru ohun mimu ti o le koju titẹ kan ati pe a lo ni awọn agbegbe pataki jo. Awọn Erongba ti ga- ati alabọde-titẹ awọn ẹya ara boṣewa fun afọju rivets. Oro naa "awọn ẹya ara ẹrọ" ni Ilu China jẹ kukuru fun "awọn ohun elo ti o ni idiwọn," asọye dín. Awọn ẹya boṣewa titẹ-giga ati alabọde tọka si iru ohun mimu ti o le koju titẹ kan ati pe a lo ni awọn agbegbe pataki jo.
Awọn Erongba ti ga- ati alabọde-titẹ awọn ẹya ara boṣewa fun afọju rivets. Awọn iṣedede ati awọn giredi fun Lilo Ti o wọpọ ati Giga Titẹ Alabọde Lilu Lilu Awọn skru ti ara ẹni
1. ASTM A193 / A193M-2009 "Alloy Steel and Stainless Steel Bolts for High Temperate Equipment". Iwọnwọn yii ni ọpọlọpọ awọn onipò, awọn ti a lo nigbagbogbo pẹlu: Gr.B6, B7, B7M, B8, B8M, B8-2, B8M-2, B16, ati bẹbẹ lọ.
2. ASTM A194 / A194M-2009 "Apejuwe Itọkasi fun Awọn eso fun Iwọn otutu tabi Iwọn giga tabi Iwọn giga ati Iwọn giga". Iwọnwọn yii ni ọpọlọpọ awọn onipò, awọn ti a lo nigbagbogbo pẹlu: Gr.2H, 2HM, 4, 6, 7, 7M, 8, 8M, ati bẹbẹ lọ.
3. ASTM A320 / A320M-2008 "Alloy Steel Bolts fun Lilo Iwọn otutu kekere". Iwọnwọn yii ni ọpọlọpọ awọn onipò, awọn ti a lo nigbagbogbo pẹlu: Gr.L7, L7M, B8, B8M, B8-2, B8M-2, ati bẹbẹ lọ. (345-827 MPa)”. Wọpọ onipò ni Gr.660A ati 660B.
5. ASTM A182 / A182M-2007 "Forged or Roll Alloy Alloy Steel and Stainless Steel Flanges, Forged Pipe Fittings, Valves, and Components for High-Temperature Applications". Awọn onipò fastener ti o wọpọ pẹlu F51, F53, ati F55.
6. HG / T20634-2009 "Fasteners fun Irin Pipe Flanges" (Class Series). Iwọnwọn yii rọpo ẹya 1997, fifi akoonu pataki tuntun kun ti o da lori ASTM tabi awọn iṣedede ASME, ati yiyọ gbolohun naa lori awọn studs ti o pari-meji.
7. HG / T20613-2009 "Fasteners fun Irin Pipe Flanges" (PN Series). Iwọnwọn yii rọpo ẹya 1997 ati pe o ṣafikun ọpọlọpọ awọn ẹya tuntun ti o da lori ASTM tabi awọn iṣedede ASME.
8. ASME Series Standards. Awọn iṣedede ASME ni igbagbogbo tọka si awọn iṣedede ASTM, ṣiṣe awọn iyipada ti o yẹ tabi awọn afikun lati ṣe agbekalẹ lẹsẹsẹ awọn iṣedede ti o bẹrẹ pẹlu SA, gẹgẹbi: ASME SA193/SA193M; ASME SA194 / SA194M; ASME SA320/SA320, ati be be lo.
Hebei Wotu Fastener Manufacturing Co., Ltd., olupese ti awọn skru ti ara ẹni hexagonal, ṣe ifọwọsowọpọ tọkàntọkàn pẹlu awọn ọrẹ lati gbogbo awọn ọna igbesi aye ni ile ati ni okeere, ṣiṣẹ ni ọwọ lati ṣẹda ọrundun tuntun ti o wuyi.