Solar & Steel Structure atana hman tur Grade 8.8 Hot Dip Galvanized Hex Bolts hmanga siam a ni
"8.8" Marking aiin Material Selection hi a pawimawh zawk chhan
Sourcing a nih chuanGrade 8.8 hot dip galvanized hex bolt hmanga siam a nisolar farm emaw steel structure emaw atan chuan lei duh tam tak chuan grade marking chauh an ngaihtuah thin.
Mahse real-world project-ah chuan hlawhchhamna tlangpui pahnih a la thleng tho a:
A hun hmaa rusting
Load hnuaiah bolt a chhe nghal
A bulpui ber chu a awlsam hle:
bolt hnung lama steel material chu ngaihthah a ni fo thin.
Handan Dongchao Hardware-ah chuan kan approach dan a danglam hle.
"Grade 8.8 bolt" - chauh kan hralh lo a, a hnuaia thil awmte chu kan engineer a ni.
Engin Nge Grade 8.8 HDG Bolt Rinawm Tak Siam?
High-performance bolt dik tak chu a inmil tur a nicore condition pathum a awm:
Chemical composition nghet tak a awm
Controlled heat treatment response a ni
Galvanizing hnua hydrogen embrittlement laka invenna
Hei vang hian kan hmang chauh a nitraceable virgin thir wire rod a ni, recycled scrap ni lovin.
Grade 8.8 Bolt siamna atana kan Core Materials te
1. SWRCH35K & 10B21 – Solar Project atana Balance tha ber
Solar mounting system tam zawk leh standard structural application atan chuan hetiang hian kan rawt a ni:
SWRCH35K (JIS G 3507 A rilru a buai em em a, a rilru a hah em em bawk a.
10B21 (Boron Steel) hmanga siam a ni.
Heng thilte hian an hnathawh that zawk chhan:
Cold heading property tha tak tak a nei bawk
Hardenability awm reng
A chhunga grain structure inang tlang tak
Engineering lama hlawkna: 1.1.
Heng thilte hian nasa takin a tihziaawmna a nihydrogen a tichhe thei, a bik takin hot dip galvanizing hnuah.
Use case tha ber berte:
Ni zung hmanga dah theihna system te
High-volume sakna project te
Cost-sensitive taka thil lei theihna
2. 35# & 45# Steel – Bolt lian zawk tan chakna sang zawk
Diameter lian zawk emaw, load mamawhna sang zawk emaw atan chuan:
35# Thir a ni
45# Carbon Steel atanga siam a ni
Controlled process chu: 1.1.
Precision quenching leh tempering te pawh a awm
Furnace temperature control khauh tak a ni
Nghawngchhuah:
Achieves full a ni800 MPa a ni
Brittle ni lovin ductility a vawng reng
Use case tha ber berte:
Steel rit tak tak hmanga siam a ni
Infrastructure project hrang hrang a awm bawk
Fastener lian tak tak-diameter
3. 40Cr Alloy Steel – Critical & High-Stress awmna hmun atan
Project-in standard performance aia tam an mamawh chuan kan pe thin40Cr alloy steel hmanga siam that a ni.
A thatna pawimawh tak tak:
Core hardness sang zawk
Fatigue resistance tha zawk a ni
Vibration hnuaiah performance tha zawk
A rawtna chu:
Thli hmanga chakna siam dan
Transmission tower te a awm bawk
Temperature hniam-a boruak lum leh vawt
Kan Bolt Materials te Technical Data a ni
| Material Grade a ni | Nihphung pangngai | Carbon awm zat | Thil pawimawh tak | Dilna tur rawtna |
|---|---|---|---|---|
| SWRCH35K tih a ni | JIS G 3507 ah a awm | ~0.35% | Cold heading tha tak a ni | Ni zung hmanga dah theihna bolt |
| 10B21 | ASTM / SAE hmanga tih a ni | ~0.20% + Boron a ni | Hardenability sang tak a ni | Bulk order man tlawm zawk-effective |
| 45# Thir a ni | GB/T 699 a ni | ~0.45% | Heat treatment hnua chakna sang tak | Bolt lian tak tak a awm |
| 40Cr a ni | GB/T 3077 a ni | ~0.40% + Cr | Toughness & fatigue resistance sang tak a nei bawk | Thil pawimawh tak tak (critical structures) te |
Hot Dip Galvanizing (HDG): Coating chauh ni lovin, venhimna a ni
Bolt zawng zawng hi treat vek a nihot dip galvanizing (HDG) hmanga siam a ni.hun rei tak-a corrosion laka inven theihna turin.
Process chungchang chipchiar zawk:
Immersion in molten zinc (>450℃a ni a ) .
Coating thuk zawng: 1.1.60–85μm
A rilru a hah lutuk chuan a rilru a buai em em a. ASTM A153 / ISO 1461
Detail pawimawh tak tak supplier tam zawkin an ngaihthah:
Galvanizing hnuah thread tolerance a danglam thin.
Galvanizing hnuah thread kan re-cut emaw kan tap emaw thin
Nut fit tha tak a tichiang
On-site install chungchanga harsatna awmte a ti bo
Engvangin nge "Grade 8.8" Bolt man tlawm tak tak te hi an hlawhchham
Thil tam takah chuan, man tlawm-supplier-te chuan:
Recycled scrap steel hmang rawh
Heat treatment hmangin material chu 8.8 thleng turin force rawh
A hnua thil thleng tur chu:
Surface hardness a liam mai thei
Internal grain structure chu a chak lo hle
Bolt te hi load tak tak condition hnuaiah an fail thin
Hei hian hetiang hian a thlen fo thin:
Structural risk a awm thei
Project tihkhawtlai a awm
Maintenance senso a sang chho zel
Kan Thil siam chhuah dan (Manufacturing Principle) a ni
Dan awlsam tak pakhat kan zawm a ni:
Material pakhatna, grade hnihna
Virgin steel wire rod chauh a ni
Metallurgical structure control theih a ni
Mechanical performance a dik tih finfiah a ni
Hei hian a tichiang a ni:
Tensile chakna nghet tak
Elongation tha zawk
Pawn lam boruakah hun rei tak-rintlakna
I Project mamawh dan azirin Quote la rawh
Project hrang hrangah hian solution hrang hrang a ngai a ni.
I mamawh min hrilh la, material chu kan match ang:
"A man tlawm ber-8.8 HDG bolt mamawh" →10B21 solution a ni
"Heavy structure atan chakna sang zawk mamawh" →45# steel a ni
"Thli emaw vibration emaw atan toughness sang tak mamawh" →40Cr upgrade a ni
Handan Dongchao Hardware chungchang
Professional fastener siamtu kan ni a, kan ngaih pawimawh ber chu:
Solar hmanga dah theihna fastener te
Structural bolt hmanga siam a ni
Custom material solutions te pawh a awm bawk
Bolt chauh kan supply lo.
Hlawhchham loh nan kan pui che a ni.
