Strain Triangle Yoke Plates hi overhead transmission line-ah hman a ni ber a, insulator string leh conductor tam tak inkara tension awmte khawlkhawm, sem darh leh thawn chhuahna atana hman a ni ber. A hnathawh tak takah chuan yoke plate hian conductor tension chhunzawm zel, thli-induced vibration, icing load, temperature stress, lightning strike, leh boruak atanga corrosion chi hrang hrang, salt spray, leh industrial pollution te a tuar thei a ni. A structural strength, mechanical stability leh corrosion resistance te hian transmission line pumpui safe operation level chu direct-in a hril a ni. Heng property te dinna bulpui leh thil tul hmasa ber chu thil siam chhuah hun chhunga scientific taka thil siam chhuah danah a awm a ni.
Material thlan hi steel chi khat thlan mai a ni lo va, thil tam tak ngaihtuah chian a, voltage rating, design tension, operating environment, processing technology, corrosion laka invenna mamawh, cost control, leh domestic leh international standard leh specification te pawh a huam tel a, chu chu systematic decision a ni. Chemical composition, mechanical property, weldability, cold working property, hot-dip galvanizing adaptability, corrosion resistance, leh fatigue property te hian Strain Triangle Yoke Plate-a finished product quality, service life, leh safety margin te chu direct-in a nghawng vek a ni.
Strain Triangle Yoke Plate atana material thlan hunah, core performance indicator zawm tur te chu a hnuaia thil atang hian ngaihtuah ber a ni:
Strength sang tawk: yield strength leh tensile strength te pawh tel, design load sang ber hnuaia plastic deformation emaw fracture emaw awm lohna tur
Plasticity tha leh toughness: temperature hniam, impact, leh vibration hnuaia brittle fracture venna;
Fatigue resistance tha tak: hun rei tak-thli vibration leh alternating load do thei, fatigue crack propagation failure pumpelh;
Processability tha tak: cutting, punching, bending, welding, straightening, hot-dip galvanizing, etc.-a inthlak danglam theihna te pawh a tel
Corrosion resistance: hot-dip galvanizing mamawh phuhruk, zinc layer inang tlang, adhesion chak tak, leh galvanizing tling lo, brittleness, pitting nei lo
Stable chemical composition: thil hlauhawm tak tak carbon, sulfur, leh phosphorus te chu standard range chhungah control a ni a, welding leh galvanizing quality a awm theih nan.
Transmission line fittings siamna kawnga hun rei tak-practice dan atanga chhut chuan Strain Triangle Yoke Plate-a thil siamte hi chi li-ah then a ni ber a, chungte chu carbon structural steel, low alloy high-strength structural steel, weather{2}}resistant structural steel, leh high-strength alloy structural steel te an ni.
Tunah hian ram chhung leh ram pawna medium leh low voltage transmission line-a strain triangle yoke plate siamna atana hman tlanglawn ber leh fundamental material chu carbon structural steel a ni. A thatna a nei a, chu chu man tlawm, machinability tha, stable welding, leh galvanizing-a insiamrem theihna chak tak a ni. Carbon awm zat hi a tlem a, a tlangpuiin 0.20% aia tlem emaw, a tlukpui emaw a ni a, plasticity, toughness, leh weldability a tichiang a ni. Thil bawlhhlawh tha lo, sulfur leh phosphorus te chu uluk taka control a ni a, chu chuan material thianghlimna a tichiang thei a ni. Alloying element hlu tak tak a nei lo va, cost-effectiveness sang tak tak a pe a ni. Tensile strength chu 370–500 MPa a ni a, yield strength chu 235 MPa leh 345 MPa a ni a, fracture hnua elongation chu 21% aia tam emaw a tlukpui emaw a ni a, impact energy hian room temperature impact atana mamawh a tlin a ni.
Low-alloy high-strength structural steel: Low-carbon steel atanga chhut chuan alloying element tlemte (Mn, Si, Nb, V, Ti, etc.) dah belh hian plasticity tha tak, toughness, leh processability tha tak a neih rualin chakna nasa takin a ti tha a ni. Carbon tlem chuan weldability leh toughness a tichiang a; trace alloying elements dah belh hian grain chu a tithianghlim a, a chakna leh low-temperature toughness a ti tha a; sulfur leh phosphorus control khauh zawk hian hahna leh fracture resistance a tichak a, hei vang hian high-strength, lightweight structural design atan a tha hle. Yield strength 355MPa–460MPa, tensile strength 470MPa–650MPa, leh low-temperature impact toughness tha tak, -20℃atanga -40℃inkar environment-a hman atan a tha hle.
Weathering structural steel: Cu, P, Cr, leh Ni ang chi element te dah belh hian boruakah dense leh stable protective rust layer a lo piang a, chu chuan corrosion rate nasa takin a tihhniam a ni. A bik takin boruak khirh tak tak, tuipui kama chi (coastal salt spray), industrial pollution, humidity sang, leh acid rain te tan a tha hle. Corrosion-resistant elements copper, chromium, nickel, leh phosphorus te awmnaah hian stable passivation film chu rang takin a lo piang thei a, chu chuan corrosion chu chhung lam pan turin a veng thei a ni. Carbon a tlem avangin welding leh galvanizing nen a inmil thei a ni. Tuipui kama awm, thliarkar, chi (salt spray region), chemical industry hmun, industry hmun, leh sulfide- bawlhhlawh awmna hmunah te a tha ber.
High-strength alloy structural steel: Strain Triangle Yoke Plate hi extra-long span emaw super-heavy load line-a hman a nih chuan high-strength alloy structural steel thlan a ngai a ni. Alloying elements Cr, Mo, leh Mn te a pai a, comprehensive mechanical property sang tak tak a nei a, hardenability tha tak a nei a, top-level strength, toughness, leh fatigue performance a nei bawk.
