AISI 347 zanglamaydigan po'latdan - Premium niobiy barqarorlashtirilgan daraja

Mar 23, 2026

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What is 1.4833 Stainless Steel?What is 1.4845 Stainless Steel?Stainless Steel - Grade 347 - AISI 347 Fe/Cr18/Ni10/Nb (UNS S34700)

🧪 Kimyoviy tarkibi

Element Tarkibi (%)
Uglerod (C) 0,08 dan kam yoki unga teng
Marganets (Mn) 2.00 dan kam yoki unga teng
Silikon (Si) 0,75 dan kam yoki unga teng
Fosfor (P) 0,045 dan kam yoki unga teng
Oltingugurt (S) 0,030 dan kam yoki unga teng
Xrom (Cr) 17.0 - 20.0
Nikel (Ni) 9.0 - 13.0
Niobiy (Nb) 10 × C min, 1,00 maksimal
Temir (Fe) Balans

⚙️ Mexanik xususiyatlari

Mulk Qiymat
Kuchlanish kuchi (xona harorati) 515 MPa dan katta yoki unga teng
Hosildorlik (0,2% ofset) 205 MPa dan katta yoki unga teng
50 mm gacha cho'zish 40% dan katta yoki teng
Qattiqlik (Brinell) 217 HB dan kam yoki unga teng
Qattiqlik (Rokvell B) 95 HRB dan kam yoki unga teng
Ta'sir energiyasi (Charpy V-cho'qqisi, 20 daraja) 120 J dan katta yoki unga teng
Charchoq chegarasi (107tsikllar) 240 MPa
Young moduli 200 GPa

🔬 Jismoniy xususiyatlar

Mulk Qiymat
Zichlik 7,95 g/sm³
Erish nuqtasi 1400-1450 daraja
Issiqlik o'tkazuvchanligi (20 daraja) 14.2 W/m·K
Issiqlik kengayish koeffitsienti (20-100 daraja) 17.3×10-6/K
Maxsus issiqlik sig'imi 500 J/kg·K
Elektr qarshiligi (20 daraja) 0.73 µΩ·m
Magnit o'tkazuvchanlik 1.02 (paramagnit)
Puasson nisbati 0.27-0.30

📏 Mahsulot xususiyatlari

Mahsulot shakli Mavjud o'lchamlar Standartlar
Issiq haddelenmiş plitalar Qalinligi: 6-100 mm, kengligi: 2500 mm gacha ASTM A240, ASME SA-240
Sovuq haddelenmiş choyshablar Qalinligi: 0,4-6 mm, kengligi: 1500 mm gacha ASTM A240, EN 10088-2
Dumaloq panjaralar Diametri: 6-300 mm, Uzunligi: 6000 mm gacha ASTM A276, ASTM A479
Choksiz quvurlar OD: 6-610 mm, WT: 1-60 mm ASTM A213, ASTM A312
Payvandlangan quvurlar OD: 10-1220mm, WT: 1-40mm ASTM A312, ASTM A358
Yuzaki qoplamalar 2B, BA, No.4, HL, Mirror ASTM A480
O'lchovli bardoshlik ± 0,1 mm dan ± 0,5 mm gacha ASTM standartlariga muvofiq

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