316 zanglamaydigan po'latdan yasalgan dumaloq bar

Jan 26, 2026

Xabar QOLDIRISH

420 1.4021 X20Cr13 Stainless Steel1.4542, S17400, 630, 17-4PH, Precipitation Hardening Stainless Steel440B vs 440C Martensitic Stainless Steels: Mid-Hardness vs Maximum Wear Resistance

🧪 Kimyoviy tarkibi

Kimyoviy tarkibi:

Element Min % Maks % Odatda % ASTM A276 talabi
Uglerod (C) - 0.080 0.035 0,08 dan kam yoki unga teng
Xrom (Cr) 16.0 18.0 17.2 16.0-18.0
Nikel (Ni) 10.0 14.0 12.0 10.0-14.0
Molibden (Mo) 2.0 3.0 2.3 2.0-3.0
Marganets (Mn) - 2.00 1.35 2.00 dan kam yoki unga teng
Kremniy (Si) - 0.75 0.38 0,75 dan kam yoki unga teng
Fosfor (P) - 0.045 0.025 0,045 dan kam yoki unga teng
Oltingugurt (S) - 0.030 0.012 0,030 dan kam yoki unga teng
Azot (N) - 0.10 0.05 0,10 dan kam yoki unga teng
Temir (Fe) Balans Balans 66.1 Balans

⚙️ Mexanik xususiyatlari

Mexanik xususiyatlari:

Mulk ASTM talabi Oddiy qiymat Sinov usuli Harorat
Mustahkamlik chegarasi 515 MPa min 620 MPa ASTM A370 Xona harorati
Hosildorlik (0,2%) 205 MPa min 310 MPa ASTM A370 Xona harorati
Cho'zilish 30% min 40% ASTM A370 Xona harorati
Qattiqlik (Brinell) 217 HB maksimal 185 HB ASTM E10 Xona harorati
Qattiqlik (Rokvell B) 95 HRB maksimal 88 HRB ASTM E18 Xona harorati
Elastiklik moduli - 200 GPa ASTM E111 Xona harorati
Ta'sir energiyasi (Charpy V) - 325+ J ASTM E23 Xona harorati

So'rov yuborish