304 Stainless Steel Marine Pump Cover
Introduction
304 stainless steel is one of the most widely used chromium - nickel stainless steel, as a widely used steel, It has good corrosion resistance, heat resistance, low temperature strength and mechanical properties; Stamping, bending and other thermal processing, no heat treatment hardening phenomenon (use temperature -196℃ ~ 800℃). Corrosion resistance in the atmosphere, if it is an industrial atmosphere or heavily polluted area, it needs to be cleaned in time to avoid corrosion. Suitable for food processing, storage and transportation. It has good machinability and weldability. In addition, we can process and customize according to customer's drawings and material requirements.
Mechanical Properties of 304 Stainless Steel
Tensile strength σ B (MPa)≥515-1035
Conditional yield strength σ0.2 (MPa)≥205
Elongation δ5 (%)≥40
Hardness: ≤201 HBW ; ≤ 92 HRB ; ≤210 HV
Density (20℃, g/cm³) : 7.93
Melting point (℃) : 1398~1454
Specific heat capacity (0~100℃, KJ·kg-1K-1) : 0.50
Thermal conductivity (W·m-1· k-1) :(100℃) 16.3, (500℃) 21.5
Linear expansion coefficient (10-6· k-1) :(0~100℃) 17.2, (0~500℃) 18.4
Resistivity (20℃, 10-6 ω ·m2/m) : 0.73
Longitudinal elastic modulus (20℃, KN/mm2) : 193
Chemical Component of 304 Stainless Steel
Product name standard: stainless steel GB1220-92
Mark: 0 cr18ni9
Chemical composition %
C: ≤ 0.07 Si: ≤1.0 Mn: ≤2.0 Cr: 17.0 ~ 19.0 Ni: 8.0 ~ 11.0 S: ≤ 0.03 p: ≤ 0.035
The US: 304
Japan: SUS304
Germany: X5Cr - Ni18.9
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