不銹鋼板

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專門製造,供應和出口不銹鋼板,工廠位於Taiwan。客戶的滿意度由產品的質量和我們的承諾決定。我們一向專注於製造高品質產品,按時交貨並提供優質的售後服務。我們具有創新精神,配備最先進的生產檢測設備來製造各類產品。歡迎來自全球的批發商,分銷商,採購商,代理商和產品OEM/ODM來函來電垂詢。
  • 不銹鋼板

型號:
不銹鋼板
Specifications
Article304 Cold Rolled stainless steel sheet
StandardAISI, ASTM, GB, JIS
Widthas your requirement
SurfaceBA
typePlate / Strip / Sheet / Coil
Thickness0.4mm; 0.5mm; 0.6mm; 0.7mm; 0.8mm; 0.9mm; 1.0mm; 1.1mm; 1.2mm; 1.3mm; 1.4mm; 1.5mm; 1.6mm; 1.7mm; 1.8mm; 1.9mm; 2.0mm~4.0mm
UsageCold-rolled, bright annealed and skin passed products with extremely good surface glossiness and high reflectivity, are used in building decoration, home appliance product and kitchen installation, etc.
Parkingwooden packing or
PaymentSmall quantity:T/T at sight,30% in advance ,70% after receiving the B/L cop; Large quantity:L/C at sight
Delivery Time15days after received T/T or L/C

SUS304 chemical composition:
ElementsCSiMnPSCrNi
Specification≤ 0.08≤ 1.00≤ 2.00≤ 0.045≤ 0.03018.0-20.08.00-10.50

Hydrogen deteriorates material mechanical properties significantly even at small concentrations. At 25 ppm of hydrogen, 304 stainless steel shows notable hydrogen embrittlement that lost10% mechanical strength20% plasticity.

The hydrogen-affected zone (the brittle crown) forms around the outer surface of specimens. By extending the charge time, the hydrogen embrittlement zone expands from the outer surface to the central area of specimens. At 60 ppm hydrogen, this material became more brittle, lost23% strength38% plasticity. At this point, the brittle mode dominates the fracture of the material.

The density of dimples in the residual ductile area decreases remarkably. The hydrogen penetration in 304 stainless steel is faster than expected. At 45 ppm hydrogen concentration, the brittle inter-granular ruptures were already observed in the center of the specimen although the ductile rupture still dominates the most central area.

The electrochemical hydrogen charge is a unique method to introduce high levels of hydrogen into the metals in a very short period. The cost of experimentation is relatively low in comparison to gaseous hydrogen charge.


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