Product Description:
SPECIFICATlONS
Astm
Astm a240, asme sa240, En10028-7, jis g 4304, gb/t4237
Description
The Alloy
316 and 316L grades can be considered to perform equally well for a given environment. The same is true for Alloy 317L. A notable exception is in environments sufficiently corrosive to cause intergranular corrosion of welds and heat-affected zones on susceptible alloys. In such media, the Alloy 316L and 317L grades are preferred for the welded condition since low carbon levels enhance resistance to intergranular corrosion.
Design features
• Type 316 is more resistant to atmospheric and other mild environments than Type 304. It is resistant to dilute solutions (i.e. 1-5%) of sulfuric acid up to 120 deg.F. However, in certain oxidizing acids, Type 316 is less resistant than Type 304.
• 316 is susceptible to carbide precipitation when exposed in the temperature range of 800 deg. - 1500 deg.F. and therefore is susceptible to intergranular corrosion in the as-welded condition.
• Annealing after welding will restore corrosion resistance.
• Type 316L has the same composition as Type 316 except the carbon content is held below 0.03%. Not unexpectedly, its general corrosion resistance and other properties closely correspond to those of Type 316. However, it does provide immunity to intergranular attack in the as-welded condition or with short periods of exposure in the temperature range of 800 deg. - 1500 deg.F. The use of 316L is recommended when exposure in the carbide precipitation range is unavoidable and where annealing after welding is not practical. However, prolonged exposure in this range may embrittle the material and make it susceptible to intergranular attack.
• The maximum temperature for scaling resistance in continuous service is about 1650 deg. F. and 1500 deg.F. for intermittent service.
• May be susceptible to chloride stress corrosion cracking.
• Non-hardenable; non-magnetic in the annealed condition, and slightly magnetic when cold worked.
• Improved corrosion resistance to chlorides.
Typical applications
Nuclear, chemical processing, Rubber, plastics, pulp/paper, pharmaceutical and textile industries, heat exchangers, condensers and evaporators
Company Contact:
Contact Name: Toby Tan
Company Name: Gloria Steel Limited
Email:
Tel: +86-15981802830
Fax: +86-769-86073079
Street Address: Xinyuan East Road,
Changan, Dongguan, Guangdong, China
Member name: tobytan
Country:
China
Member Since: 30 April 2011
Total Leads:
68 tobytan Import Export Business Leads
Business focus: Steel Plate, Mould Steel, Die Steel, Hot Work Tool Steel, Cold Work Tool Steel, High Speed Tool Steel
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