Xi'an Gangyan specilalized in manufacturing high-quality percision alloy for 23+ years.
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Hotline:0086-29-33669103

Fax:0086-29-33698670

Email:sales@xagy.cn

Location:No. 88 East of Century Avenue, XianYang, Shaanxi, China. P.C. 712046

316

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics.
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Description

Grade 316 is the standard molybdenum-bearing grade, second in importance to 304 amongst the austenitic stainless steels. The molybdenum gives 316 better overall corrosion resistant properties than Grade 304, particularly higher resistance to pitting and crevice corrosion in chloride environments. It has excellent forming and welding characteristics. It is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Grade 316 also has outstanding welding characteristics. Post-weld annealing is not required when welding thin sections.

Application

Food preparation equipment particularly in chloride environments;Laboratory benches & equipment;Coastal architectural panelling, railings & trim;Boat fittings;Chemical containers, including for transport;Heat Exchangers;Woven or welded screens for mining, quarrying & water filtration;Threaded fasteners;Springs.

parameter

Chemical Composition (%)

C P S Mn Si Cr Ni Mo Fe
0.03 0.045 0.03 2.0 1.0 16-18.5 10-14 2-3 Balance

Physical Property

Density(kg/m3) 8000
Elastic Modulus(GPa) 193
Mean Co-eff of Thermal Expansion (μm/m/℃) 0-100℃ 15.9
0-315℃ 16.2
0-538℃ 17.5
Thermal Conductivity (W/m.K) At 100℃ 16.3
At 500℃ 21.5
Specific Heat 0-100℃(J/kg.K) 500
Elec Resistivity(nΩ.m) 740

Mechanical Property

Tensile Strength (MPa) min 515
Yield Strength 0.2%Proof (MPa) min 205
Elongation (% in 50mm) min 40
Hardness Rockwell B (HRB) max 95
Brinell (HB) max 217

Corrosion Resistance

Excellent in a range of atmospheric environments and many corrosive media - generally more resistant than 304. Subject to pitting and crevice corrosion in warm chloride environments, and to stress corrosion cracking above about 60°C. Considered resistant to potable water with up to about 1000mg/L chlorides at ambient temperatures, reducing to about 500mg/L at 60°C.
316 is usually regarded as the standard “marine grade stainless steel”, but it is not resistant to warm sea water. In many marine environments 316 does exhibit surface corrosion, usually visible as brown staining. This is particularly associated with crevices and rough surface finish.

Heat Resistance

Good oxidation resistance in intermittent service to 870°C and in continuous service to 925°C. Continuous use of 316 in the 425-860°C range is not recommended if subsequent aqueous corrosion resistance is important. Grade 316L is more resistant to carbide precipitation and can be used in the above temperature range. Grade 316H has higher strength at elevated temperatures and is sometimes used for structural and pressure-containing applications at temperatures above about 500°C.

Heat Treatment

Solution Treatment (Annealing) - Heat to 1010-1120°C and cool rapidly. These grades cannot be hardened by thermal treatment.

Welding

Excellent weldability by all standard fusion methods, both with and without filler metals. AS 1554.6 pre-qualifies welding of 316 with Grade 316 and 316L with Grade 316L rods or electrodes (or their high silicon equivalents). Heavy welded sections in Grade 316 require post-weld annealing for maximum corrosion resistance. This is not required for 316L. Grade 316Ti may also be used as an alternative to 316 for heavy section welding.

Size Range

  1. Sheet---Thickness 0.10mm~0.50mm,width10.0~210.0mm, Condition:cold rolled,bright
  2. Plate---Thickness 3.5~40.0mm,width≤300mm, Condition:cold rolled,hot rolled
  3. Bar---Dia 8.0mm~Dia 32.0mm,length≤2000mm, Condition:hot rolled,burnished Dia 32.0mm~Dia 150.0mm,length:≤1000mm, Condition:hot forging,peeled,turned

XAGY Advantages

1. High-qulity product

  • ISO9001:2008 International Quality System Certification.
  • With advanced equipments: VIMF, Induction Furnace, ESR Furnace ect.
  • Strict Quality-testing System.

2. Strong R & D Strength

  • 40,000㎡ production base.
  • 60+ R & D team members, with rich customization experience.
  • A good assortment of alloy to choose.

3. Efficient delivery

  • Flexible transport means, very convenient.
  • Tailor a suitable transport plan.

4. Good service

  • We provide online service, information feedback within 24 hours.
  • Professional team to provide remote technical advice and guidance.

Contact XAGY

Xi'an Gangyan Special Alloy Co., Ltd.

Hotline: 0086-29-33669103

Fax: 0086-29-33698670

Email: sales@xagy.cn

Add.: No. 88 East of Century Avenue, XianYang, Shaanxi, China. P.C.712046

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