
Kencotube is one of the renowned producer & wholesaler of SS 316 Pipes & Tubes, which is the standard molybdenum-bearing grade, second in importance to SS 304 amongst the austenitic stainless steels. Stainless Steel 316 Tubes is immune from sensitisation (grain boundary carbide precipitation), which is additionally extensively used in heavy gauge welded components (over about 6mm). SS 316 Pipes are usually regarded as the standard “marine grade stainless steel”, but it is not resistant to warm sea water. SS 316 Tubes has good oxidation resistance in intermittent service to 870 Degree C and in continuous service to 925 Degree C. Continuous use of Alloy 316 Pipes in the 425-860 Degree C range is not recommended if subsequent aqueous corrosion resistance is important. In many marine environments, Alloy 316 Tubes does exhibit surface corrosion, usually visible as brown staining.
The molybdenum offers 316 Stainless Steel Pipes Tubes improved overall corrosion resistant features than SS 304, mainly superior resistance to crevice and pitting corrosion in chloride atmospheres. Grade 316 Pipes Tubes has excellent forming and welding characteristics. Stainless Steel 316 Seamless Pipes is readily brake or roll formed into a variety of parts for applications in the industrial, architectural, and transportation fields. Stainless Steel 316 Welded Pipes also has outstanding welding characteristics. Post-weld annealing in Stainless Steel 316 ERW Pipes is not required when welding thin sections. In Stainless Steel 316 EFW Pipes, an oxidized layer forms as well that must be chemically or mechanically removed after work.
Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
Size | Seamless 316 Pipes and Tubes - 1/2" NB - 16" NB |
ERW 316 Pipes and Tubes | 1/2" NB - 24" NB |
EFW 316 Pipes and Tubes | 6" NB - 100" NB |
Wall Thickness | Schedule 5S - Schedule XXS. |
Dimensions | ASTM, ASME and API |
Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
Length | Single Random, Double Random & Cut Length. |
Form | Round, Square, Rectangular, Hydraulic Etc. |
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | AFNOR | EURONORM |
---|---|---|---|---|---|---|
SS 316 | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 | Z7CND17‐11‐02 | X5CrNiMo17-12-2 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
---|---|---|---|---|---|---|---|---|---|---|
SS 316 | Min | - | - | - | 0 | - | 16.0 | 2.00 | 10.0 | - |
Max | 0.08 | 2.0 | 0.75 | 0.045 | 0.03 | 18.0 | 3.00 | 14.0 | 0.10 |
Grade | Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elong (% in 50mm) min |
---|---|---|---|
SS 316 | 515 | 205 | 40 |
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