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Ds18b20 Polished 316 Stainless Steel Pipe JIS 1500mm Decoiling Food Grade 27MM
There are three major classes of stainless steel.
1. Austenitic: Chromium-nickel-iron alloys with 16%-26% chromium (Cr), 6%-22% nickel (Ni), and low carbon content, with non-magnetic properties. Type 304 ( 18% chromium, 8% nickel ) is the most commonly used grade or composition.
2. Martensitic: Chromium-iron alloys with 10.5%-17% chromium and carefully controlled carbon content. It has magnetic properties! Type 420 is a typical example. It is mostly used in knives and kitchen equipment.
3. Ferritic: Chromium-iron alloys with 17%-27% chromium and low carbon content, with magnetic properties! Type 430 is the most commonly used ferritic.
The chromium content in stainless steel alloys is what generally prevents corrosion. The chromium works by reacting with oxygen to form a tough, adherent, invisible, passive layer of chromium oxide film on the steel surface. If damaged mechanically or chemically this film is self healing as long as it has enough oxygen. Since oxygen is necessary for reaction, liquids and other things stored for a prolong time in stainless can prevent oxygen contact and thus promote corrosion. If you remove rust with a cloth the chromium will chemically react with the oxygen in the air and produce a new protective layer.
316 Stainless Steel Pipe Specification
| Product Name | Ds18b20 Polished 316 Stainless Steel Pipe JIS 1500mm Decoiling Food Grade 27MM |
| Standard | AISI,ASTM, EN, BS, GB, DIN, JIS |
| Diameter | 27mm |
| Thickness | 1mm |
| Length | 1500mm |
| Dia Tolerance | H9 / H11 / H13 ,or requirement |
| Materials | 316L |
| Surface | Bright, pickling ,polishing,annealing,etc |
| Inspection | ISO,BV,SGS,MTC |
| Packing | Waterproof paper, and steel strip packed. Standard Export Seaworthy Package.Suit forall kinds of transport,or as required |
| Supply Ability | 1000 metric tons/month |
| MOQ | 5 metric ton,sample order accepted |
| Shipment time | Within 7-10 workdays after receiving deposit or L/C |
| Payments | T/T,LC |
Stainless Steel Pipe Chemical Component( %)
| Grade ASTM | C | Si | Mn | S | P | Cr | Ni |
| 316 | ≤0.035 | ≤1.00 | 2 | ≤0.03 | ≤0.045 | 16-18 | 10-14 |
| 304 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 17.00-19.00 | 8.00-11.00 |
