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Grade(UNS): | 304/304L;316/316L;321;310S |
Outside Diameter | 6 -325mm(1/4" – 12.75") |
Wall Thickness: | 0.50-22mm |
Standards(Norm): | DIN 17456/17458, ASTM A213/A269/A312/A790/A270, ASME SA213/SA312/SA269/SA270 |
Application | Chemical and petrochemical industry, Oil and gas applications, Mechanical and plant engineering and construction |
Surface | Pickled/polished outside/polished outside and inside surface |
Length | Random length or fix length, Max length is 13M/43FT |
Package | knitting strip bundle/wooden box |
The use of seamless stainlesssteel pipe has expanded into new applications, such as light industry, foodstuff, home electric appliances, kitchen articles, construction and decorations, railroad vehicles; some seamless stainless steel pipe/tube which has excellent corrosion resistant, mechanical properties are suitable to produce general purpose parts, cutting tools, mechanical parts, petroleum refining equipment, bolts and nuts, pump rods, and kitchenware.Chemical Composition
Grade | Chemical Composition | ||||||||
C max | Si max | Mn max | P max | S max | Ni | Cr | Mo | Others | |
TP 304 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 8 - 11 | 18 - 20 | ||
TP 304L | 0.035 | 0.75 | 2 | 0.04 | 0.03 | 8 - 13 | 18 – 20 | ||
TP 310S | 0.08 | 0.75 | 2 | 0.045 | 0.03 | 19 - 22 | 24 -26 | 0.75 max | |
TP 316 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 10 - 14 | 16 – 18 | 2 – 3 | |
TP 316L | 0.035 | 0.75 | 2 | 0.04 | 0.03 | 10 - 15 | 16 - 18 | 2 - 3 | |
TP 317 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 11 - 14 | 18 - 20 | 3 - 4 | |
TP 321 | 0.08 | 0.75 | 2 | 0.04 | 0.03 | 9 - 13 | 17 - 20 | Ti: 5×C% | |
Mechanical Properties | |||||
Grade | Tensile Strength Mpa, (Min) | Yield Strength Mpa, (Min) | %Age Elongation in 50mm gauge length min | Hardness (Max) | |
BHN | Rb | ||||
301 | 585 | 244 | 56 | 197 | 75 |
304 | 585 | 244 | 56 | 191 | 72 |
304L | 585 | 210 | 56 | 191 | 72 |
310S | 615 | 245 | 56 | 197 | 75 |
316 | 615 | 245 | 57 | 197 | 75 |
316L | 585 | 215 | 56 | 197 | 75 |
321 | 615 | 245 | 56 | 197 | 75 |
Advantages: Excellent and high quality control;
Competitive price; Ample stockage;
Prompt delivery; Firm in structure;
Durable in use; Strong corrosion.
Seamless stainless steel pipes