Wuxi Baoneng Stainless Steel Co., Ltd.
Wuxi Baoneng Stainless Steel Co., Ltd. Professional one-stop supplier of stainless steel products Quality first, integrity-based
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309 is an austenitic chromium-nickel stainless steel known for its high corrosion resistance and strength. 309 has the same machining properties as 304, and can be roll formed, stamped, and drawn easily.
Due to its properties, especially its ability to work under high-temperatures, you will find 309 in a wide variety of applications including:
Boiler baffles, furnace components, oven lining, fireboxes, kiln Liners, sulfite liquor handling equipment, carbuizing-annealing boxes, heat exchangers, aircraft engines, automotive exhaust parts
ElementType 309 (Wt.%)
Carbon: 0.20 max
Manganese: 2.00 max.
Phosphorus: 0.045 max.
Sulfur: 0.030 max.
Silicon: 1.00 max.
Chromium: 22.00-24.00
Nickel: 12.00-15.00
Element (Wt.%)
| Carbon | Manganese | phosphorus | Sulfur | Silicon | Chromium | Nickel |
| 0.20max | 2.00max | 0.045max | 0.030max | 1.00max | 22.00-24.00 | 12.00-15.00 |
Hot rolled
| Commodity | 309 hot rolled stainless steel sheet |
| Brand | TISCO, ZPSS, BAOSTEEL, POSCO, JISCO, LISCO, etc |
| Thickness | 3mm-30mm, or as customized |
| Width | 1500mm/1800mm/2000mm, or as customized |
| Length | 2000mm/2438mm/6000mm, or as customized |
| Application | Boiler baffles, furnace components, oven lining, fireboxes, kiln Liners, sulfite liquor handling equipment, carbuizing-annealing boxes, heat exchangers, aircraft engines, automotive exhaust parts, etc |
| Delivery Time |
Within 15 days for less than 100mt About 30 days for on and more than 100mt |
| Price Terms | FOB/ CFR/ CIF |
| Package | Standard Export Packaging |
Cold rolled
| Commodity | 309 cold rolled stainless steel sheet |
| Brand | TISCO, ZPSS, BAOSTEEL, POSCO, JISCO, LISCO, etc |
| Thickness | 0.3mm-6mm |
| Width | 1000mm/1220mm/1500mm/2000mm, or as customized |
| Length | 2000mm/2438mm/6000mm, or as customized |
| Surface | 2B/ BA/ No.4/ 8K/ HL |
| Application | Boiler baffles, furnace components, oven lining, fireboxes, kiln Liners, sulfite liquor handling equipment, carbuizing-annealing boxes, heat exchangers, aircraft engines, automotive exhaust parts, etc |
| Delivery Time |
Within 15 days for less than 100mt About 30 days for on and more than 100mt |
| Price Terms | FOB/ CFR/ CIF |
| Package | Standard Export Packaging |
Surface Treatment
| Surface Treatment | Definition | Application |
| NO.1 | A hot - rolled piece whose surface has been treated by heat treatment, pickling or the corresponding process | Chemical Tanks, Pipes, Chemical Industry Equipment etc. |
| 2B | After cold rolling, heat treatment, pickling or other equivalent treatment, the final cold rolling to give appropriate luster | Medical Equipment, Food Industry, Construction Material, Kitchen Utensils etc. |
| BA | After cold rolling, bright heat treatment is given | Kitchen Utensils, Electric Equipment, Building Construction etc. |
| NO.4 | Products polished with abrasives 150 to 180 as specified in JIS R6001 | Kitchen Utensils, Building Construction, Medical Equipment etc. |
| HL | After polishing, use the appropriate abrasive size to form a continuous polishing streak | Building Construction etc. |
| 8K | A mirror-like reflective surface given by polishing with finer abrasives over 800 mesh | Reflector, Mirror, Interior and exterior decoration etc. |
PIPE
| Commodity | 309 seamless/welded stainless steel pipe |
| Grade | 309 |
| OD | 6mm-426mm, or as customized |
| WT | 1mm-30mm, or as customized |
| Length | 5m-7m, or as customized |
| Surface | Pickling, matt, polished, mirror |
| Application | handrail, railing, staircase, weld mesh screen, door, window, balcony, fence, bench, furniture, etc. |
| Delivery Time | 7-30 days, according to quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | In bundles, water proof packing, in wooden case, or as per customers’ requirement |
COIL
| Commodity | 309 hot rolled/cold rolled stainless steel coil |
| Brand | TISCO, ZPSS, BAOSTEEL, POSCO, JISCO, LISCO, etc |
| Surface | No.1/ 2B/ BA/ No.4/ 8K/ HL |
| Thickness | 0.3mm-16mm |
| Width | 1000mm-2000mm, or as customized |
| Length | as customized |
| Application | Boiler baffles, furnace components, oven lining, fireboxes, kiln Liners, sulfite liquor handling equipment, carbuizing-annealing boxes, heat exchangers, aircraft engines, automotive exhaust parts, etc |
| Delivery Time | Normally within 15 days, according to the quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | Standard Export Packaging |
Bar
| Commodity | 309 stainless steel round bar |
| Diameter | 1mm-800mm |
| Length | 6m, or as customized |
| Surface | Bright, pickled, black |
| Application | Construction field, shipbuilding industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchange, machinery hardware fields |
| Delivery Time | 7-30 days, according to quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | Export standard package, or as per customers’ requirement |
STRIP
| Commodity | 309 stainless steel strip |
| Brand | TISCO, ZPSS, BAOSTEEL, POSCO, JISCO, LISCO, etc |
| Surface | No.1/ 2B/ BA/ No.4/ 8K/ HL |
| Thickness | 0.02mm-5mm |
| Width | 15mm-600mm |
| Length | as customized |
| Application | Boiler baffles, furnace components, oven lining, fireboxes, kiln Liners, sulfite liquor handling equipment, carbuizing-annealing boxes, heat exchangers, aircraft engines, automotive exhaust parts, etc |
| Delivery Time | Normally within 15 days, according to the quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | Standard Export Packaging |
SQUARE PIPE
| Commodity | seamless/welded stainless steel square pipe |
| Grade | 309/309S/310S |
| Size | 10mmx10mm~200mmx200mm |
| Thickness | 1mm-10mm |
| Length | 6m, or as customized |
| Surface | Pickling, matt, polished, mirror |
| Application | handrail, railing, staircase, weld mesh screen, door, window, balcony, fence, bench, furniture, etc. |
| Delivery Time | 7-30 days, according to quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | Standard export packaging |
| Commodity | seamless/welded stainless steel rectangular pipe |
| Grade | 309/309S/310S |
| Size | 20mmx10mm, 40mmx20mm, 50mmx20mm, 80mx60mm, 150mmx100mm, or as customized |
| Thickness | 1mm-10mm |
| Length | 6m, or as customized |
| Surface | Pickling, matt, polished, mirror |
| Application | handrail, railing, staircase, weld mesh screen, door, window, balcony, fence, bench, furniture, etc. |
| Delivery Time | 7-30 days, according to quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | Standard export packaging |
Element (Wt.%)
| C | Mn | P | S | Si | Cr | Ni | |
| 309 | 0.20max | 2.00max | 0.045max | 0.030max | 1.00max | 22.00-24.00 | 12.00-15.00 |
| 309S | 0.08max | 2.00max | 0.045max | 0.030max | 1.00max | 22.00-24.00 | 12.00-15.00 |
| 310S | 0.08max | 2.00max | 0.035max | 0.030max | 1.50max | 24.00-26.00 | 19.00-22.00 |
Mechanical Property
| Material Item | Tensile Strength (MPa) | Yield Strength (MPa) | Extension | Hardness (HV) | Density |
| 309S | ≥520 | ≥205 | ≥40% | ≤200 | 7.98g/cm³ |
| 310S | ≥520 | ≥205 | ≥40% | ≤225 | 7.98g/cm³ |
Angle Bar
| Commodity | 309/309s/310s stainless steel angle bar |
| Size | 20mmx20mmx3mm~150mmx150mmx12mm |
| Length | 6m, or as customized |
| Surface | Bright, pickled, black |
| Application | Construction field, shipbuilding industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchange, machinery hardware fields |
| Delivery Time | 7-30 days, according to quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | Export standard package, or as per customers’ requirement |
Flat Bar
| Commodity | 309s/310s stainless steel flat bar |
| Thickness | 3mm-60mm |
| Width | 10mm-200mm, or as customized |
| Length | 6m, or as customized |
| Surface | Bright, pickled, black, polished |
| Application | Construction field, shipbuilding industry, petroleum & chemical industries, war and electricity industries, food processing and medical industry, boiler heat exchange, machinery hardware fields |
| Delivery Time | 7-30 days, according to quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | Export standard package, or as per customers’ requirement |
Thick Wall PIPE
| Commodity | 309/309s/310s stainless steel thick wall pipe |
| Grade | 309/309s/310s |
| Technique | Seamless, welded |
| OD | 20mm-426mm, or as customized |
| WT | 6mm-30mm, or as customized |
| Length | 5m-7m, or as customized |
| Surface | Pickling, matt, polished, mirror |
| Application | Chemical industry, architecture, petro chemical industry, chemical fertilizer production, food industry, boiler heat exchangers, natural gas industry, pharmaceutics, warter transfer, environmental protection and construction and building area., etc |
| Delivery Time | 7-30 days, according to quantity |
| Price Terms | FOB/ CFR/ CIF |
| Package | Standard export package, or as per customers’ requirement |