SHANDONG TONGMAO SPECIAL STEEL CO., LTD
| Payment Terms | L/C, T/T |
| Supply Ability | 1000tons/year |
| Delivery Time | 7-15days |
| Packaging Details | Standard Packing |
| Width | 1000-3500mm |
| Length | 2000-6000mm |
| Grade | 201, 304, 316, 430 |
| Technique | Cold Rolled |
| Application | Mold & Dies, Ship Plate |
| Surface Finish | 2B |
| Brand Name | TONGMAO |
| Model Number | SS Steel Pipes |
| Certification | ISO9001 MTC |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000tons/year |
| Delivery Time | 7-15days | Packaging Details | Standard Packing |
| Width | 1000-3500mm | Length | 2000-6000mm |
| Grade | 201, 304, 316, 430 | Technique | Cold Rolled |
| Application | Mold & Dies, Ship Plate | Surface Finish | 2B |
| Brand Name | TONGMAO | Model Number | SS Steel Pipes |
| Certification | ISO9001 MTC | Place of Origin | China |
4inch Polished Ss Pipe 2205 Duplex Stainless Steel Pipe
| Product Name | Stainless steel pipe |
| Type | Cold Drawn or Hot Rolled |
| Thickness | 0.1-300mm |
| Width | 1000, 1219, 1500, 2000, 2500, 3000mm etc. |
| Length | 1000, 1500, 2438, 3000, 5800, 6000, 9000, 12000mm etc. |
| Standard | ASTM JIS AISI GB DIN EN |
| Surface Finished | BA, 2B, NO.1, NO.4, 4K, HL, 8K |
| Application | It is widely used in high-temperature and electric industry, medical devices, construction, chemistry, food industry, agriculture, and ship components. It also applies to food and beverage packaging, kitchen supplies, trains, aircraft, conveyor belts, vehicles, bolts, nuts, springs, and screen mesh etc. . |
| Certification | CE, ISO, SGS, BV |
| Technique | Hot rolled or cold drawing |
| Edge | Mill Edge / Slit Edge |
| Quality | SGS Inspection |
| Grade(ASTM UNS) | 201 202 301 304 304L 321 316 316L 317L 347H 309S 310S 904L S32205 2507 254SMOS 32760 253MA N08926 etc. |
| Grade (EN) | 1.4301, 1.4307, 1.4541, 1.4401, 1.4404 ,1.4571, 1.4438, 1.4539, 1.4547, 1.4529, 1.4562, 1.4410, 1.4878, 1.4845, 1.4828, 1.4876, 2.4858, 2.4819 |
| Main market | Asia/Europe/ South America |
| Delivery time | Within 7-10 Working Days |
| Port of Loading | Qingdao, China |
| Price Terms | CIF CFR FOB EX-WORK |
| Export Packing | Waterproof Paper, Steel Strip Packed and other Standard Export Seaworthy Package, or customized package |
| Supply Ability | 5000 Ton/Tons per Month |
| Payment Terms | T/T L/C and Western Union etc. |
Duplex stainless steel tube has good welding performance, compared with ferritic stainless steel and austenitic stainless steel, it is not like the welding heat affected zone of ferritic stainless steel, because of the severe coarsing grain and the plastic toughness is greatly reduced, nor like austenitic stainless steel, is more sensitive to welding hot crack.
Because of its special advantages, duplex stainless steel is widely used in petrochemical equipment, seawater and wastewater treatment equipment, oil and gas pipelines, papermaking machinery and other industrial fields. In recent years, it has also been studied in the field of bridge bearing structure, with good prospects for development.
Duplex stainless steel is in its solid quenching structure of ferritic phase and austenite phase accounted for half, generally the minimum phase content may be up to 30%.
Compared with austenitic stainless steel, the advantages of duplex stainless steel
(1) the yield strength is more than twice as high as ordinary austenitic stainless steel, and it has enough plastic toughness required for molding. The wall thickness of tanks or pressure vessels made of duplex stainless steel is 30-50% less than that of commonly used austenite, which is beneficial to reduce costs.
(2) with excellent stress corrosion cracking ability, even the lowest alloy content of duplex stainless steel has higher stress corrosion cracking ability than austenitic stainless steel, especially in the environment containing chloride ions. Stress corrosion is a difficult problem for ordinary austenitic stainless steel.
(3) in many media the most commonly used 2205 duplex stainless steel corrosion resistance is better than ordinary 316L austenitic stainless steel, and super duplex stainless steel has high corrosion resistance, and some media, such as acetic acid, formic acid and so on can even replace high alloy austenitic stainless steel, and corrosion resistant alloy.
(4) has good local corrosion resistance, compared with the alloy content of austenitic stainless steel, its wear corrosion and fatigue corrosion performance is better than austenitic stainless steel.
(5) the linear expansion coefficient is lower than austenitic stainless steel, and close to carbon steel, suitable for connection with carbon steel, has important engineering significance, such as the production of composite plate or lining.
(6) regardless of dynamic or static load conditions, than austenitic stainless steel has higher energy absorption capacity, which for the structural parts to cope with emergencies such as collision, explosion, etc., duplex stainless steel has obvious advantages, has practical application value.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller
Year Established:
2016
Total Annual:
500000-2000000
Employee Number:
1~50
Ecer Certification：
Active Member
SHANDONG TONGMAO SPECIAL STEEL CO., LTD is reputed at supplying stainless steel pipe, carbon steel seamless pipe ,alloy steel pipe, hot-rolled steel pipe, cold rolled steel pipe, galvanized steel pipe, welded steel pipe, precision steel pipe , also supply steel plate , steel coil and lead sheet etc.... SHANDONG TONGMAO SPECIAL STEEL CO., LTD is reputed at supplying stainless steel pipe, carbon steel seamless pipe ,alloy steel pipe, hot-rolled steel pipe, cold rolled steel pipe, galvanized steel pipe, welded steel pipe, precision steel pipe , also supply steel plate , steel coil and lead sheet etc....
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