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Help CenterCold Rolled Seamless Tubing 1.4539 1.4162 1.4462 1.4362 1.4410 1.4501 Stainless Steel Pipe
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321 (UNS S32100) is titanium stabilized austenitic stainless steel plate with good general corrosion resistance. It has
excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range
of 800 - 1500°F (427 - 816°C). The alloy resists oxidation to 1500°F (816°C) and has higher creep and stress rupture
properties than alloys 304 and 304L. It also possesses good low temperature toughness.
Alloy 321H (UNS S 32109) stainless steel plate is the higher carbon (0.04 - 0.10) version of the alloy. It was developed for
enhanced creep resistance and for higher strength at temperatures above 1000oF (537°C). In most instances, the carbon
content of the plate enables dual certification.
Alloy 321 stainless steel plate cannot be hardened by heat treatment, only by cold working. It can be easily welded and
processed by standard shop fabrication practices.
Alloy 321 stainless steel plate exhibits good general corrosion resistance that is comparable to 304. It was developed for
use in the chromium carbide precipitation range of 1800 - 1500°F here un-stabilized alloys such as 304 are subject to
intergranular attack.The alloy can be used in most diluted organic acids at moderate temperatures and in pure phosphoric
acid at lower temperatures and up to 10% diluted solutions at elevated temperatures. Alloy 321 resists polythionic acid
stress corrosion cracking in hydrocarbon service. It can also be utilized in chloride or fluoride free caustic solutions at
moderate temperatures.Alloy 321 stainless steel plate does not perform well in chloride solutions, even in small concentrations,
or in sulfuric acid service.
| Product Name | Stainless Steel Seamless Pipes /Tubes Труба нержавеющая бесшовная Tubería de acero inoxidable sin costura Tubos de Aço Inoxidável sem Costura |
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| Company Inform | 1.Name:ZHEJIANG ZHONGZHENG STAINLESS STEEL., LTD 2.Type: Manufacturer |
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| Material | Austenitic: TP304, TP304L, TP304H, TP309S, TP310S, TP316L, TP316Ti, TP317L, TP321, TP321H, TP347H , 904L, 254SMO GOST Grade: 08х18н10т,12х18н10т(AISI 321), 10х17н13м2т(AISI 316Ti), , 20х23н18(AISI 310S), 06хн28мдт(AISI 904L), 08х18н10(AISI304) |
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| Duplex Stainless: UNS S31803,UNS S2205,UNS S32750, UNS S32760 | ||
| Nickel Alloy: Incoloy: 800/800H/800HT 825 926 20 28 201 200 Inconel :718 600 601 625 Hastelloy: C-22 C-276 B-2 B-3 High Temperature Alloy:GH3030 GH3039 Cr20Ni80 ; Monel400,K-500 | ||
| Standard | ASTM A312,ASTM A213,ASTM A269,ASTM A511,ASTM A789,ASTM A790 ASTM B161 B163 B165 B167 B407 B423 B444 B622 B677 B729 B983 EN 10216-5,DIN 17456 GB/T 14976,GB13296,GB/T 21833,GB/T 15011,GB/T 15062 GOST 9940,GOST 9941 |
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Specification
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D(Outer Diameter) | 6mm-630mm 1/8inch-24inch |
| T(Wall Thickness) | 0.89mm-40mm SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, SCH XXS 10 BWG, 12 BWG, 14 BWG , 16 BWG, 18 BWG, 20 BWG |
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| L(Length) | Random length 5~7m Fixed length 6m /6.096m /6.1m/12m or as customer's actual request |
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| Surface | Annealing&Pickling, Polishing (180#,240#,320#,400#,600#) Bright Annealing Sand Blasting Shot Blasting |
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| Pipe End | Plain End (PE); Bevelled End (BE); Threaded End (TE) |
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| Markings | GH-STEEL S.S SMLS PIPE GOST 9941 12X18H10T 57X3.5 MM HEAT NO.*********** Markings will adhere to prescribed specifications in A999/A999M and shall include the NPS or OD and schedule number or average wall thickness, heat number, and NH (when hydrotesting is not performed) and ET (when eddy-current testing is performed) or UT (when ultrasonic testing is performed). The marking shall also include the manufacturer's private identifying mark, the marking requirement of section 12.3 on Hydrostatic or Nondestructive Electric Test, if applicable, and whether seamless (SML), welded (WLD), or heavily cold-worked (HCW). For Grades TP304H, TP316H, TP321H & TP347H, the marking shall also include the heat number and heat-treatment lot identification. |
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| Flattening Test | For material heat treated in a continuous furnace flattening tests shall be made on a sufficient number of pipes to constitute 5% of the lot, but in no case less than 2 lengths of pipe. | |
| Hydraulic Test or Nondestructive Test | Each pipe shall be subjected to the Nondestructive Test or the hydraulic test | |
| Value Added Services | Customize Length, Bending, Polishing, Shot Blasting, Drilling/Punching, Oil Degreasing | |
| Delivery Time | 1.for ready stock :7 days after receiving the deposit of T/T 2.For MTO: 35 days after receiving the deposit of T/T |
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| Trade Terms | EXW,FOB, CFR, CIF etc. | |
| Loading Port | Ningbo/Wenzhou/Shanghai | |
| Remittance method | TT/LC/CASH/DP | |
| Container | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM |
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| Referenced Documents | ASTM Referenced Standards A262 Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels A370 Test Methods and Definitions for Mechanical Testing of Steel Products A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys A999/A999M Specification for General Requirements for Alloy and Stainless-Steel Pipes A1016/A1016M Specification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless-Steel Tubes E112 Test Methods for Determining Average Grain Size E381 Method of Macroetch Testing Steel Bars, Billets, Blooms, and Forgings E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS) |
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STM A312 TP321H stainless steel seamless pipe is a high-quality, titanium-stabilized austenitic stainless steel pipe designed for high-temperature applications. This grade offers excellent resistance to intergranular corrosion and is commonly used in various industrial settings. The "H" designation indicates a higher carbon content, which is beneficial for specific applications.
Key Features and Benefits:
High-Temperature Resistance: The titanium stabilization in TP321H prevents the formation of chromium carbide, ensuring excellent resistance to intergranular corrosion at high temperatures.
Enhanced Weldability: While having a slightly higher carbon content than standard 321, the titanium still allows for good weldability, making it suitable for various welding techniques.
Versatile Applications: TP321H is suitable for a wide range of applications, including:
Heat exchangers
Food preparation equipment, especially in chloride environments
Chemical processing equipment
Architectural applications
Exhaust systems
Good Corrosion Resistance: The chromium content of the steel allows the formation of a protective oxide film, making it resistant to corrosion in various environments.
Production Methods: TP321H pipes can be produced through various methods, including:Electric fusion welding, Electric resistance welding, Cold drawing ,Cold rolling
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