ຜະລິດຕະພັນ

ທໍ່ສະແຕນເລດຂາຍສົ່ງ - ຫຼັກຊັບຄຸນນະພາບຈາກໂຮງງານຈີນທີ່ເຊື່ອຖືໄດ້ໂດຍກົງ

Stainless steel pipes are mainly divided into two categories: seamless stainless steel pipes and welded stainless steel pipes. Their shapes include round, square, rectangular, and oval pipes. According to their uses, they can be divided into industrial fluid pipes, boiler heat-resistant pipes, precision instrument pipes, building decoration pipes, and sanitary food-grade pipes. Commonly used materials include 201, 304, 316L, 321, 310S, and 2205.

Stainless steel pipes have outstanding practical advantages. They have strong rust and corrosion resistance, are not afraid of acids, alkalis, humidity, and coastal salt spray environments, and are not easily oxidized and damaged. They have excellent high and low temperature resistance, stable performance under cold and hot environments, and are not easily deformed or cracked. The inner wall of the pipe is smooth, resulting in low resistance to the transported medium, preventing scaling and blockage, and ensuring high flow efficiency. The material is safe, non-toxic, clean, and hygienic, suitable for drinking water, food, and pharmaceutical transportation. They have high overall mechanical strength, strong pressure resistance, are durable, and have a service life far exceeding that of ordinary pipes. They are also easy to cut and weld, convenient to install, and have low maintenance costs. They are widely used in many fields such as chemical, heating, municipal plumbing, machinery equipment, and environmental protection engineering.


Comparison Table of Common Stainless Steel Welded Pipe Material Parameters

Material Types:

Core Performance Characteristics

Applicable Temperatures

Main Application Scenarios

Value for money

201

Weak rust resistance, good toughness, easy to process, moderate corrosion resistance

Normal Room Environment

Building decoration, railings, shelves, general household pipe fittings

Lowest price

304

Excellent overall corrosion resistance, strong versatility, easy to weld and form

≤450℃

Water supply and drainage pipes, food processing pipes, general industrial fluid pipes

Highest value for money

316L

Molybdenum-added corrosion resistance, strong resistance to chloride ions, acids, and alkalis

≤500℃

Chemical fluids, seawater transportation, medical equipment pipe fittings

Moderate to high price

321

Titanium-containing structure stabilizes, resists intergranular corrosion, good weldability

≤600℃

Boiler pipes, heating pipes, high-temperature welded pipe fittings

High price

309S

Excellent high-temperature resistance and oxidation resistance

900-980℃

High-temperature flues, heat treatment furnace piping, heat-resistant air ducts

Relatively high price

310S

Ultra-high temperature resistance, top-tier oxidation resistance

1000-1150℃

Incinerator pipes, high-temperature kiln pipe fittings, high-temperature exhaust gas pipes

Extremely high price

2205 Duplex

High strength, resistant to stress corrosion and high-chlorine corrosion

Medium-High Temperature and Strong Corrosion Environment

Desulfurization pipes, marine engineering, high-salinity wastewater transportation pipes

High-end and expensive

Stainless Steel PipeStainless Steel PipeStainless Steel Pipe


What is the price of a 20-foot stainless steel pipe?

For stainless steel pipes of the same material and outer diameter, the thicker the wall, the more material is used and the greater the weight, resulting in a higher price. Thin-walled pipes are cheaper, while thick-walled pipes are more expensive. For common 304 stainless steel welded pipes, a 25mm outer diameter and 2mm wall thickness costs approximately $16, a 50mm outer diameter and 3mm wall thickness costs approximately $49, and a 108mm outer diameter and 4mm wall thickness costs approximately $147. These prices are for reference only. Seamless pipes of the same specifications are slightly more expensive than welded pipes. Prices for all types of pipes steadily increase with increasing wall thickness.


What is the service life of stainless steel pipes?

The service life of stainless steel pipes is not fixed and depends mainly on the material grade, usage environment, wall thickness, processing technology, and maintenance. The typical range is from 10 years to over 100 years. Below are specific lifespan data and key influencing factors for different scenarios:


Service Life of Different Materials

Material

Dry indoor environment

Typical outdoor environment

Chlorine-containing environments (e.g., coastal areas)

Highly corrosive environments (chemical/seawater)

201

20-30 years

10-20 years

5-8 years (requires frequent maintenance)

1-3 years (not recommended)

304/304L

50-100 years +

30-50 years

15-30 years

5-15 years

316/316L

70-100 years +

40-60 years

30-50 years +

15-30 years +

321/310S

60-100 years +

40-50 years

25-40 years

20-30 years

2205 Duplex Stainless Steel

70-100 years +

50-70 years +

50 years +

30-50 years +

Stainless Steel PipeStainless Steel PipeStainless Steel Pipe


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2507 ທໍ່ເຊື່ອມສະແຕນເລດ

2507 ທໍ່ເຊື່ອມສະແຕນເລດ

ຜູ້ຜະລິດທໍ່ເຊື່ອມສະແຕນເລດ 2507 ມີສິນຄ້າຄົງຄັງທີ່ກວ້າງຂວາງ, ມີເສັ້ນຜ່າກາງນອກຕັ້ງແຕ່ 16-219 ມມ, ຄວາມຫນາຂອງກໍາແພງຈາກ 0.8-6 ມມ, ແລະຄວາມຍາວມາດຕະຖານ 6 ແມັດ. ຂະ​ຫນາດ​ແລະ​ຄວາມ​ຍາວ​ທີ່​ກໍາ​ນົດ​ໄວ້​ແມ່ນ​ມີ​ຢູ່​ຕາມ​ການ​ຮ້ອງ​ຂໍ​. ການປິ່ນປົວຂັດແລະການຖູແຂ້ວໄດ້ຮັບການສະຫນັບສະຫນູນ. ທໍ່ເຫຼົ່ານີ້ໄດ້ຖືກນໍາໃຊ້ຢ່າງກວ້າງຂວາງໃນ desulfurization ອາຍແກັສ flue, ວິສະວະກໍານ້ໍາທະເລ, ແລະທໍ່ສໍາລັບສານເຄມີ corrosive ຢ່າງຮຸນແຮງ.
2205 ທໍ່ເຊື່ອມສະແຕນເລດ

2205 ທໍ່ເຊື່ອມສະແຕນເລດ

ທໍ່ເຊື່ອມສະແຕນເລດ 2205 ມີຢູ່ໃນເສັ້ນຜ່າກາງນອກ 10-3000mm, ຄວາມຫນາຂອງກໍາແພງ 0.5-30mm, ແລະຄວາມຍາວມາດຕະຖານຂອງ 6m / 12m. ຂະບວນການເຊື່ອມໂລຫະແມ່ນ TIG/MIG ຕົ້ນຕໍ, ດ້ວຍການເກັບເອົາພື້ນຜິວ ແລະ ການເຊື່ອມຕົວ. ວິທີການເຊື່ອມຕໍ່ປະກອບມີການເຊື່ອມໂລຫະແລະ flanges. ການປຸງແຕ່ງທີ່ກໍາຫນົດເອງສາມາດໃຊ້ໄດ້ກັບເວລາການຈັດສົ່ງສັ້ນແລະເຊື່ອຖືໄດ້.
254 ທໍ່ເຊື່ອມສະແຕນເລດ

254 ທໍ່ເຊື່ອມສະແຕນເລດ

254 ທໍ່ເຊື່ອມສະແຕນເລດ, ເປັນທີ່ຮູ້ຈັກທົ່ວໄປເປັນທໍ່ເຊື່ອມ 254SMO, ແມ່ນປະເພດຂອງທໍ່ເຊື່ອມສະແຕນເລດ Super austenitic, ທີ່ສອດຄ້ອງກັນກັບ UNS ເລກ S31254 ແລະຊັ້ນຮຽນຂອງເຢຍລະມັນ 1.4547. ມັນເປັນຂອງ 6-molybdenum super stainless steel series ແລະມີຊື່ສໍາລັບເນື້ອໃນ molybdenum ປະມານ 6%. ມັນບໍ່ແມ່ນເຫລໍກສອງຊັ້ນ, ແຕ່ເປັນເຫຼັກສະແຕນເລດ austenitic ໂລຫະປະສົມສູງ, ມີຄວາມຕ້ານທານສູງຕໍ່ການກັດກ່ອນ, ການກັດກ່ອນຂອງ crevice, ແລະການກັດກ່ອນຄວາມກົດດັນ.
ທໍ່ເຊື່ອມສະແຕນເລດ 309S

ທໍ່ເຊື່ອມສະແຕນເລດ 309S

ທໍ່ 309S ສະແຕນເລດ welded ມີເນື້ອໃນ chromium ແລະ nickel ສູງ, ທົນທານຕໍ່ອຸນຫະພູມສູງທີ່ດີເລີດ, ແລະສາມາດທົນທານຕໍ່ອຸນຫະພູມສູງເຖິງ 1000 ℃ສໍາລັບໄລຍະເວລາຂະຫຍາຍ. ມັນຍັງສະແດງໃຫ້ເຫັນຄວາມຕ້ານທານທີ່ເຂັ້ມແຂງຕໍ່ການຜຸພັງຂອງອຸນຫະພູມສູງແລະຄວາມເຫນື່ອຍລ້າຄວາມຮ້ອນ. ສົມທົບການຕໍ່ຕ້ານ corrosion ແລະ weldability ທີ່ດີ, ມັນບໍ່ມີຄວາມສ່ຽງຕໍ່ການ deformation ແລະ cracking ໃນສະພາບແວດລ້ອມທີ່ມີອຸນຫະພູມສູງ. ຜູ້ຜະລິດທໍ່ welded ສະແຕນເລດຊັ້ນນໍາຂອງຈີນແນະນໍາ 309S ເປັນທາງເລືອກທີ່ເຫມາະສົມສໍາລັບທໍ່ອຸດສາຫະກໍາທີ່ມີອຸນຫະພູມປານກາງແລະສູງເຊັ່ນ: flues ອຸນຫະພູມສູງ, ເຕົາອົບອຸດສາຫະກໍາ, ແລະອຸປະກອນການປິ່ນປົວຄວາມຮ້ອນ.
321 ທໍ່ເຊື່ອມສະແຕນເລດ

321 ທໍ່ເຊື່ອມສະແຕນເລດ

ທໍ່ 321 ສະແຕນເລດ welded ປະກອບດ້ວຍ titanium, ປະສິດທິພາບ inhibiting intergranular corrosion, ເຮັດໃຫ້ມັນມີຄວາມສ່ຽງຫນ້ອຍທີ່ຈະ rust ແລະຮອຍແຕກຫຼັງຈາກການເຊື່ອມ, ແລະສະແດງໃຫ້ເຫັນຄວາມຫມັ້ນຄົງຄວາມຮ້ອນທີ່ດີເລີດ. ມັນມີຄວາມທົນທານຕໍ່ອຸນຫະພູມສູງທີ່ດີ, ບໍ່ຜິດປົກກະຕິພາຍໃຕ້ສະພາບຮ້ອນແລະເຢັນສະຫຼັບ, ມີພລາສຕິກທີ່ດີສໍາລັບການປຸງແຕ່ງແລະກອບເປັນຈໍານວນງ່າຍ, ແລະທົນທານຕໍ່ຄວາມເມື່ອຍລ້າທີ່ເຂັ້ມແຂງ. ຜູ້ຜະລິດທໍ່ເຊື່ອມສະແຕນເລດຂອງຈີນແນະນໍາວັດສະດຸ 321 ເປັນທາງເລືອກທີ່ເຫມາະສົມສໍາລັບທໍ່ຫມໍ້ນ້ໍາ, ອຸປະກອນຄວາມຮ້ອນ, ແລະທໍ່ແລກປ່ຽນຄວາມຮ້ອນທີ່ມີຄວາມຮ້ອນສູງ.
ທໍ່ເຊື່ອມສະແຕນເລດ 310S

ທໍ່ເຊື່ອມສະແຕນເລດ 310S

ປະໂຫຍດຫຼັກຂອງທໍ່ເຊື່ອມສະແຕນເລດ 310S ແມ່ນການຕໍ່ຕ້ານອຸນຫະພູມສູງ, ສາມາດທົນທານຕໍ່ 1150 ℃ແລະທົນທານຕໍ່ໄລຍະສັ້ນ 1200 ℃. ໂຮງງານຜະລິດນະວັດຕະກໍາຊັ້ນນໍາໃນປະເທດຈີນປົກກະຕິແລ້ວສະສົມຂໍ້ມູນສະເພາະດັ່ງຕໍ່ໄປນີ້: ເສັ້ນຜ່າກາງນອກ 16-219mm, ຄວາມຫນາຂອງກໍາແພງ 0.8-5.0mm, ຄວາມຍາວມາດຕະຖານ 6 ແມັດ, ແລະສະຫນັບສະຫນູນຄໍາສັ່ງທີ່ກໍາຫນົດເອງ.
Lingchuang ເປັນຜູ້ຜະລິດ ແລະຜູ້ສະໜອງ ທໍ່ສະແຕນເລດ ມືອາຊີບໃນປະເທດຈີນ. ຍິນດີຕ້ອນຮັບການນໍາເຂົ້າຜະລິດຕະພັນທີ່ມີຄຸນນະພາບຈາກໂຮງງານຂອງພວກເຮົາທີ່ນີ້.
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