| 材料 | 双相不锈钢 | 产品 | |
|---|---|---|---|
| 标准： | ASTM A790 / ASME SA790 | 年级 | S32750 |
| 申请： | 一般事务人员 | 长度 | 或根据需要 |
| 证书 | ISO9001-2008，API 5L，API 5CT，等等。 | 包装细节： | Ply-wooden Case /Woven Bag In Bundle |
ASTM A790 S32750 SMLS Super Duplex Steel Pipes Tuberias
TONG CHUANG Group， a factory offers ASME SA790 / ASTM A790 S32750 SMLS duplex stainless steel pipes and we sell these pipes with high quality in many years.
ASTM A790/ ASME SA790 本规范涵盖用于一般腐蚀性工况的无缝和直缝焊接铁素体/奥氏体钢管，特别强调耐应力腐蚀开裂。如果长期在高温下使用，这些钢材容易发生脆化。
Chemical Composition % S32750 MAX
| C | 锰 | P | S | Si | 倪 | Cr | 莫 | N | 铜 |
| 0.03 | 1.2 | 0.035 | 0.02 | 0.8 | 6-8 | 24-26 | 3-5 | 0.24-0.32 | 0.5 |
S32750 has excellent resistance to corrosion， especially in harsh environments such as seawater and chemical processing industries. This makes it a suitable choice for applications in oil and gas， desalination plants， and offshore drilling.This material has a higher strength compared to conventional stainless steels. This allows for the use of thinner tubes， reducing weight and material costs while maintaining structural integrity.
拉伸要求
| 等级 | 屈服强度（兆帕） | 拉伸强度（兆帕） | 伸长率 (%) |
| S32750 | 550 | 800 | 15 分钟 |
Besides，S32750 offers good weldability， allowing for easy fabrication and installation of tubes without compromising their performance. This makes it a viable option for various construction projects.The duplex structure of S32750 provides a unique combination of high strength and excellent corrosion resistance. This makes A790 S32750 tubes suitable for use in aggressive environments where both properties are required.
Despite its superior properties， S32750 is a cost-effective solution compared to other corrosion-resistant alloys. The reduced maintenance and long-term durability of A790 S32750 tubes provide cost savings over the product's lifespan.
In summary， A790 S32750 tubes offer numerous advantages due to the material's corrosion resistance， high strength， weldability， and cost-effectiveness. These properties make them an ideal choice for applications that require durability and reliability in challenging environments.
热处理
| UNS | 热处理温度 | 淬火 |
| S32750 | 1880-2060°F [1025-1125°C] | 在空气或水中快速冷却 |
需要测试
化学分析/机械性能/ 硬度测试/ 扁平化测试/ 张力测试/扩口测试
晶间腐蚀测试/静水压或无损电气测试/超声波测试等
硬度要求
| HBW | HRC |
| 300 max | 32max |
应用
A790 S32750 tubes are made from the material known as S32750， which is a super duplex stainless steel. These tubes are used in various applications where corrosion resistance and high strength are required.
石油和天然气
化学加工
海水淡化厂
海水设备
纸浆和造纸工业
冷凝器、锅炉和热交换器
食品加工-制盐等。
能源领域--核能发电、潮汐发电等
环保领域--气体处理、废水处理等。
