| 材料 | 254 SMo，1.4547， UNS 31254 ，1.4529， Z1 CNDU 20.18.06AZ | 规格 | ASTM A269， A213， A312， NFA 49-217， EN 10216-5 |
|---|---|---|---|
| 诺索克 | Norsok MDS R11/R18， IOGP S-563 MDS IR111/111S/IR118/IR118S | 测试： | 涡流测试 ， 流体静力学测试 ， UT ， PT |
| 应用： | 化工，热交换器，锅炉，近海，平台，海底 | ||
| 强光 | Offshore Duplex Stainless Steel Pipes， SCH10 Super Duplex Stainless Steel Pipes， ASTM A312 Super Duplex Pipes | ||
ASTM A312 UNS S31254 SUS312L 海洋工程用超级双相不锈钢管
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关于
A312 UNS S31254 is a specification for seamless， welded， and heavily cold worked austenitic stainless steel pipes. It is commonly known as 6% Moly or 254 SMO (Super Austenitic Stainless Steel). This alloy offers excellent resistance to pitting， crevice corrosion， and general corrosion in various aggressive environments， including chloride-containing media. A312 UNS S31254 pipes are widely used in industries such as chemical processing， oil and gas， pulp and paper， and desalination plants， where corrosion resistance is of utmost importance. These pipes are available in different sizes and schedules to meet specific project requirements.
化学成分 %
| C | Cr | 铜 | 锰 | 莫 | N | 倪 | P | Si | S |
| 最大 | 最大 | 最大 | 最大 | 最大 | |||||
| 0.02 | 19.5-20.5 | 0.5-1.0 | 1.0 | 6.0-6.5 | 0.18-0.22 | 17.5-18.5 | 0.03 | 0.80 | 1.01 |
Feature of A312 S31254
1. Corrosion Resistance: A312 UNS S31254 exhibit exceptional resistance to corrosion in various aggressive environments， including chloride-containing media. This makes them suitable for use in industries such as chemical processing， oil and gas， pulp and paper， and desalination plants.
2. High Strength: These offer high strength and toughness， allowing them to withstand demanding operating conditions.
3. Excellent Weldability: A312 UNS S31254 have excellent weldability， enabling easy and efficient joining with other components or pipes.
4. Superior Crevice and Pitting Corrosion Resistance: The alloy composition of A312 UNS S31254 provides enhanced resistance to crevice and pitting corrosion， making it suitable for applications where these types of corrosion are a concern.
5. Wide Range of Sizes: A312 UNS S31254 are available in a wide range of sizes， allowing for flexibility in design and installation.
6. Compliance with Standards: These conform to the specifications outlined in ASTM A312， ensuring quality and consistency in their manufacturing.
Aplication
- 海水处理设备；热交换器，冷却水管道
- 纸浆厂漂白系统；转鼓、大桶和压榨辊。
- 妥尔油蒸馏塔和设备
- 化学加工设备
- 食品加工设备
- 海水淡化设备
- 烟气脱硫洗涤器
- 石油和天然气生产设备
- 各种高卤化物化学品的储罐和管道
