| 规格 | ASTM A403 | 年级 | WPS31254 |
|---|---|---|---|
| 类型 | LR，SR，45/90/180 度弯头 | 时间安排 | SCH20， SCH30， SCH40， STD， SCH80， XS， SCH60， SCH80， SCH120， SCH140， SCH160， XXS |
| 强光 | 90 Degree Pipe Elbow， Duplex Steel SR Elbow， Steel 90 Degree LR Elbow | ||
Buttweld Fitting ASTM A403 WPS31254 254SMO 90 Deg LR Elbow B16.9
What material is WPS31254?
This material is a superaustenitic stainless steel. Its corrosion resistance is higher than the duplex grades because its alloy content is higher. It has a high PREN (pitting resistance equivalency number) for superior resistance to chloride pitting and stress corrosion cracking.
SMO 254 Pipe Fittings covers the standard for wrought austenitic stainless steel fittings for pressure piping applications. The material for fittings shall consist of forgings， bars， plates， or seamless or welded tubular products. Forging or shaping operations shall be performed by hammering， pressing， piercing， extruding， upsetting， rolling， bending， fusion welding， machining， or by a combination of two or more of these operations. All fittings shall undergo heat-treatment.
The alloy which we are using is suitable for use in any crucial applications and processing industries， and many more. We are manufacturing these 254 SMO Pipe Fittings by using the superior quality of grade material. It can be applied smoothly， even in robust industrial applications. Our professionals are always making use of the latest technology and modern tools for the fabrication of excellent quality of SMO pipe fittings.
WPS31254 Chemical Composition
| 等级 | C | 倪 | Si | N | S | 锰 | P | Cr | Ce | 铁 | |
| SS 254 SMO | 分钟 | – | 17.5 | – | 0.18 | – | – | – | 19.5 | 0.03 | 平衡 |
| 最大 | 0.02 | 18.5 | 0.08 | 0.22 | 0.01 | 1.00 | 0.03 | 20.5 | 0.08 | ||
WPS31254 Equivalent Grades
| 标准 | UNS | WERKSTOFF NR. | EN |
| 254 SMO | S31254 | 1.4547 | X1CrNiMoCuN20-18-7 |
ASTM A403 WPS31254 Fitting Mechanical Properties
| 等级 | 最小拉伸强度（兆帕 | 伸长率（%，50 毫米）最小值 | 屈服强度 0.2% 抗压强度（兆帕） min | 硬度 | |
| 洛氏 B (HR B) 最大值 | 最大布氏硬度 (HB) | ||||
| 254 SMO | 650 | 35 | 300 | 50 | 70 |
Mechanical Properties of ASTM A403 WPS31254 Buttwelded Fittings
| 密度 | 熔点 | 拉伸强度 | 屈服强度（0.2%Offset） | 伸长率 |
| 8.0 克/立方厘米 | 1454°C (2650°F) | Psi - 75000 , MPa - 515 | Psi - 30000 , MPa - 205 | 35 % |
ASTM A403 Stainless Steel Elbows and Returns Size Chart
| 名义 管材 尺寸 | 室外 直径 | 90° 弯头 | 45° 弯头 | 180° 返回 | ||||
|---|---|---|---|---|---|---|---|---|
英寸 | 长半径 | 短半径 | 长半径 | 长半径 | ||||
(毫米) | 英寸 | 中心至脸部 英寸 | 中心至脸部 英寸 | 中心至脸部 英寸 | 半径 英寸 | 中心到中心 英寸 | 返回脸部 英寸 | |
1/2 | 21.3 | 0.840 | 1 1/2 | - | 5/8 | 2 | 1 7/8 | |
3/4 | 26.7 | 1.050 | 1 1/8 | - | 7/16 | 2 1/4 | 1 11/16 | |
1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
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