ASTM A234 GR. WP91 Elbow A234 WP91 Pipe Fittings,Elbow,Tee,Reducer,
ASTM A234 WP91 Pipe fitting
We are a professional ASTM A234 WP91 Pipe fitting 90 Deg Elbow LR SR, 45Deg Elbow manufacturer in China
Based on our deep and professional expereince,and as one of the most professional chrome moly manufacturer in china ,we can produce high quality Chrome Moly Alloy steel pipe fittings,A234 WP91 Pipe fittings.WP91 is one of the steel grade in ASTM A234,which is made of A335 P91 Pipes,W means weldable,P means pressure,91 is grade 91. While Digital 9 is referring to the Cr content 8-9.5%.
A234 WP91 pipe fittings are produced from A335 P91 Seamless pipes,and it connects with A182 F91 Flange,and A335 P91 Pipes in the pipeline connections.
| Alloy Steel A234 WP91 Buttweld Fittings | A234 WP91 Buttweld Fittings |
| 9Cr-1Mo-V-Nb Pipe Fittings | Alloy Steel A234 WP91 Reducers |
| A234 WP91 Buttweld Pipe Fittings | A234 WP91 Alloy Steel Pipe Bend |
| ASTM A234 WP91 Butt weld Fittings | Alloy Steel ASTM A234 WP91 Fittings |
| Alloy Steel A234 WP91 butt weld elbow | ASME B16.9 AS WP91 Buttweld 90° Elbow |
| Alloy Steel WP91 Pipe Elbow Manufacturer | A234 WP91 Butt weld Elbows |
| A234 WP91 Alloy Steel Concentric Reducers | A234 WP91 Equal Tee |
| ASTM A234 Alloy Steel WP91 Eccentric Reducer | A234 Alloy Steel WP91 Short Radius Elbow |
| WP91 Alloy Steel Seamless Pipe Fittings | ANSI B16.9 WP91 Butt weld Fittings |
| ASME SA234 Alloy WP91 Buttweld Equal Tee | Alloy Steel A234 WP91 seamless Pipe Fittings |
| Wrought Alloy Steel WP91 Piping Fittings | Alloy Steel WP91 Long Radius Elbow Stockiest |
| A234 Alloy Steel WP91 End Pipe Cap Exporter | ASTM A234M Alloy Steel WP91 Fittings |
ASTM A234 WP91 3D Pipe bend,
ASTM A234 WP91 5D Pipe bend,
China ASTM A234 WP91 Pipe fitting
ASME B16.9 A234 WP91 Pipe fittings dimension
A234 WP91 is one of the steel grade in ASTM A234 standard.W means weldable,P means pressure,91 is grade 91.the starting material is ASTM A335 Gr P91 Seamless pipes,widely used for POWER PLANT FABRICATION,Chemical & Fertilizers, Power Generation and Nuclear Industries.
According to the standard Astm A234 A234M 2018 latest edition,
There are type 1 and type 2 in A234 WP91 grade.
We can provide Bevel end according to ASME B16.25 Buttwelding Ends
Figure 2(a)Figure 3(a) Figure 3(a),Figure 3(C)
This Standard covers the preparation of buttwelding ends of piping components to be joined into a piping system by welding. It includes requirements for welding bevels, for external and internal shaping of heavy-wall components, and for preparation of internal ends (including dimensions and tolerances). Coverage includes preparation for joints with the following: no backing rings; split or noncontinuous backing rings; solid or continuous backing rings; consumable insert rings; gas tungsten arc welding (GTAW) of the root pass.
Chemical Composition of ASTM A234 WP91 Pipe fittings:
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni |
| A234 WP91 | 0.08-0.12 | 0.3-0.6 | ≤0.02 | ≤0.01 | 0.2-0.5 | 8-9.5 | 0.85-1.05 | ≤0.4 |
Mechanical properties of ASTM A234 WP91 Pipe fittings:
| Item | Tensile Strength KSI(MPa) | Yield Strength KSI(MPa) |
| A234 WP91 | 85-110(585-760) | ≥60(415) |
ASTM A234 WP91 Heat Treatment
Except when Supplementary Requirement S1 is specified by the purchaser, Grade WP91 Type 1 and Type 2 shall benormalized at 1900 °F [1040 °C] minimum, and 1975 °F [1080°C] maximum, and tempered in the temperature range of 1350°F [730 °C] to 1470 °F [800 °C] as a final heat treatment. 7.3.6
ASTM A234 WP91 Hardness
All fittings of Grade WP91 Type 1 and Type 2 shall be hardness tested and shall have a hardness of 190 HBW-250 HBW.
Material:
Alloy Steel: ASTM A234 / WP5/ WP9/ WP11/ WP22/ WP91
Stainless Steel: ASTM A403 WP 304/ 304L/ 304H/ 316/ 316L/ 317/ 317L/ 321/ 310/ 347/ 904L/ etc.
Carbon Steel: ASTM A234 WPB / A420 WPL3/ A420 WPL6/ MSS-SP-75 WPHY 42/46/52/56/60/65/70 etc.
SIZES:
1/2″ N. B. TO 24″ N. B. Seamless Pipe Fittings(BW)
1/2″ N. B. TO 72″ N. B. Welded BW
Marking:Standard/ As per request
Packing: Wooden case(Fumigation free) Or as per request
Inspection: In house and third party
Document: MTC EN10204-3.1 can be provided prior to shipment
OUR MAIN EXPORT COUNTRIES
- ASIA – Thailand, Singapore, Vietnam, South Korea
- Middle East – Kuwait, Dubai, Saudi Arabia, Yemen, Qatar,Oman, Bahrain, Jordan
- Europe – United Kingdom, Italy, Belgium,
- South America – Argentina, Chile, Brazil, Colombia, Venezuela,
- Africa – Nigeria, South Africa,Sudan,Libya
How to order the ASTM A234 WP 91 Pipe fittings?
Example#1，ELBOW ASTM A234 WP 91 type 2 , 90 DEG, SMLS BW Sch160 MM , 12 INCH
Example#2 ,ASTM A234 WP91 90 Degree Elbow,LR 8 Inch, SCH 160,
Example#3, ASTM A234 WP91 90 Deg. Elbow SR, Seamless, 6 Inch SchXXS
