SA 335 P91 Seamless Pipe, A335 Gr P91 Chrome Pipe exporter in UAE
A335 P91 Pipe is a stainless steel pipe made up of different material grades but abide by the A335 specification. It is a chrome molly material alloy containing chromium, molybdenum and trace amounts of nickel and manganese. Metallon Pipings FZ LLC is a supplier ASTM A 335 P91 Pipe in large scale. Our customer base is large and we produce the different varieties of pipes in this range. There are different wall thicknesses and nominal sizes of these pipes and as one of the leading SA335 P91 Pipe suppliers we produce them all. The SA335 P91 Material has 9% chromium and 1% molybdenum in its composition.
The SA335 Grade P91 could be cold drawn or cold rolled. There are seamless, ERW, welded and fabricated pipes in this range. As one of the largest SA335 P91 Pipe exporter we produces these pipes in single random, double random and in cut length scales. There are different types of ends such as plain ends, beveled end and treaded ends to the pipes. OurA335 P91 Welded Pipe is good for heavy welding applications. The ASTM A335 P91 Alloy Steel Pipe can also come in different pressure classes and schedules. The applications are of high temperature service. You can always contact us to know more about our products
NACE certified P91 alloy steel welded pipes, ASTM A335 P91 Seamless Pipe, ASME SA 335 Grade P91 Pipe Price in UAE
SA335 P91 Pipes Standard Sizes And Schedule Specifications
| Specialized in | Sizes in Large Diameter |
| OD | 19.05 milimeter – 114.3 milimeter |
| WT | 2.0 milimeter – 14 milimeter |
| Length | maximum 16000 milimeter |
| Form | Square, Hydraulic, Round, Rectangular, Etc. |
| Standard | SA335 P91, ASTM A335 P91 |
| Thickness | From 3 to 12 milimeter |
| Size | From 1/2 NB upto 36 NB |
| Schedule | Schedule 40, 80, 160, XS, XXS |
| Tolerance | Cold rolled pipe: +/-0.05 milimeter Cold drawn pipe: +/-0.1 milimeter |
| Craft | Cold drawn / Cold rolled |
| Type | ERW / Fabricated / Seamless / Welded |
| Length | Double Random, Cut Length, Single Random, . |
| Specialized in | SA335 P91 |
| Additional Testing | NACE TM0177, H2 SERVICE, NACE MR0175, IBR, NACE TM0284, SSC TEST, HIC TEST, etc. |
A335 P91 pipe price list
| Size” | MSL Make | ISMT make | JSL Make |
|---|---|---|---|
| 1/2″ | 5,735.29 | 5,727.94 | 5,742.65 |
| 3/4″ | 5,514.71 | 5,507.35 | 5,522.06 |
| 1″ | 5,367.65 | 5,360.29 | 5,375.00 |
| 1.25″ | 5,323.53 | 5,316.18 | 5,330.88 |
| 1.5″ | 5,220.59 | 5,213.24 | 5,227.94 |
| Price USD/Ton All prices are applicable for SCH 40, SCH 60, SCH 80 & SCH XS | |||
We Export ASTM A335 Gr P91 Welded Pipe across Globe, Check price list of ASME SA335 Grade P91 ERW Pipe, ASME SA335 P91 pipe Supplier
Types Of ASTM A335 P91 Pipe
Most Common ASME SA335 Grade P91 Pipe Type
ASTM A335 P91 seamless pipe :-
The material P91 is especially suited for steam boiler, boiler parts, boiler drum, pressure vessel for the apparatus engineering and similar purposes. It can be used in permanent operation with wall temperatures up to about 590 °C ‘1094 °F+.
SA335 P91 chrome pipe :-
Metallon Pipings FZ LLC is a premier worldwide supplier for all your Chrome Moly Alloy A335 / SA335 Seamless Piping needs. These ASTM S/A 335 Chrome Moly Grade P91 Pipes may be furnished bare or coated and with capped ends.
A335 P91 High Pressure Steel Pipe :-
We are stockholder & suppliers of High pressure P91 Seamless tubes and pipes, mostly used in Power Plants. The products are supplied with 3.1 test certificates, according to EN 10204. Certification according to 3.2 can be agreed at the time of order.
ASTM A335 P91 Boiler Tube :-
Supplying P91 Boiler Pipe & Seamless hot finished tubes and pipes for utility boilers, industrial boilers and heat recovery steam generators. The P91 tubes and pipes are supplied in random lengths or in fixed lengths to be analysed and agreed at time of order, in the range between 4,000 mm and 26,000 mm depending on the size.
Other ASME SA335 P91 Pipe grades
| Tubular Products |
|---|
| Alloy Steel Seamless Pipes & Tubes ASTM A335 Gr P22, Alloy pipe a335 p11, ASTM A335 Gr P5, ASTM A335 Gr P9, ASTM A335 Gr P12 & ASTM A335 Gr P91ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing 4130DIN 17175 Seamless Tubes of Heat-resistant Steels 15Mo3; 13CrMo44; 10CrMo910 EN 10216-2 Seamless steel tubes for pressure purposes Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties 16Mo3; 13CrMo4-5; 10CrMo9-10; 11CrMo9-10; X10CrMoVNb9-1GOST 8732-78 Seamless Hot-worked Steel Pipes 20Ch; 40Ch; 15ChM; 30ChMAGOST 8734-75 Seamless cold-formed steel pipes 20Ch; 40Ch; 15ChMGOST 550-75 Seamless steel tubes for petroleum processing and the petrochemical industry 12ChM; 15Ch5MTU 14-3R-55-2001 Seamless steel pipes for steam boilers and pipelines 12Ch1MF; 12Ch1MF-PV; 15ChMTU 14-3-460-2003 Seamless steel tubes for boilers and pipelines 12Ch1MF; 12Ch1MF-PV; 15ChMGOST 9567-75 Precision steel pipes 20Ch; 15ChMMain material grades: DIN standard carbon & alloy steel tubes St37.0/st52.0/DIN 2391/st35.8/TT St 35N/15Mo3/13CrMo44, 10 CrMo910/X20 CrMoV 12 1/X10 CrMo VNb 9 1/15 Ni CuMoNb 5 EN Standard (EN10216-2) P235GH TC1 &TC2/16Mo3/13CrMo4-5/10CrMo9-10/X20 CrMoV11-1 , X10 CrMoVNb9-1 |
SA335 P91 Pipes Size Chart In Mm
| NB | Size | OD | 40S | 5S | 10S | S10 | S20 | S40 | S60 | XS/80S | S80 | S100 | S120 | S140 | S160 | XXS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | ||
| 1/8 | 10.29 | 1.2 | 1.73 | 2.41 | ||||||||||||
| 1/4 | 13.72 | 1.7 | 2.24 | 3.02 | ||||||||||||
| 3/8 | 17.15 | 1.7 | 2.31 | 3.2 | ||||||||||||
| 15 | 1/2 | 21.34 | 2.8 | 1.7 | 2.1 | 2.77 | 3.73 | 3.73 | 4.78 | 7.47 | ||||||
| 20 | 3/4 | 26.67 | 2.9 | 1.7 | 2.1 | 2.87 | 3.91 | 3.91 | 5.56 | 7.82 | ||||||
| 25 | 1 | 33.4 | 3.4 | 1.7 | 2.8 | 3.38 | 4.55 | 4.55 | 6.35 | 9.09 | ||||||
| 32 | 1 1/4 | 42.16 | 3.6 | 1.7 | 2.8 | 3.56 | 4.85 | 4.85 | 6.35 | 9.7 | ||||||
| 40 | 1 1/2 | 48.26 | 3.7 | 1.7 | 2.8 | 3.68 | 5.08 | 5.08 | 7.14 | 10.2 | ||||||
| 50 | 2 | 60.33 | 3.9 | 1.7 | 2.8 | 3.91 | 5.54 | 5.54 | 9.74 | 11.1 | ||||||
| 65 | 2 1/2 | 73.03 | 5.2 | 2.1 | 3.1 | 5.16 | 7.01 | 7.01 | 9.53 | 14 | ||||||
| 80 | 3 | 88.9 | 5.5 | 2.1 | 3.1 | 5.49 | 7.62 | 7.62 | 11.1 | 15.2 | ||||||
| 90 | 3 1/2 | 101.6 | 5.7 | 2.1 | 3.1 | 5.74 | 8.08 | 8.08 | ||||||||
| 100 | 4 | 114.3 | 6 | 2.1 | 3.1 | 6.02 | 8.56 | 8.56 | 11.1 | 13.5 | 17.1 | |||||
| 125 | 5 | 141.3 | 6.6 | 2.8 | 3.4 | 6.55 | 9.53 | 9.53 | 12.7 | 15.9 | 19.1 | |||||
| 150 | 6 | 168.3 | 7.1 | 2.8 | 3.4 | 7.11 | 10.97 | 11 | 14.3 | 18.3 | 22 | |||||
| 200 | 8 | 219.1 | 8.2 | 2.8 | 3.8 | 6.4 | 8.18 | 10.3 | 12.7 | 12.7 | 15.1 | 19.3 | 20.6 | 23 | 22.2 | |
| 250 | 10 | 273.1 | 9.3 | 3.4 | 4.2 | 6.4 | 9.27 | 12.7 | 12.7 | 15.1 | 19.3 | 21.4 | 25.4 | 28.6 | 25.4 | |
| 300 | 12 | 323.9 | 9.5 | 4 | 4.6 | 6.4 | 10.3 | 14.3 | 12.7 | 17.5 | 21.4 | 25.4 | 28.6 | 33.3 | 25.4 | |
| 350 | 14 | 355.6 | 9.5 | 4 | 4.8 | 6.4 | 7.9 | 11.1 | 15.1 | 12.7 | 19.1 | 23.8 | 27.8 | 31.8 | 35.7 | |
| 400 | 16 | 406.4 | 9.5 | 4.2 | 4.8 | 6.4 | 7.9 | 12.7 | 16.7 | 12.7 | 21.4 | 26.2 | 31 | 36.5 | 40.5 | |
| 450 | 18 | 457.2 | 9.5 | 4.2 | 4.8 | 6.4 | 7.9 | 14.3 | 19.1 | 12.7 | 23.8 | 29.4 | 34.9 | 39.7 | 45.2 | |
| 500 | 20 | 508 | 9.5 | 4.8 | 5.5 | 6.4 | 9.5 | 15.1 | 20.6 | 12.7 | 26.2 | 32.5 | 38.1 | 44.5 | 50 | |
| 550 | 22 | 558.8 | 9.5 | 4.8 | 5.5 | 6.4 | 9.5 | 22.2 | 12.7 | 28.6 | 34.9 | 41.3 | 47.6 | 54 | ||
| 600 | 24 | 609.6 | 9.5 | 5.5 | 6.4 | 6.4 | 9.5 | 17.5 | 24.6 | 12.7 | 31 | 38.9 | 46 | 52.4 | 59.5 | |
| 650 | 26 | 660.4 | 9.5 | 7.9 | 13 | 12.7 | ||||||||||
| 700 | 28 | 711.2 | 9.5 | 7.9 | 13 | 12.7 | ||||||||||
| 750 | 30 | 762 | 9.5 | 6.4 | 7.9 | 7.9 | 13 | 12.7 | ||||||||
| 800 | 32 | 812.8 | 9.5 | 7.9 | 13 | 17.5 | 12.7 | |||||||||
| 850 | 34 | 863.6 | 9.5 | 7.9 | 13 | 17.5 | 12.7 | |||||||||
| 900 | 36 | 914.4 | 9.5 | 7.9 | 13 | 19.1 | 12.7 |
ASME SA335 Grade P91 Pipe Elongation Requirements
| Calculated Minimum Elongation Values | ||||
| Elongation in 2 in. or 50 mm, min % | ||||
| Wall Thickness | P5, P9, P11, P22 | P91 | ||
| in. | mm | Longitudinal | Transverse | Longitudinal |
| 5/16 (0.312) | 8 | 30 | 20 | 20 |
| 9/32 (0.281) | 7.2 | 28 | 19 | 19 |
| 1/4 (0.250) | 6.4 | 27 | 18 | 18 |
| 7/32 (0.219) | 5.6 | 26 | 17 | |
| 3/16 (0.188) | 4.8 | 24 | 16 | |
| 5/32 (0.156) | 4 | 22 | 15 | |
| 7/8 (0.125) | 3.2 | 21 | 14 | |
| 3/32 (0.094) | 2.4 | 20 | 13 | |
| 1/18 (0.062) | 1.6 | 18 | 12 | |
P91 steel pipes material, P91 Seamless Ferritic Alloy-Steel Pipe, SA 335 gr P91 alloy steel welded pipes exporter in UAE, Check ASME SA335 Grade P91 Alloy Steel Seamless Pipe Dimension Chart
ASTM A335 P91 NACE MR0175 Pipe Standards
| Standard | Steel grade | Yield strengthM P a | Tensile M Pa | Elongation Min (vertical bar specimen )% ① | Elongation Min (round bar specimens )% | Squash | |
| ASTM A335/A335M-03 “high temperature ferritic alloy steel seamless” | P1, P2 | ≥ 205 | ≥ 380 | 30 | 22 | H | |
| P12 | ≥ 220 | ≥ 415 | 30 | 22 | H | ||
| P23 | ≥ 400 | ≥ 510 | 20 | 20 | H | ||
| P91 | ≥ 415 | ≥ 585 | 20 | 20 | H | ||
| Other | ≥ 205 | ≥ 415 | 30 | 22 | H | ||
| Note: ① using the vertical bar specimens, the wall thickness of less than 8mm, each reduction 0.8mm, P23, P91 should subtract the base elongation of 1.0%, 1.5%, minus all other grades. | |||||||
| Standard | Steel grade | Yield strengthM P a | Tensile M Pa | Elongation% | Squash | ||
| ASTM A500-2001 “Structural carbon steel cold-formed and shaped circular cross-section welded steel pipe and seamless steel pipe.” | Grade A | ≥ 228 | ≥ 310 | ≥ 25 | H | ||
| Grade B | ≥ 290 | ≥ 400 | ≥ 23 | H | |||
| Grade C | ≥ 317 | ≥ 427 | ≥ 21 | H | |||
| Grade D | ≥ 250 | ≥ 400 | ≥ 23 | H | |||
| Standard | Steel grade | Yield strengthM P a | Tensile M Pa | Elongation% | Squash | Flaring | |
| ASTM A556M-96 “water heater with carbon steel cold drawn seamless steel tubes.” | A2 | ≥ 180 | ≥ 320 | ≥ 35 | H | H | |
| B2 | ≥ 260 | ≥ 410 | ≥ 30 | H | H | ||
| C2 | ≥ 280 | ≥ 480 | ≥ 30 | H | H | ||
| Standard | Steel grade | Yield strength | Tensile strength | Elongation (%) ① | |||
| JIS G 3473-1988 “Carbon steel cylinder” | STC370 | ≥ 215 | ≥ 370 | ≥ 30 | Note: ① thickness <8mm pipe, elongation is reduced by the minimum thickness at 1mm, to subtract the elongation of 1.5%. | ||
| STC440 | ≥ 305 | ≥ 440 | ≥ 10 | ||||
| STC510A | ≥ 380 | ≥ 510 | ≥ 10 | ||||
| STC510B | ≥ 380 | ≥ 510 | ≥ 15 | ||||
| STC540 | ≥ 390 | ≥ 540 | ≥ 20 | ||||
| STC590A | ≥ 490 | ≥ 590 | ≥ 10 | ||||
| STC590B | ≥ 490 | ≥ 590 | ≥ 15 | ||||
| Standard | Steel grade | Yield strengthM P a | Tensile M Pa | Elongation %① | Squash | ||
| JIS G 3467-1988 “furnace with steel.” | STF410 | ≥ 245 | ≥ 410 | ≥ 24 | 0.08 | Note: ① using vertical bar specimens, the wall thickness of less than 8mm, each reduced 1mm, from the basic minimum elongation shall be subtracted 1.5%. | |
| STFA12 | ≥ 205 | ≥ 380 | ≥ 24 | ||||
| STFA22 | ≥ 205 | ≥ 410 | ≥ 24 | ||||
| STFA23 | ≥ 205 | ≥ 410 | ≥ 24 | ||||
| STFA24 | ≥ 205 | ≥ 410 | ≥ 24 | ||||
| STFA25 | ≥ 205 | ≥ 410 | ≥ 24 | ||||
| STFA26 | ≥ 205 | ≥ 410 | ≥ 24 | ||||
| Standard | Steel grade | Yield strengthM P a | Tensile M Pa | Elongation %① | Squash | ||
| JIS G 3462-1988 “boilers, heat exchangers used in steel pipe.” | STBA12 | ≥ 205 | ≥ 380 | ≥ 30 | 0.08 | ||
| Other | ≥ 205 | ≥ 410 | ≥ 30 | ||||
| Note: ① using vertical bar specimens, the wall thickness of less than 8mm, each reduced 1mm, from the basic minimum elongation shall be subtracted 1.5%. | |||||||
| Standard | Steel grade | Wall thickness mm | Yield strength M Pa | Tensile M Pa | Elongation% ① | Flattening / Flaring | |
| JIS G 3461-1988 “boilers, heat exchangers used in carbon steel.” | STB340 | ≥ 8 | ≥ 175 | ≥ 340 | ≥ 35 | H | |
| STB410 | ≥ 8 | ≥ 255 | ≥ 410 | ≥ 25 | H | ||
| STB510 | ≥ 8 | ≥ 295 | ≥ 510 | ≥ 25 | H | ||
| Note: ① using vertical bar specimens, the wall thickness of less than 8mm, each reduced 1mm, from the basic minimum elongation shall be subtracted 1.5%. | |||||||
| Standard | Steel grade | Yield strengthM P a | Tensile M Pa | Elongation (vertical bar specimen ) %① | Elongation ( round bar specimens )% | Squash | Note: ① using vertical bar specimens, the wall thickness of less than 8mm, each reduced 1mm, from the basic minimum elongation shall be subtracted 1.5%. |
| JIS G 3456-1988 “high carbon steel pipes.” | STPT370 | ≥ 215 | ≥ 370 | ≥ 30 | ≥ 28 | 0.08 | |
| STPT410 | ≥ 245 | ≥ 410 | ≥ 2 5 | ≥ 24 | 0.07 | ||
| STPT480 | ≥ 275 | ≥ 480 | ≥ 2 5 | ≥ 22 | |||
| Standard | Steel grade | Yield strength | Tensile strength | Elongation ( tube sections and longitudinal strips sample) % ① | Elongation (round bar specimens )% | Squashed or bent | |
| JIS G 3455-1988 “high carbon steel pipes.” | STS370 | ≥ 215 | ≥ 370 | ≥ 30 | ≥ 28 | H | |
| STS410 | ≥ 245 | ≥ 410 | ≥ 25 | ≥ 24 | H | ||
| STS480 | ≥ 275 | ≥ 480 | ≥ 25 | ≥ 22 | H | ||
| Note: ① using vertical bar specimens, the wall thickness of less than 8mm, each reduced 1mm, from the basic minimum elongation shall be subtracted 1.5%. | |||||||
| Standard | Steel grade | Yield strengthM P a | Tensile M Pa | Elongation ( vertical bar specimen )% ① | Elongation ( round bar specimens )% | Squash | |
| JIS G 3454-1988 “pressure pipes carbon steel pipe.” | STPG370 | ≥ 215 | ≥ 370 | ≥ 30 | ≥ 28 | 0.08 | |
| STPG410 | ≥ 245 | ≥ 410 | ≥ 2 5 | ≥ 24 | 0.07 | ||
| Note: ① using vertical bar specimens, the wall thickness of less than 8mm, each reduced 1mm, from the basic minimum elongation shall be subtracted 1.5%. | |||||||
UNS K91560 Pipe Surface Finish
Surface Finishes: Bare, Oiled, Mill Varnish, Galv, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Wrap.
End Finishes: Beveled, Square Cut, Threaded & Coupled.
ASTM A335 P91 Chrome Pipe Composition Comparison
| Grade | UNS | C≤ | Mn | P≤ | S≤ | Si≤ | Cr | Mo |
| P1 | K11522 | 0.10~0.20 | 0.30~0.80 | 0.025 | 0.025 | 0.10~0.50 | – | 0.44~0.65 |
| P2 | K11547 | 0.10~0.20 | 0.30~0.61 | 0.025 | 0.025 | 0.10~0.30 | 0.50~0.81 | 0.44~0.65 |
| P5 | K41545 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 4.00~6.00 | 0.44~0.65 |
| P5b | K51545 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.00~2.00 | 4.00~6.00 | 0.44~0.65 |
| P5c | K41245 | 0.12 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 4.00~6.00 | 0.44~0.65 |
| P9 | S50400 | 0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50~1.00 | 8.00~10.00 | 0.44~0.65 |
| P11 | K11597 | 0.05~0.15 | 0.30~0.61 | 0.025 | 0.025 | 0.50~1.00 | 1.00~1.50 | 0.44~0.65 |
| P12 | K11562 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 0.80~1.25 | 0.44~0.65 |
| P15 | K11578 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 1.15~1.65 | – | 0.44~0.65 |
| P21 | K31545 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 2.65~3.35 | 0.80~1.60 |
| P22 | K21590 | 0.05~0.15 | 0.30~0.60 | 0.025 | 0.025 | 0.50 | 1.90~2.60 | 0.87~1.13 |
| P91 | K91560 | 0.08~0.12 | 0.30~0.60 | 0.020 | 0.010 | 0.20~0.50 | 8.00~9.50 | 0.85~1.05 |
| P92 | K92460 | 0.07~0.13 | 0.30~0.60 | 0.020 | 0.010 | 0.50 | 8.50~9.50 | 0.30~0.60 |
Preferred distributors of ASTM A335 P91 Pipe, A335 Chrome Moly Alloy Pipe Gr. P91, Well Known Alloy Steel P91 Hexagonal Pipe Supplier in UAE, SA335 P91 Pipe Supplier, Get Free Sample of P91 Alloy Steel Seamless Pipe, P91 Heat exchanger Tubes
A335 Gr P91 Pipes Composition Standard
| Si, % | Cr, % | C, % | Mo, % | Mn, % | P, % | N, % | S, % | V, % | Ni, % | Nb, % | Al, % |
| 0.2 to 0.5 | 8.0 to 9.5 | 0.08 to 0.12 | 0.85 to 1.05 | 0.3 to 0.6 | 0.02 | 0.03 to 0.07 | 0.01 | 0.18 to 0.25 | 0.4 | 0.06 to 0.10 | 0.04 |
ASTM A335 P91 Pipes Mechanical Strength Table
| Elongational | Tensile Properties | HB | Yield Properties |
| 20 | 585 | 250 | 415 |
Equivalent Material Grade Of SA335 Gr P91 Pipes
| UNS | ASTM | Equivalent material | ASME |
|---|---|---|---|
| K91560 | A335 P91 | K90901, T91, 1.4903, X10CrMoVNb9-1 | SA335 P 91 |
P91 NACE MR0175 Pipe Specialization
Metallon Pipings FZ LLC company is India’s leading suppliers & exporter of Alloy Steel Pipes & Tubes. ANSI B 36.10, Alloy Steel GR. P22 Seamless Round, Square, Rectangular, Hydraulic Pipes Suppliers in UAE. We have specialization in ASTM A335 Gr P91 Seamless Tubes and Pipes for Power Plants | ASTM A335 Gr P91 Seamless hot finished tubes and pipes for utility boilers, industrial boilers and heat recovery steam generators | ASTM A335 Gr P91 Cold drawn seamless tubes for heat exchangers and boilers
We have supplied ASTM A335/ASME SA335 P91 NACE Alloy Steel Pipe to 280+ companies from Oil & Gas Industry, Petrochemical, Offshore & Onshore Projects, Rigs, Chemical & Fertilizer companies in more than 80 countries.
ASME SA335 P91 Seamless Pipe Mechanical Tests
| Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test | |
| For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested. | |
| For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe. | |
| Notes for Hardness Test: | P91 shall not have a hardness not exceeding 250 HB/265 HV [25HRC]. |
| Notes for Bend Test: | For pipe whose diameter exceeds NPS 25 and whose diameter to wall thickness ratio is 7.0 or less shall be subjected to the bend test instead of the flattening test. |
| Other pipe whose diameter equals or exceeds NPS 10 may be given the bend test in place of the flattening test subject to the approval of the purchaser. | |
| The bend test specimens shall be bent at room temperature through 180 without cracking on the outside of the bent portion. | |
| The inside diameter of the bend shall be 1 inch [25 mm]. | |
| Hydrostatic Test | Each length of pipe shall be Hydro tested, at option of manufacture nondestructive electric testing can be used. |
Ready Stock of ASTM A335 Gr P91 Pipe
| Implementation of standards | Specification | Quantity |
|---|---|---|
| GB5310-2008 | 426 * 18 | 3 |
| ASTMA335-95a | 426 * 18 | 2 |
| GB5310-2008 | 426 * 16 | 3 |
| ASTMA335-95a | 426 * 14.2 | 3 |
| GB5310-2008 | 426 * 14 | 3 |
| GB5310-2008 | 426 * 13 | 2 |
| GB5310-2008 | 426 * 13 | 5 |
| GB5310-2008 | 426 * 12 | 2 |
| ASTMA335-95a | 426 * 12 | 5 |
| ASTMA335-95a | 426 * 11 | 5 |
| GB5310-2008 | 426 * 11 | 3 |
| ASTMA335-95a | 426 * 10 | 5 |
| ASTMA335-95a | 406.4 * 80 | 3 |
| GB5310-2008 | 406.4 * 65 | 3 |
| ASTMA335-95a | 406.4 * 50 | 3 |
| GB5310-2008 | 406.4 * 50 | 5 |
| GB5310-2008 | 406.4 * 45 | 2 |
| GB5310-2008 | 406.4 * 40 | 3 |
| GB5310-2008 | 406.4 * 32 | 1 |
SA335 P91 Material Packaging & Shipping
ASTM A335 Gr. P91 Steel Pipes may be furnished bare or coated and with capped ends. Tubes and pipes up to 3” OD will be supplied in bundles. In order to prevent rust during sea shipment, bundles of ASTM A335 Gr. P91 tubes may be wrapped with polypropylene sheets, and secured with flat steel bands. Over 3” OD will be supplied loose.
Stock of following exporter of A335 P91 Welded Pipe
