25MnG High Pressure Boiler Steel Pipe
25MnG High Pressure Boiler Steel Pipe is a type of steel pipe used in high-pressure boiler applications.
| Grade | C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
|---|---|---|---|---|---|---|---|
| P15 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| Grade | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
|---|---|---|---|
| P15 | 415 min | 205 min | 30 min |
|
Outside Diameter |
OD Tolerance |
WT Tolerance |
Ovality Tolerance |
Cut Length Tolerance |
|---|---|---|---|---|
|
OD≤ 12, 7 mm |
± 0, 13 mm |
± 15 % |
– |
+ 3, 18 mm, – 0 mm |
|
12, 7 mm < OD ≤ 38, 1 mm |
± 0, 13 mm |
± 10 % |
max, 1, 65 mm |
+ 3, 18 mm, – 0 mm |
|
38, 1 mm < OD ≤ 88, 9 mm |
± 0, 25 mm |
± 10 % |
max, 2, 41 mm |
+ 4, 76 mm, – 0 mm |
|
Trade Name |
Grade |
UNS # |
Pipe |
Forged / Bored Pipe * |
|---|---|---|---|---|
|
1 1/4 Chrome |
P11 |
K11597 |
A335 / SA335 |
A369 / SA369 |
|
2 1/4 Chrome |
P22 |
K21590 |
A335 / SA335 |
A369 / SA369 |
|
5 Chrome |
P15 |
K41545 |
A335 / SA335 |
A369 / SA369 |
|
9 Chrome |
P9 |
S50400 |
A335 / SA335 |
A369 / SA369 |
|
P91 |
P91 |
K91560 |
A335 / SA335 |
A369 / SA369 |
|
P92 |
P92 |
K92460 |
A335 / SA335 |
A369 / SA369 |
| ASTM A335 P15 Pipe / ASME SA335 P15 Alloy Steel Pipe Outside Diameter & Tolerance |
|---|
| ASTM A335 P15 Pipe / ASME SA335 P15 Alloy Steel Pipe | Hot rolled | Outside Diameter, mm | Tolerance, mm |
| OD≤101.6 | +0.4/-0.8 | ||
| 101.6＜OD≤190.5 | +0.4/-1.2 | ||
| 190.5＜OD≤228.6 | +0.4/-1.6 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, mm | |
| OD＜25.4 | ±0.10 | ||
| 25.4≤OD≤38.1 | ±0.15 | ||
| 38.1＜OD＜50.8 | ±0.20 | ||
| 50.8≤OD＜63.5 | ±0.25 | ||
| 63.5≤OD＜76.2 | ±0.30 | ||
| 76.2≤OD≤101.6 | ±0.38 | ||
| 101.6＜OD≤190.5 | +0.38/-0.64 | ||
| 190.5＜OD≤228.6 | +0.38/-1.14 | ||
| ASTM A335 P15 Pipe / ASME SA335 P15 Alloy Steel Pipe | NPS | Outside Diameter, inch | Tolerance, mm |
| 1/8≤OD≤1-1/2 | ±0.40 | ||
| 1-1/2＜OD≤4 | ±0.79 | ||
| 4＜OD≤8 | +1.59/-0.79 | ||
| 8＜OD≤12 | +2.38/-0.79 | ||
| OD>12 | ±1% |
| Material | Size (in mm) |
Sch. & Swg. | Specification |
|---|---|---|---|
| ASTM A335 P15 Seamless Pipe | 15 NB to 300 NB |
Sch. 40s To Sch. XXs (heavier on request) |
ASTM A 335, ASME SA 335 Seamless |
| Alloy Steel Pipe in Grade | ASTM A335 P1/ P2/ P5/ P5b/ P5c/ P9/ P11/ P12/ P15/ P21/ P22/ P23/ P24/ P36/ P91/ P92/ P122/ P15 (with IBR Test Certificate) |
|---|---|
| In Length of | Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths |
| Value Added Service | Draw & Expansion as per required Size & Length Heat Treatment, Bending, Annealed, Machining Etc. |
| Test Certificate | Manufacturer Test Certificate IBR Test Certificate Laboratory Test Certificate from Govt. Approved Lab. & Under Third Party Inspection |
| ASTM A335 P15 Pipe /ASME SA335 P15 Alloy Steel Pipe Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| ASTM A335 P15 Pipe /ASME SA335 P15 Alloy Steel Pipe End | Plain End, Beveled End, Threaded |
| ASTM A335 P15 Pipe /ASME SA335 P15 Alloy Steel Pipe Type | Seamless / ERW / Welded / Fabricated / CDW |
| ASTM A335 P15 Pipe /ASME SA335 P15 Alloy Steel Pipe End Protection | Plastic Caps |
| ASTM A335 P15 Pipe /ASME SA335 P15 Alloy Steel Pipe Outside Coating | Black Painting, Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements |
