ASTM A335 P91 Alloy Steel Seamless Pipe
What temperature can A335 P91 alloy pipe withstand?
A335P91 alloy pipe 15CrMoG steel is a steel type widely used in the power industry. It has high thermal strength performance when used at 500℃-550℃. When the operating temperature is greater than 550°C, its thermal strength performance is significantly reduced. This steel is mainly used for high and medium pressure pipelines and steam guide pipes with steam parameters of 510°C, and heater pipes with pipe wall temperatures below 550°C.
What material is A335 P91 seamless alloy pipe 15CrMoG made of?
In A335 P91 Seamless alloy boiler tube, the microstructure of 15CrMoG and 15CrMo steel in the normal supply state is ferrite plus pearlite. During the long-term operation of A335P91 alloy tube in the working temperature range of 500℃-550℃, pearlite balls will be produced. Chemicalization, redistribution of alloying elements between solid solution and carbides and changes in carbide phase structure,
The specifications are A335P91 alloy pipe 914x14.27mm15CrMoG large diameter thin-walled thermally expanded alloy pipe.
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SA335 P91 Pipe Equivalent
| ASTM | ASME | A335 P91 Equivalent Material | JIS G 3458 | UNS | BS | DIN | ISO | ABS | NK | LRS |
|---|---|---|---|---|---|---|---|---|---|---|
| A335 P91 | SA335 P91 | T91, K90901, X10CrMoVNb9-1, 1.4903 | K91560 |
ASTM A335 Gr P91 Equivalent
| MATERIAL | A335 P91 Pipe Specification | |
|---|---|---|
| ASTM | ASME | |
| ASTM A335 P91 Seamless Pipe Material | A335 Grade P91 9% Chrome; 1% Moly + trace elements | SA335 P91 A335 9% Chrome; 1% Moly + trace elements |
Alloy Steel Grade P91 Pipe Chemical Composition
| Alloy Steel P91 | C | Cr | Mn | Mo | P | S | Si |
|---|---|---|---|---|---|---|---|
| 0.08-0.12 | 8.00 – 9.50 | 0.30-0.60 | 0.85 – 1.05 | 0.020 max | 0.010 max | 0.20 -0.50 |
SA335 P91 Pipe Mechanical Strength
| Tensile Strength, MPa | A335 P91 Yield Strength, MPa | Elongation |
|---|---|---|
| 585 min | 415 min | 20 min |
Products Details
1.Manufacture method: cold rolled, cold drawn, hot rolled.
2,material:Cr5Mo,15CrMo,13CrMo44,12Cr1MoV, P22, T91,P91,P9,T9 Wb36
2.Standard:ASTM A335 p91
3.Size range: 12.7mm*1.2mm - 325mm*50mm
4.Delivery condition: normalized, normalized+tempered,Quenched+tempered
5. By Sea - Break-bulk Conventional Vessel
6.Packing: Export sea worthy package
ASTM A335 Seamless Pipe
What is the performance of A335 P91low alloy structural tube?
The performance of alloy pipes is much higher than that of ordinary seamless steel pipes, because this steel pipe contains more Cr, and its high temperature resistance, low temperature resistance, and corrosion resistance are unmatched by other seamless steel pipes, so alloy pipes are widely used in petroleum , aerospace, chemical industry, electric power, boiler, military industry and other industries are widely used. Common materials of alloy pipes are: 15CrMoG, 12CrMoG, P91, WB36.
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