ASTM A335 P22 Alloy Steel Pipe
ASTM A335 P22 Alloy Steel Pipe is a high-pressure alloy pipe, also known as 10CrMo910 steel pipe, which is a special steel pipe used in high temperature and high pressure environments. It has good thermal strength and oxidation resistance and is widely used in petrochemical, electric power, aerospace and other industrial fields.
Description
ASTM A335 P22 Alloy Steel Pipe is a high-pressure alloy steel seamless pipe, also known as 10CrMo910 steel pipe, which is a special steel pipe used in high temperature and high pressure environments.
ASTM A335 P22 Alloy Steel Pipe has good thermal strength and oxidation resistance and is widely used in petrochemical, electric power, aerospace and other industrial fields.
T22 and P22 have similar chemical composition and performance. T22 is used for boiler heating surface and directly in contact with flue gas, and ASTM A335 P22 Alloy Steel Pipe is used to connect pipes.
T/P22 is equivalent to German 10CrMo910. T22 belongs to ASTM SA213 seamless ferrite and austenite alloy steel pipes for boilers, superheaters and heat exchangers, and ASTM A335 P22 Alloy Steel Pipe for high temperature.
Chemical composition: The main chemical components of ASTM A335 P22 Alloy Steel Pipes include carbon (C), chromium (Cr), molybdenum (Mo) and other elements. Among them, the carbon content is usually between 0.18-0.25%, the chromium content is between 8-11%, and the molybdenum content is between 0.4-1.0%. The addition of these elements makes ASTM A335 P22 Alloy Steel Tube have higher thermal stability and mechanical properties.
Processing method of ASTM A335 P22 Alloy Steel Tube:
ASTM A335 P22 Alloy Steel Pipe is usually processed by cold drawing or hot rolling. Cold drawn tubes have higher dimensional accuracy and surface finish, while hot rolled tubes have a larger wall thickness range and higher mechanical properties.
Applications of ASTM A335 P22 Alloy Steel Pipe:
Due to its excellent high temperature resistance, high pressure resistance and oxidation resistance, ASTM A335 P22 Alloy Steel Pipe is widely used in pipeline systems under high temperature and high pressure environments, such as heating furnaces, heat exchangers, boilers, etc. in petrochemicals. In addition, it can also be used to manufacture high-end equipment such as aircraft engine parts and pressure vessels.
Performance characteristics of ASTM A335 P22 Alloy Steel Pipe:
ASTM A335 P22 Alloy Steel Pipe has high thermal strength and can maintain stable mechanical properties at high temperatures; it also has good oxidation resistance and can work for a long time in an oxidizing atmosphere without failure. In addition, it also has excellent corrosion resistance, wear resistance and fatigue resistance.
Precautions for use ASTM A335 P22 Alloy Seamless Steel Pipe:
When using ASTM A335 P22 Alloy Steel Pipe, care should be taken to avoid using it at low temperatures to prevent increased brittleness and fracture; at the same time, the working status of the pipeline system should be checked regularly to ensure that there are no safety hazards such as leakage and cracks.
In short, ASTM A335 P22 Alloy Steel Pipe is a high-performance special steel pipe with broad application prospects and important economic value. When selecting and using it, the appropriate specifications and materials should be selected according to the specific application environment and requirements.
Chemical Composition of ASTM A335/ A335M seamless steel pipe:
| ASTM A335/ A335M Chemical Composition % | |||||||||
| Grade | UNS | C | Mn | P | S | Si | Cr | Mo | Others |
| ASTM A335 P1 | K11522 | 0.10-0.20 | 0.30-0.80 | 0.025 | 0.025 | 0.10-0.50 | – | 0.44-0.65 | – |
| ASTM A335 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 | – |
| ASTM A335 P5 | K41545 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.5 | 4.00-6.00 | 0.45-0.65 | – |
| ASTM A335 P5b | K51545 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 1.00-2.00 | 4.00-6.00 | 0.45-0.65 | – |
| ASTM A335 P5c | K41245 | 0.12 | 0.30-0.60 | 0.025 | 0.025 | 0.5 | 4.00-6.00 | 0.45-0.65 | *A |
| ASTM A335 P9 | S50400 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 | – |
| ASTM A335 P11 | K11597 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 | – |
| ASTM A335 P12 | K11562 | 0.05-0.15 | 0.30-0.61 | 25 | 0.025 | ≤0.50 | 0.80-1.25 | 0.44-0.65 | – |
| ASTM A335 P15 | K11578 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 1.15-1.65 | – | 0.44-0.65 | – |
| ASTM A335 P21 | K31545 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.5 | 2.65-3.35 | 0.80-1.06 | – |
| ASTM A335 P22 | K21590 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.5 | 1.90-2.60 | 0.87-1.13 | – |
| ASTM A335 P23 | K41650 | 0.04-0.10 | 0.10-0.60 | 0.03 | 0.01 | 0.5 | 1.90-2.60 | 0.05-0.30 | *B |
| ASTM A335 P36 | K21001 | 0.10-0.17 | 0.80-1.20 | 0.03 | 0.025 | 0.25-0.50 | 0.3 | 0.25-0.50 | *C |
| ASTM A335 P91 | K91560 | 0.08-0.12 | 0.30-0.60 | 0.02 | 0.01 | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 | *D |
| ASTM A335 P92 | K92460 | 0.07-0.13 | 0.30-0.60 | 0.02 | 0.01 | 0.5 | 8.50-9.50 | 0.30-0.60 | *E |
| ASTM A335 P122 | K92930 | 0.07-0.14 | 0.7 | 0.02 | 0.01 | 0.5 | 10.00-11.50 | 0.25-0.60 | *F |
| ASTM A335 P911 | K91061 | 0.09-0.13 | 0.30-0.60 | 0.02 | 0.01 | 0.10-0.50 | 8.50-9.50 | 0.90-1.10 | *G |
Mechanical Properties of ASTM A335/ A335M seamless steel pipe:
| Grade | Tensile Strength | Yield Strength | Elongation % | Hardness(HB) | |||
| ksi | MPa | ksi | MPa | Longitudinal | Transverse | ||
| ASTM A335 P1 | 55 | 380 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P2 | 55 | 380 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P5 | 60 | 415 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P5b | 60 | 415 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P5c | 60 | 415 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P9 | 60 | 415 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P11 | 60 | 415 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P12 | 60 | 415 | 32 | 220 | 30 | 20 | – |
| ASTM A335 P15 | 60 | 415 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P21 | 60 | 415 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P22 | 60 | 415 | 30 | 205 | 30 | 20 | – |
| ASTM A335 P23 | 74 | 510 | 58 | 400 | 20 | – | – |
| ASTM A335 P91 | 85 | 585 | 60 | 415 | 20 | – | ≤250 |
| ASTM A335 P92 | 90 | 620 | 64 | 440 | 20 | – | ≤250 |
| ASTM A335 P122 | 90 | 620 | 58 | 400 | 20 | – | ≤250 |
| ASTM A335 P911 | 90 | 620 | 64 | 400 | 20 | – | – |
Standards and Classifications
| Alloy steel pipe
Standard & Mate |
GB5310-2013 Standard: 20G,25MnG, 15MoG,15CrMoG, 20MoG, 12CrMoG, 12Cr2MoG, 12Cr1MoVG, 12Cr2MoWVTiB, 10Cr9Mo1VNb, 15CrMoG, 10CrMo910ASTM A209M/AS-209M Standard: A209T1/SA209 T1, A209 T1b/SA-209 T1b, A209T1a/SA209 T1a
ASTM A213M/ASME SA 213 M Standard: T2, T5, T9, T11, T12, T22, T23, T24, T91, T911, T92, T122 ASTM A333M/ASME SA-333/SA333M Standard: Gr1, Gr3, Gr4, Gr6, Gr7,Gr8, Gr9, Gr10, Gr11 ASTM A334M/ASME SA-334/SA334M Standard: Gr1, Gr3, Gr6, Gr7,Gr8, Gr9, Gr11 ASTM A335/ASME SA335 Standard: P1, P2, P5,P5b, P5c, P9, P11, P12,P21,P22,P23, P24, P91, P92 ASTM A519 Standard: 4118, 4130,4135,4137,4140 ASTM A691 Standard: GRADE 91, CM65, CM70, CM75, CMSH70, CMS75, CMSH80, ASTM A691 Standard GRADE 1/2 Cr, GRADE 1CR, GRADE 1 1/4 CR, 2 1/4 Cr, 3CR, 5CR, 9 CR DIN17175 Standard: ST35.8, ST45.8, 15Mo3, 13CrMo44, 10CrMo910, 14MoV63,12Cr1MoV EN10216-2 Standard: P195GH, P235GH, P265GH, 13CrMo4-5, 10CrMo9-10, 16Mo3, 10CrMo5-5, X10CrMoVNb9-1 JIS G3458 Standard: STPA12, STPA20, STPA22, STPA23, STPA24, STPA25, STPA26 JIS G3441 Standard: SCR420 TK,SCM415 TK, SCM418 TK, SCM420TK, SCM430TK, SCM435TK, SCM440TK. NF A49-213/215 Standard: TU15D3, TU13CD4-04, TU10CD910, TUZ10CD505, Alloy C276 BS3059 Standard: S1-622-440, S2-622-440, S1-622-490, S2-622-490, S1-629-470, S2-629-470, S2-629-590 BS3604Standard: HFS625 CFS625 BS3606Standard: CFS625 |
| Alloy steel pipe Size | O.D: 6-760mm W.T: 1-80mm Fixed Length: 5.8m, 6m, 11.8m, 12m, or random length as required. |
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