ASTM A335 P9 Alloy Steel Pipe
ASME SA335/ASTM A335 P9 Alloy Steel Pipe is a ferritic alloy seamless steel pipe for high temperature conditions. The main manufacturing purpose of ASTM A335 P9 Alloy Steel Pipe is to serve high temperature, high pressure and ultra-high pressure boilers. It is widely used to manufacture key components such as superheater tubes, reheater tubes, gas guide tubes and main steam pipes. In the petrochemical industry, the manufacture of high temperature boilers, superheaters, heat exchangers and pipe fittings is also inseparable from ASTM A335 P9 high temperature alloy pipes. It can maintain stable physical and chemical properties under high temperature environment to ensure the safe and efficient operation of related equipment.
Description
ASME SA335/ASTM A335 P9 Alloy Steel Pipe is a ferritic alloy seamless steel pipe for high temperature conditions. The main manufacturing purpose of ASTM A335 P9 Alloy Steel Pipe is to serve high temperature, high pressure and ultra-high pressure boilers.
ASTM A335 P9 Alloy Steel Pipe is widely used to manufacture key components such as superheater tubes, reheater tubes, gas guide tubes and main steam pipes.
In the petrochemical industry, the manufacture of high temperature boilers, superheaters, heat exchangers and pipe fittings is also inseparable from ASTM A335 P9 Alloy Steel Pipe. It can maintain stable physical and chemical properties under high temperature environment to ensure the safe and efficient operation of related equipment.
The material of American standard ASTM A335 P9 Alloy Steel Pipe is equivalent to the 12Cr9Mo grade of national standard GB/T 5310.
From the perspective of chemical composition, mechanical properties and delivery status, ASTM A335 P9 Alloy Steel Pipe and 12Cr9Mo have extremely high similarities and can be used interchangeably. In actual industrial production, understanding this correspondence can help enterprises have more flexibility in material selection and meet project requirements under different standards.
The ASTM A335 P9 Alloy Steel Pipe is manufactured in accordance with the standards of ASME SA335/SA335M and ASTM A335/A335M, which are similar to the national standards GB/T 9948, GB/T 5310 and the American standard ASTM A213.
Strict compliance with these standards ensures the stability and reliability of the quality of the ASTM A335 P9 Alloy Steel Pipe, which can meet the requirements and be successfully put into use in different industrial projects around the world.
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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