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Best Quality Fast Delivery ASTM A335 Alloy Seamless Steel Pipe For Power Plant
Best Quality Fast Delivery ASTM A335 Alloy Seamless Steel Pipe for Power Plant
We are supplying seamless alloy pipe with big diameter and wall thickness. This kind of alloy pipe are widely used at power plant, boiler industry, mechanical making, chemical plant, nuclear power industry, etc.
Standard: ASME SA335
Steel grade: SA335 P11/P12/P22/P91/P92,
Outer diameter: 219mm~1066mm
Wall thickness: 15mm~120mm
Tolerance of sizes:
Type of pipe | Outer diameter | Wall thickness | ||
OD (mm) | Tolerance (mm) | WT (mm) | Tolerance (mm) | |
Hot Rolled Steel Pipes | 219~457 | ±1.0% | =20 | -10%~+12.5% |
>20~40 | -10%~+10% | |||
457~1066 | ±0.9% | >40~70 | -7%~+9% | |
>70~120 | -6%~+8% |
Mechanical Properties of boiler pipe:
Standard | Steel grade | Tensile strength(MPa) | Bend strength(Mpa) | Elongation % | Impact energy(J) | Hardness |
| SA335 P11 | =415 | =205 | =22 | =35 | =163HB |
SA335 P12 | =415 | =220 | =22 | =35 | =163HB | |
SA335 P22 | =415 | =205 | =22 | =35 | =163HB | |
SA335 P5 | =415 | =205 | =22 | =35 | =187HB | |
SA335 P91 | 585~760 | =415 | =20 | =35 | =250HB | |
SA335 P92 | =620 | =440 | =20 | =35 | 250HB |
Chemical composition boiler pipe:
standard | Steel grade | Chemical composition (%) | |||||||||||||
C | Si | Mn | P | S | Cr | Mo | Cu | Ni | V | AL | W | Nb | N | ||
| SA335P11 | 0.05 | 0.5 | 0.3 | =0.03 | =0.03 | 1.0 | 0.5 | |||||||
SA335P12 | 0.05 | =0.5 | 0.3~ | =0.03 | =0.03 | 0.8 | 0.44 | ||||||||
SA335P22 | 0.05 | =0.5 | 0.3~ | =0.03 | =0.03 | 1.9 | 0.87 | ||||||||
SA335P5 | =0.15 | =0.5 | 0.3~ | =0.03 | =0.03 | 4.0 | 0.45 | ||||||||
SA335P91 | 0.08 | 0.2 | 0.3~ | =0.02 | =0.01 | 8.0 | 0.85 | =0.4 | 0.18 | =0.015 | 0.06 | 0.03 | |||
SA335P92 | 0.07 | =0.5 | 0.3~ | =0.02 | =0.01 | 8.5 | 0.3~ | B0.001 | =0.4 | 0.15 | =0.015 | 1.5 | 0.04 | 0.03 |
Our services:
Make production according to customer's specific requirements strictly.
Accept inspection during the production or before shipment.
Provide the original copy of MTC (Mill testing certificate)
Provide the standard seaworthy packing.
Arrange the most professional shipment.
Third Party inspection that is preferred by new customers is proved to be convincing. Through years’ of operation, M/S Ruicheng Steel has established stable contact with world famous third party inspection authorities, like Lloyd’s, BV, SGS, ABS, Intertek, ect. More than 10,000Mtons of steel pipes, tubes, fittings and flanges have been inspected by them.
Any questions or inquiries will be highly appreciated.
Kindly please contact us freely at gracewang@ruichengsteel.cn