ASME SA335 P91 High Temperature Alloy Steel Boiler Tube
- Model
- P91
Item specifics
- Delivery Condition
- Full Annealed or Normailzed and Tempered
- Surface Conditon
- Mill Lacquered,Bare
Review
Description
Quality Standard:
ASME SA335 SPECIFICATION FOR SEAMLESS FERRITIC ALLOY STEEL PIPE FOR HIGH TEMPERATURE
Chemical Composition(%):
Steel Grade | C | Si | Mn | P | S | Cr | Mo | Others |
P91 | 0.08-0.12 | 0.20-0.50 | 0.30-0.60 | 0.020 max | 0.010 max | 8.00-9.50 | 0.85-1.05 | V:0.18-0.25 N:0.03-0.07 Ni:0.4max Al:0.04max Cb:0.06-0.10 |
Mechanical Properties:
Steel Grade | Tensile Strength | Yield Strength | Elongation % | Hardness(HB) | |||
ksi | MPa | ksi | MPa | Longitudinal | Transverse | ||
P91 | 85 | 585 | 60 | 415 | 20 | - | ≤250 |
Size Range:
Outer Diameter: 1/8″-48″
Wall Thickness Schedule: 20, 30, 40, Standard (STD), Extra Heavy (XH), 80, 100, 120, 140, 160, XXH
Lengths:
Fixed length within the random lengths range
Tolerances on fixed lengths: +10/-0mm, for boiler tube and +50/-0mm for header pipe.
Maximum length up to 24mtr
Surface Conditions:
Mill Lacquered
Bare
End Finishes:
Beveled
Square
Threaded
Threaded and Coupled
Grooved
Mill Test Certificates:
Product are supplied with 3.1 test certificates, acc. To EN10204
