ASTM A335 Seamless Ferritic Alloy-steel Boiler Pipe
Applications: For Boilers,Superheaters,Steam linepipes of boilers
Technique: Cold-drawn
Alloy or not: Alloy
Secondary or not: Non-Secondary
Steel Grade/Steel Material: P5 P9 P11 P12 P21 P22 P91 P92
Size range:
| O.D. | 6-420mm |
| W.T. | 1-50mm |
| Length | max 12000mm |
Characteristic:
Good concentricity
Good OD and ID tolerance
High Precision
Stable quality
Smooth Roughness
TORICH QUALITY ASSURANCE
Chemical Composition:
| Steel Grade and Chemical Compositions: |
| Steel Grade | C | Mn | P | S | Si | Cr | Mo |
| max | max | max | max | max | min | |
| P5 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 | 4.00-6.00 | 0.45-0.65 |
| P9 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0 .65 |
| P12 | 0.05-0.15 | 0.30-0.61 | 0.025 | 0.025 | 0.50 | 0.80-1.25 | 0.44-0.65 |
| P21 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 | 2.65-3.35 | 0.80-1.06 |
| P22 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50 | 1.90-2.60 | 0.87-1.13 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020 | 0.010 | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 |
| P92 | 0.07-0.13 | 0.30-0.60 | 0.020 | 0.010 | 0.50 | 8.50-9.50 | 0.30-0.60 |
Mechanical proporties:
| Steel Grade | Tensile Strength | Yield Strength | Elongation | Hardness.Max | |
| min.ksi [Mpa] | min.ksi [Mpa] | % | Brinell/Vickers | Rockwell |
| P1, P2 | 55[380] | 30[205] | 20 | | |
| P12 | 60[415] | 32[220] | 20 | | |
| P23 | 74[510] | 58[400] | 20 | | |
| P91 | 85[585] | 60[415] | 30 | 250 HB/265 HV | 25 HRC |
| P92, P911 | 90[620] | 64[440] | 30 | 250 HB/265 HV | 25 HRC |
| P122 | 90[620] | 58[400] | 30 | 250 HB/265 HV | 25 HRC |
Product Pictures:
Company Introduction:
Packaging and Delivery:
FAQ:
Q: Are you trading company or manufacturer?
A: We are a professional steel pipes materials manufacturer.
Q: How long is your delivery time?
A: Generally it takes 7-14 days if the goods are in stock or 30-60 days if there is no stock, this mainly depends on quantity.
Q: Do you provide free sampleas?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us.
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ASTM A335 Seamless Ferritic Alloy Steel Boiler Pipe Images
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