ASTM A335/A335M P11 Alloy Seamless Steel Pipe For High-Pressure Boiler
Product Description
Steel grade: ASTM A335 P11
Packing:
Bare packing/bundle packing/crate packing/wooden protection at the both sides of tubes and suitably protected for sea-worthly delivery or as requested.
Inspection and Test:
Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength,Yield Strength, Elongation, Flaring, Flattening, Bending, Hardness, Impact Test), Surface and Dimension Test,No-destructive Test, Hydrostatic Test.
Surface treatment:
Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting.
Both ends of each crate will indicate the order no., heat no., dimensions, weight and bundles or as requested.
ASTM A335 P11 Chemical Compositions(%)
| Compositions |
Data |
| UNS Designa-tion |
K11597 |
| Carbon |
0.05-0.60 |
| Manganese |
0.30-0.60 |
| Phosphorus(max.) |
0.025 |
| Sulfur(max.) |
0.025 |
| Silicon |
0.50-1.00 |
| Nickel |
… |
| Chromium |
1.00-1.50 |
| Molybdenum |
0.44-0.65 |
| Other Elements |
… |
Mechanical properties for ASTM A335 P11
| Properties |
Data |
| Tensile strength, min, (MPa) |
415 Mpa |
| Yield strength, min, (MPa) |
205 Mpa |
| Elongation, min, (%), L/T |
30/20 |
Material & Manufacture
Pipe may be either hot finished or cold drawn with the finishing heat treatment noted below.
Heat Treatment
Mechanical Tests Specified
- Transverse or Longitudinal Tension Test and Flattening Test, Hardness Test, or Bend Test
- For material heat treated in a batch-type furnace, tests shall be made on 5% of the pipe from each treated lot. For small lots, at least one pipe shall be tested.
- For material heat treated by the continuous process, tests shall be made on a sufficient number of pipe to constitute 5% of the lot, but in no case less than 2 pipe.
Notes for Hardness Test:
- P11 shall not have a hardness not exceeding 250 HB/265 HV [25HRC].
Are you a factory or a trading company?
We are a company with two mill and one warehouse,produce Stainless Steel/(Super)Duplex Steel/ Nickel Alloy seamless tube&pipes.
But we also can provide welded stainless steel pipes and pipe fittings, coils, sheets, bar, plates etc. if you need. Because we know this market well
Do you have any certificate?
We have approvals of ISO9001:2015,ISO14001:2015,ISO45001:2018, BV Ocean& Offshore Ship Classification Societies, GOST, TUV, PED AD2000 etc.
And will get ABS/NORSOK/DNV/CU-TR(EAC) soon.
What is your delivery time?
It mainly depends on your demanded volume and material grade. The time of delivery is usually around0.5- 1 month(1*40HT as usual).
We can send it out in 5 days if it has stock.
What is your payment terms?
Our usual payment term is 30% deposit and the rest against B/L. L/C is also acceptable. And the shipping terms are EXW,FOB, CFR,CIF.Whichever you like.
How can you guarantee the quality of my goods?
All material are 100% PMI tested and measured before shipping. We also accept third part inspection andEN10204.3.1B Mill test certificate for all materials.
How do you make our business long-term and good relationship?
1.We keep good quality and competitive price to ensure our customers benefit.
2. We respect every customer and we sincerely do business with them, sustain our service level before and after every deal.
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