Table Of Content
ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
OD≤101.6 | +0.4/-0.8 | ||
101.6<OD≤190.5 | +0.4/-1.2 | ||
190.5<OD≤228.6 | +0.4/-1.6 | ||
Cold Drawn | Outside Diameter, mm | Tolerance, mm | |
OD<25.4 | ±0.10 | ||
25.4≤OD≤38.1 | ±0.15 | ||
38.1<OD<50.8 | ±0.20 | ||
50.8≤OD<63.5 | ±0.25 | ||
63.5≤OD<76.2 | ±0.30 | ||
76.2≤OD≤101.6 | ±0.38 | ||
101.6<OD≤190.5 | +0.38/-0.64 | ||
190.5<OD≤228.6 | +0.38/-1.14 | ||
ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
1/8≤OD≤1-1/2 | ±0.40 | ||
1-1/2<OD≤4 | ±0.79 | ||
4<OD≤8 | +1.59/-0.79 | ||
8<OD≤12 | +2.38/-0.79 | ||
OD>12 | ±1% |
Si, % | Cr, % | Mo, % | C, % | Mn, % | P, % | S, % |
0.20 -0.50 | 8.00 - 9.50 | 0.85 - 1.05 | 0.08-0.12 | 0.30-0.60 | 0.020 max | 0.010 max |
Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
585 min | 415 min | 20 min |
Eckhardt Steel & Alloys are one of the prime Manufacturer and manufacturer and exporter of AS P91 Pipes that are in various specifications in order to meet the diversified requirements of the customers. Alloy Steel P91 Seamless Pipes is often referred to as excellent steel due to its increased resistance to chloride corrosion making it a very suitable material for use in salt water environments. These fabricated Alloy Steel P91 Welded Pipes have close tolerance and dimensional accuracy that makes them very popular and result oriented. As a prominent company, we are engaged in trading and supplying a wide range of Alloy Steel P91 EFW Pipe, which finds its application in heavy duty industrial applications and can be customized in diverse sizes. We own rich experiences in dealing with wide range of Alloy Steel P91 ERW Pipes, which are convenient to use are specifically designed according to their use. Alloy Steel P91 Round Pipes is known for its Improved welding ability, Corrosion and abrasion resistance, Resistant to stress cracking, and more.
We also offer our range of Alloy Steel P91 Square Pipes in various specifications that meet the individual requirement of our clients. Alloy Steel P91 Rectangular Pipes is offered by our company which is manufactured to perfection with the help of the state-of-the-art equipments. We offer a large number of diverse types of Alloy Steel P91 Pipes having standard quality and high efficiency which are manufactured by our team of engineers and other skilled and unskilled workers.
Low alloy steel materials are related with the ASTM standards known as P-grades. The most often used P-grades are P5, P9, P11, P22, and P91.
The temperature creep fracture strength of P91 is greater. P92 steel has stronger high and normal temperature strengths than P91 steel. P92 steel has a temperature strength between 590 and 650 degrees Celsius, similar to TP347H steel, which has a greater high temperature creep performance than P91 steel.
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