We offer a comprehensive range of ASTM 335 Alloy Steel Pipes & Tubes that are
appreciated for superior quality and unmatched durability. These are available in different sizes,
grades, specification and shapes. We can manufacture such as Seamless & Welded as per ASME B16.11
standards & other international standards. These Alloy Steel Seamless Tubes are used in different
application industry like oil refineries, chemical plants, fertilizers plants, petrochemicals plants
and sugar mills etc. ASTM 335 Alloy steel Boiler tubes are offered at affordable prices by. They can
customize this alloy steel pipes & tubes as per the requirements of the clients.
Ferritic Alloy Steel Pipe is recognized for having a high chromium concentration and a low carbon
percentage. These magnetic Alloy Steel Boiler Tubes have key qualities including high ductility,
corrosion resistance, and stress related corrosion cracking resistance. As a result, IBR certified
Alloy Steel Pipe is often used in automotive, kitchenware, and industrial equipment
applications.
High alloy steels and low alloy steels are the two types of alloy steels. Low alloy steel pipes are
made up of pipes with an alloying percentage of less than 5%. A high alloy steel's alloying content
would be anything from 5% to roughly 50%. An Alloy Steel Seamless Pipe's working pressure capability
is around 20% higher than a welded pipe, similar to most alloys. As a result, the use of a seamless
pipe is justified in applications that require a higher working pressure. The cost is substantially
more than a welded pipe, despite the fact that it is stronger.
Alloy Steel Seamless Pipes & Tubes are utilised in applications that demand moderate corrosion
resistance, as well as good durability and a low cost. The High Temperature Alloy Steel Boiler Pipe
is typically utilised in applications where the ambient temperature reaches 500°C. For example, when
used on drilling rigs, hollow and thin-walled Alloy Steel Drill Pipe must be able to withstand
pressure differentials that occur both inside and outside these Alloy Steel Seamless Pipe.
A product made of alloy steel performs far better than one made of carbon steel. Although they are
less expensive than stainless steel grades, they have poorer corrosion resistance than stainless
steels but are more resistant than carbon steel pipes.
| Specifications | ASTM A 335 ASME SA 335 |
| Dimensions | ASTM, ASME and API |
| Size | 1/8″NB TO 30″NB IN |
| Tubing Size | 1 / 2” OD up to 5” OD, customs diameters also available |
| Outer Diameter | 6-2500mm; WT:1-200mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Grade | STM A335 Gr. P5, P9, P11, P12, P21, P22 & P91, ASTM A213 – T5, T9, T11, T12, T22, T91, ASTM A691 |
| Length | Within 13500mm |
| Type | Seamless / Fabricated |
| Form | Round, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
15cr mo alloy solid steel pipes
25crmo4 alloy steel pipe
36 inch ASTM A 335 Grade P11 alloy galvanized steel pipe
42CrMo/ SCM440 alloy steel seamless pipe
Alloy 20/21/33 steel pipe
40MM alloy steel pipe
ASTM A355 P22 Seamless Alloy Steel Pipe
ASTM A423 Alloy Steel Seamless Pipe
Galvanized low alloy coated steel pipe
| Alloy Steel | |||||||
| C | Cr | Mn | Mo | P | S | Si | |
| 0.05 – 0.15 | 1.00 – 1.50 | 0.30 – 0.60 | 0.44 – 0.65 | 0.025 max | 0.025 max | 0.50 – 1.00 |
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
| 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% |
| STM A450 | Hot rolled | Outside Diameter, mm | Tolerance, % |
| OD≤101.6, WT≤2.4 | +40/-0 | ||
| OD≤101.6, 2.4＜WT≤3.8 | +35/-0 | ||
| OD≤101.6, 3.8＜WT≤4.6 | +33/-0 | ||
| OD≤101.6, WT>4.6 | +28/-0 | ||
| OD>101.6, 2.4＜WT≤3.8 | +35/-0 | ||
| OD>101.6, 3.8＜WT≤4.6 | +33/-0 | ||
| OD>101.6, WT>4.6 | +28/-0 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, % | |
| OD≤38.1 | +20/-0 | ||
| OD>38.1 | +22/-0 | ||
| ASTM A530 | NPS | Outside Diameter, inch | Tolerance, % |
| 1/8≤OD≤2-1/2 | +20.0/-12.5 | ||
| 3≤OD≤18, WT/OD≤5% | +22.5/-12.5 | ||
| 3≤OD≤18, WT/OD>5% | +15.0/-12.5 | ||
| OD≥20, WT/OD≤5% | +22.5/-12.5 | ||
| OD≥20, WT/OD>5% | +15.0/-12.5 |
|
|
P5, P9, P11, and P22 |
|
|
|
Grade |
Heat Treatment Type |
Normalizing Temperature Range F [C] |
Subcritical Annealing |
|
P5 (b,c) |
Full or Isothermal Anneal |
|
|
|
|
Normalize and Temper |
***** |
1250 [675] |
|
|
Subcritical Anneal (P5c only) |
***** |
1325 - 1375 [715 - 745] |
|
P9 |
Full or Isothermal Anneal |
|
|
|
|
Normalize and Temper |
***** |
1250 [675] |
|
P11 |
Full or Isothermal Anneal |
|
|
|
|
Normalize and Temper |
***** |
1200 [650] |
|
P22 |
Full or Isothermal Anneal |
|
|
|
|
Normalize and Temper |
***** |
1250 [675] |
|
P91 |
Normalize and Temper |
1900-1975 [1040 - 1080] |
1350-1470 [730 - 800] |
|
|
Quench and Temper |
1900-1975 [1040 - 1080] |
1350-1470 [730 - 800] |
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