Greenline Pipe and Fitting is a renowned name in supplying and manufacturing of Alloy steel Tubes. We are also one of the trusted suppliers of Alloy steel tubing. We have been part of this industry for many years serving our clients with our superior quality products. We specialize in these tubes in all standard sizes.
We design Alloy steel Tubes possess better mechanical properties than stainless steel and are sturdy. This is quite cost-effective in comparison to stainless steel. Alloy steel tubing is far easier to machine and form as compared to other forms of steel. The most important feature remains resistance to most of the organic and inorganic chemicals. Exhibiting a higher-order resistance to the effect of nitric and sulfur acids is a known property. Even the bases and different atmospheric conditions do not affect. Tubes are not recommended for exposure to saltwater as their mechanical property gets tempered with the effect of saltwater. Therefore these shall not be used in marine applications
Alloy steel Tubes are known for delivering tremendous resistance to oxidation due to the effect of air, water or chemicals. Its mechanical property of extremely high resistance to all types of corrosion makes it suitable for many process-oriented industrial applications. These come with workable creep characteristics. These are extremely convenient for forming and drowning applications. To go with that these offer resistance to all kinds of corrosion. Alloy steel tubing is prone to pitting and crevice corrosion if in case it comes in direct contact with warm chloride environments. So this is something one has to take care of. This all happens because of the considerable amount of chromium in it.
Some of the most prominent users of this category of tubes are manufacturers of oil refinery equipment & industrial boilers. Alloy steel Tubes are also used in the manufacturing units of chemical and pharmaceutical equipment, aircraft and air carriers. These are of great use in high-temperature environments due to their ability to withstand varying temperatures. Even at high temperatures, these are reliable and sturdy. This property is one of the prime reasons behind its popularity.
We take pride in the quality of the product, as tubes go through an array of tests before getting delivered. And we package it in wooden carts to ensure safety during transportation.
Specifications : ASTM A213 / ASME SA213
Standard : ASTM, ASME and API
Dimension Standard : ANSI B36.19M, ANSI B36.10
Size : 6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk.
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type : Seamless / ERW / Welded / Fabricated Tubes
Form : Round, Square, Rectangular, Oval, Hydraulic Etc
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
STANDARD | WERKSTOFF NR. | UNS | TRADE NAME |
Alloy Steel T5 | 1.7362 | K41545 | 5Cr-1/2Mo |
Alloy Steel T9 | 1.7386 | S50400 | 9Cr-1Mo |
Alloy Steel T11 | 1.7338 | K11597 | 10CrMo5-5 |
Alloy Steel T12 | 1.7335 | K11562 | 13CrMo4-5 |
Alloy Steel T22 | 1.7380 | K21590 | 10CrMo9-10 |
Alloy Steel T91 | 1.4903 | K91560 | X10CrMoVNb9-1 |
Element | C | Cr | Mn | Mo | P | S | Si |
Grade T5 | 0.05 - 0.15 | 4.00 - 6.00 | 0.30 - 0.60 | 0.45 - 0.65 | 0.025 max | 0.025 max | 0.50 - 1.00 |
Grade T9 | 0.05 - 0.15 | 0.90 - 1.10 | 0.30 - 0.60 | 0.90 - 1.10 | 0.025 max | 0.025 max | 0.25 - 1.00 |
Grade T11 | 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 |
Grade T22 | 0.05 - 0.15 | 1.90 - 2.60 | 0.30 - 0.60 | 0.87 - 1.13 | 0.025 max | 0.025 max | 0.50 max |
Grade T91 | 0.08-0.12 | 8.0-9.5 | 0.3-0.6 | 0.85-1.05 | 0.02 max | 0.01 max | 0.2-0.5 |
Element | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
T5 | 415 min | 205 min | 30 min |
T9 | 380 min | 205 min | 30 min |
T11 | 415 min | 220 min | 30 min |
T12 | 415 min | 220 min | 30 min |
T22 | 415 min | 205 min | 30 min |
T91 | 585 min | 415 min | 20 min |
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