ASTM A213 T91 Alloy Seamless Tube
Ratnam Steel is a manufacturer, supplier, exporter of a huge variety of products. We are an esteemed company that is pretty much engaged in giving a widespread variety of ASTM A213 T91 Alloy Seamless Tube. Being ISO certified company and producing huge range of products, we have a huge number of domestic as well as international clients. We have supplied ASTM A213 T91 Alloy Seamless Tube to clients in India as well as across the globe in countries such as US, UK, Italy, Germany, Australia etc. We offer ASTM A213 T91 Alloy Seamless Tube at economical price to our consumers. These products have a widespread application in number of industries like sugar, nuclear, marine, defence, fabrication etc.
Specifications
Dimensions : ASTM, ASME and API
Standard : ASTM A 213 / ASME SA 213
Size : 6.35mm o.d to 101.60mm o.d
Range : 1/2” OD up to 5” OD, customs diameters also available
Schedule : SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules, upto 12mm thk
Type : Seamless
End : Plain End, Beveled End, Treaded
Form : Round, Square, Rectangular, Hydraulic Etc
Length : Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
Chemical Composition
| Element | Alloy Steel T91 |
| C | 0.07 – 0.14 |
| Cr | 8.0 – 9.5 |
| Mn | 0.30 – 0.60 |
| Mo | 0.85 – 1.05 |
| P | 0.02 |
| S | 0.02 |
| Si | 0.20 – 0.50 |
| V | 0.18 – 0.25 |
| Ni | 0.18 – 0.25x |
| Al | 0.015 |
Mechanical Properties
| Element | Alloy Steel T91 |
| Tensile Strength | 585 min |
| Yield Strength | 415 min |
| Hardness, HB | 250 max |
| Elongation % | 20 min |
Pipes Tolerance
| Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
| OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
| 12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
| 38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |