AUTOMOTIVE SEAMLESS TUBES
LBST manufactures seamless tubes conforming to automotive standards, including ST – 52, which are applicable in the value addition processes in automotive industry. Some of them are:
- Fuel Injection
- Components of Vehicle Drivetrain
- Car suspension systems
- Components of engine and transmission
- Components of body and chassis
- Vehicle Control Systems
- Distribution of gas or other media
| Speci-fication | Grade | Chemical Composition (%) | Mechanical Properties | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Mo | Ni | Cu | Yield Strength Min. (MPa) | Tensile Strength Min. (MPa) | PSI Min. | % Elongation (L = 5D, Min.) | ||
| HYDROCARBON PROCESS INDUSTRY / STRUCTURAL PRESSURE VESSEL TUBES | ||||||||||||||
| ASTM A-53 | A | 0.25 | 0.95 | 0.05 | 0.045 | 0.40 | 0.15 | 0.40 | - | - | 205 | 330 | 30,200 | 20 |
| B | 0.30 | 1.20 | 0.05 | 0.045 | 0.40 | 0.15 | 0.40 | - | - | 240 | 415 | 36,000 | 30 | |
| ASTM A-106 | B | 0.35 | 1.06 | 0.035 | 0.035 | 0.40 | 0.15 | 0.40 | - | - | 240 | 415 | 36,000 | 30 |
| C | 0.35 | 1.20 | 0.035 | 0.035 | 0.40 | 0.15 | 0.40 | - | - | 275 | 485 | 40,000 | 30 | |
| ASTM A333 Gr. 6 | - | 0.30 | 1.06 | 0.025 | 0.025 | 0.40 | - | - | - | - | 240 | 415 | 36,000 | 30 |
| SEAMLESS COLD DRAWN PRECISION STEEL TUBES FOR MECHANICAL APPLICATIONS / HYDRAULIC / PNEUMATIC POWER SYSTEMS | ||||||||||||||
| EN 10305-1 | E235 | 0.17 | 1.20 | 0.025 | 0.025 | 0.35 | - | - | - | 0.02 | 235 | 360 | - | 25 |
| E355 | 0.22 | 1.60 | 0.025 | 0.025 | 0.55 | - | - | - | 0.02 | 355 | 490 | - | 22 | |
| EN 10216-2 | P235 | 0.16 | 1.20 | 0.025 | 0.020 | 0.35 | - | - | - | 0.02 | 235 | 360 | - | 25 |
| P355 | 0.22 | 1.60 | 0.025 | 0.020 | 0.55 | - | - | - | 0.02 | 355 | 490 | - | 22 | |
| BOILER / HEAT EXCHANGER / SUPERHEATER & CONDENSER TUBES | ||||||||||||||
| ASTM A179 | - | 0.10 | 0.27 | 0.025 | 0.035 | - | - | - | - | - | 180 | 325 | 26,000 | 35 |
| ASTM A192 | - | 0.18 | 0.35 | 0.035 | 0.035 | - | - | - | - | - | 210 | 380 | 30,000 | 30 |
| ASTM A210 | A-1 | 0.27 | 0.93 | 0.035 | 0.035 | 0.10 | - | - | - | - | 240 | 415 | 37,000 | 30 |
| C | 0.35 | 0.80 | 0.035 | 0.035 | 0.35 | - | - | - | - | 275 | 485 | 40,000 | 30 | |
| RAILWAYS | ||||||||||||||
| IS-1239 P1 | YSt-210 | 0.25 | 0.90 | 0.040 | 0.040 | - | - | - | - | - | 210 | 330 | 30,500 | - |
| IS-1161 | YSt-240 | 0.25 | 1.30 | 0.040 | 0.040 | - | - | - | - | - | 240 | 410 | 35,000 | - |
| YSt-310 | 0.25 | 1.30 | 0.040 | 0.040 | - | - | - | - | - | 310 | 450 | 45,000 | - | |
