Made in China AISI SAE1020 1045 MIld Seamless steel tube
| Competitive price astm a106 grb seamless tube | |
| Steel grade | E355 (EN 10305-1) / St52-3 (DIN 2391) |
| Heat treatment | +SR (EN 10305-1) / BK+S (DIN 2391) |
| Diameter range (metric | from OD 48 x ID 40 mm to OD 350 x ID 300 mm |
| (bigger dimensions: upon request) | |
| Diameter range (imperial) | from OD 2" x ID 1½" to OD 10" x ID 9" |
| (bigger dimensions: upon request | |
| Tolerance | ISO H8 (EN ISO 286-2) |
| Standard length | 6000 - 8000 mm for ID 70 mm |
| 7000 - 9000 mm for ID >75 mm | |
| (upon request: special lengths) | |
| Surface finish (ID) | Ra ≤ 0.20 μm - skived and roller burnished tube |
| Ra ≤ 0.40 μm - honed tube | |
| Straightness | max. 1 mm : 1000 mm |
| Total deviation | - tubes with length 6 m: max. 3.5 mm : length |
| - tubes with length > 6 m: for each metre over 6 m | |
| the tolerance must be increased by 0.5 mm | |
| Eccentricity | ≤10% according to the standard EN 10305-1 |
| Roundness | within the limits of the ID tolerances |
Production Process:
Application
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