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Tubo afilado con piedra
E355 + SR Tubo de ácaro sin soldadura
Especificaciones del tubo afilado con piedra:
1. Grado de acero: ST52, ST52.3, 20 #, 45 #, 4140, 16Mn, 42CrMo, Q345B, Q345D, acero inoxidable 304/316, dúplex 2205, acero de aleación, etc.
2. ID: 20mm-1500mm
3. Longitud: max 13m
4. Rectitud: 0.5 / 1000
5. Rugosidad (Ra): 0.2-0.4u
6. Tolerancia EXT: DIN2391
7. Tolerancia INT: ISO H8
8. Tipo: dibujo en frío, laminado en frío, afilado con piedra
9. Conservación: anti oxidación engrasada por el interior y exterior de la superficie, tapas de plástico en ambos extremos.
10. Paquete: paquete con banda de acero y banda de tejer, o caja de madera.
Inside Dia (mm) | ID Tolerance (mm) | WT Tolerance (mm) | ||||
H7 | H8 | H9 | H10 | |||
≤30 | +0.021/0 | +0.033/0 | +0.052/0 | +0.084/0 | ±7.5% >210mm ±10% | |
30 - ≤50 | +0.025/0 | +0.039/0 | +0.062/0 | +0.100/0 | ||
50 - ≤80 | +0.030/0 | +0.046/0 | +0.074/0 | +0.120/0 | ||
80 - ≤120 | +0.035/0 | +0.054/0 | +0.087/0 | +0.140/0 | ||
120 - ≤180 | +0.040/0 | +0.063/0 | +0.100/0 | +0.160/0 | ||
180 - ≤250 | +0.046/0 | +0.072/0 | +0.115/0 | +0.185/0 | ||
250 - ≤315 | +0.052/0 | +0.081/0 | +0.130/0 | +0.210/0 | ||
315 - ≤700 | +0.057/0 | +0.089/0 | +0.140/0 | +0.230/0 |
Steel Grade | Chemical composition % | ||||||
C | Si | Mn | P | S | Al | ||
≤ | ≥ | ||||||
20# | 0.17-0.24 | 0.17-0.37 | 0.35-0.65 | 0.035 | 0.035 | / | |
45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.035 | 0.035 | / | |
Q345B | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0.03 | / | |
Q345D | ≤0.2 | ≤0.5 | 1.00-1.60 | 0.03 | 0.03 | 0.015 | |
25Mn | 0.22-0.29 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | / | |
27SiMn | 0.24-0.32 | 1.10-1.40 | 1.10-1.40 | 0.035 | 0.035 | / | |
ST52 | ≤0.22 | ≤0.55 | ≤1.6 | 0.025 | 0.025 | / | |
SAE1026 | 0.22-0.28 | 0.15-0.35 | 0.60-0.90 | 0.04 | 0.05 | / | |
Delivery Condition | cold finished (hard) (BK) | cold drawn and stress-relieved (BK+S) | ||||
Steel Grade | Tensile Strength (Mpa) | Elongation (%) | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | |
20# | ≥550 | ≥8 | ≥520 | ≥375 | ≥15 | |
45# | ≥640 | ≥5 | ≥600 | ≥520 | ≥10 | |
16Mn | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | |
25Mn | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 | |
27SiMn | ≥800 | ≥5 | ≥760 | ≥610 | ≥10 | |
ST52 | ≥640 | ≥5 | ≥600 | ≥520 | ≥14 | |
SAE1026 | ≥640 | ≥5 | ≥600 | ≥510 | ≥15 |