TORICH INTERNATIONAL LIMITED
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GB/T3093 10A 20A Q345A High Pressure Seamless Steel Tubes For Diesel Engine
If you have been on a pursuit of the ultimate quality, then look no further than this. We as a Manufacturer, Exporter and Supplier of Seamless Steel Pipes are passionate for about delivering nothings short of excellence. We put Seamless Steel Pipes under intense quality checks tested against numerous parameters to ensure that the promising quality that we offer complies with the international quality standards.
Steel Grade/Steel Material/Steel Number:
10A 20A Q345A
| Grade | Chemical Component(Quality Fraction)/% | |||||||
| C | Si | Mn | P | S | Cr | Ni | Cu | |
| No More Than | ||||||||
| 10A | 0.07~0.13 | 0.17~0.37 | 0.35~0.65 | 0.030 | 0.030 | 0.15 | 0.30 | 0.20 |
| 20A | 0.17~0.23 | 0.17~0.37 | 0.35~0.65 | 0.030 | 0.030 | 0.25 | 0.30 | 0.20 |
| Q345A | ≤0.20 | ≤0.55 | 1.00~1.60 | 0.030 | 0.030 | 0.30 | 0.30 | 0.20 |
Size Range:
OD: 6-530mm
WT:0.5-38.1mm
Length:1.5-6m,as customer’s requirement
Mechanical Properties:
| Grade | Strength of extension MPa | Yield Point MPa | Elongation % |
| No more than | |||
| 10A | 335~470 | 205 | 30 |
| 20A | 390~540 | 245 | 25 |
| Q345A | 470~630 | 345 | 22 |
Manufacturing process:
Cold Drawn
Delivery Terms:
Heat Treatment condition
Inspection in the work ship:
Size Measurement
NDT inspection: by eddy current test ultrasonic test
Mechanical test.
Application:
For Diesel Engine