- Model NO.: line pipe
- Technique: ERW
- Surface Treatment: Varnishing
- Section Shape: Round
- Trademark: luzheng
- Specification: OD3/8-26Inch
- HS Code: 7304193000
- Type: Welded
- Material: Carbon Steel
- Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose
- API 5L: Gr.B,X42,X52,X60,X65,X70
- Transport Package: Loose
- Origin: Shandong
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Standard:Â APIÂ 5LÂ PSL1Â ORÂ PSL2/ASTMÂ A106
Size:
OD:3/8"-56"Â (17.1-1422mm)WT:2.31-60mm
Surface:3PE,3PP,Black  paintings or clear varnish
plastic caps ,bevelsÂ
MILLÂ TESTÂ CERTIFICATEÂ INÂ ENÂ 10204/3.1
1,Chemical composition in %
TYPE | Steel grade | C . | Si | Mn . | P | S |
API 5L PSL1 | B | ≤0.28 | - | ≤1.20 | ≤0.03 | ≤0.03 |
API 5L PSL1 | X42 | ≤0.28 | - | ≤1.3 | ≤0.03 | ≤0.03 |
API 5L PSL1 | X46 | ≤0.28 | - | ≤1.4 | ≤0.03 | ≤0.03 |
API 5L PSL1 | X52 | ≤0.28 | - | ≤1.4 | ≤0.03 | ≤0.03 |
API 5L PSL1 | X56 | ≤0.28 | - | ≤1.4 | ≤0.03 | ≤0.03 |
API 5L PSL1 | X60 | ≤0.28 | - | ≤1.4 | ≤0.03 | ≤0.03 |
API 5L PSL1 | X70 | ≤0.28 | - | ≤1.4 | ≤0.03 | ≤0.03 |
Mechanical Properties
TYPE | Steel grade | Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation |
API 5L PSL1 | B | ≥415 | ≥245 | As per API 5L |
API 5L PSL1 | X42 | ≥415 | ≥290 | As per API 5L |
API 5L PSL1 | X46 | ≥435 | ≥320 | As per API 5L |
API 5L PSL1 | X52 | ≥460 | ≥360 | As per API 5L |
API 5L PSL1 | X56 | ≥490 | ≥390 | As per API 5L |
API 5L PSL1 | X60 | ≥520 | ≥415 | As per API 5L |
API 5L PSL1 | X70 | ≥565 | ≥483 | As per API 5L |
 2,Chemical composition in %
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Level | Steel grade | C . | Si | Mn . | P | S |
PSL2 | B | ≤0.24 | - | ≤1.20 | ≤0.03 | ≤0.03 |
PSL2 | X42 | ≤0.24 | - | ≤1.3 | ≤0.03 | ≤0.03 |
PSL2 | X46 | ≤0.24 | - | ≤1.4 | ≤0.03 | ≤0.03 |
PSL2 | X52 | ≤0.24 | - | ≤1.4 | ≤0.03 | ≤0.03 |
PSL2 | X56 | ≤0.24 | - | ≤1.4 | ≤0.03 | ≤0.03 |
PSL2 | X60 | ≤0.24 | - | ≤1.4 | ≤0.03 | ≤0.03 |
PSL2 | X65 | ≤0.24 | - | ≤1.4 | ≤0.03 | ≤0.03 |
PSL2 | X70 | ≤0.24 | - | ≤1.4 | ≤0.03 | ≤0.03 |
 Mechanical Properties
Level | Steel grade | Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation |
PSL2 | B | 415-760 | 245-450 | As per API 5L |
PSL2 | X42 | 415-760 | 290-495 | As per API 5L |
PSL2 | X46 | 435-760 | 320-525 | As per API 5L |
PSL2 | X52 | 460-760 | 360-530 | As per API 5L |
PSL2 | X56 | 490-760 | 390-545 | As per API 5L |
PSL2 | X60 | 520-760 | 415-565 | As per API 5L |
PSL2 | X65 | 535-760 | 450-600 | As per API 5L |
PSL2 | X70 | 565-758 | 483-621 | As per API 5L |
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Diesel Engine water pump is a common industrial equipment, which is widely used in agriculture, construction, engineering, fire protection and other fields. Its main function is to convert the power generated by the diesel engine into the power of water, so as to realize the delivery and supply of water. This article will introduce the working principle, structural characteristics, application fields and maintenance of diesel engine water pump.
The working principle of the diesel engine water pump is to use the power generated by the combustion capacity of the diesel engine to transmit the power to the water pump through the connecting rod mechanism, so as to drive the water pump to work. The working process of diesel engine water pump can be divided into three stages: water absorption, water pressure and drainage. In the suction stage, the diesel engine generates negative pressure through the up and down movement of the piston to draw water from the water source into the water inlet of the water pump; in the pressurized water stage, the piston of the diesel engine moves upwards to press the water into the pressurized water chamber of the water pump; in the drainage stage, the piston of the diesel engine moves downward to discharge the water from the outlet of the water pump.
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