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| Application | Hydraulic Pipe | Standard | DIN |
| Grade | 45# ST52 25Mn 20# 20MnV6 42CrMo4 40Cr | Certificate | ISO 9001 |
| Alloy Or Not | Non-Alloy | Section Shape | Round |
| Surface Treatment | Cold Rolled | Length | 6 m, 12 m, 6.4 m |
| Tolerance | F7, F8, customizable | Special Pipe | Other |
| Oiled or Non-oiled | Slightly Oiled | Processing Service | Cutting |
| Delivery Time | 31 ~ 45 days | Invoicing | By Actual Weight |
| Outer Diameter | 30 - 500 mm | Material | C20 ST52(E355) SAE1026 CK45 4140 STKM 13C |
| Packing | each piece is wrapped in a waterproof paper bube | MOQ | 2 Tons |
| Payment terms | 30%T/T Advance + 70% Balance | salt spray test | Level 9 150-300 houes |
| Chromium plating thikness | 0.02mm-0.5mm | Surface roughness | ≤0.05μm |
| Straightness | ≤0.0mm/m | Quenching and tempering hardness | HB220-360 |
| High- frequency quenching | HRC50-60 |
China Loong Carbon Steel Co.,Ltd. Behind the growth and success are years of hard work and dedication in the steel industry and meeting customer needs on time. Advanced technology, standard products, certified quality standards and the best customer service make China Loong Carbon Steel Co.,Ltd. To be a true leader in the global market.
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Every industry has its unique set of material specifications and needs. That’s why you can count on the exceptional experience and industry knowledge of the professionals at Loong Carbon Steel - Meeting the Exact Needs of Every Industry That Uses steel.
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