With our flexible business model, we constantly pursue innovation and win the support and trust of our customers with high-quality chrome steel bar, Carbon Steel Seamless Honed Tube, 1.2T Welding Positioner. Our products are exported to many countries and regions. We looking forward to cooperation with you in the future. We always adhere to the tenet of 'survive by quality, innovation by technology, market-oriented, and user-oriented' to provide customers with high-quality products and first-class services. We wholeheartedly cooperate with new and old customers from all walks of life to create a brilliant future! We always pay high attention to putting the advanced managerial knowledge and manufacturing technique into practice. We've got our personal factory and sourcing office.
Ck20 Rolled Tube Introduction
Honed Tubes are presicion tubes with smooth inside, they also could be skived and burnished pipe. Tubes or pipes inside tolerance could be H10, H9 or H8. Outside tolerance, wall thickness tolerance are produced according to seamless cold drawn tubes for precision application standard GB/T3639-2009,EN10305 or DIN2391 standard. Material SAE1020, 20#, ST45, CK45, ST52, E355 tubes and so on for you to choose.
Ck20 Rolled Tubes technical parameters and Details
Application: hydraulic cylinder, pneumatic cylinder, oil cylinder, telescopic cylinder.
Original: Jiangsu, China
Certification: ISO9001.
Material: SAE1020, 20#, ST45, CK45, ST52, E355
Payment term: TT, LC
Delivery date: usually 20 to 40 days.
Packing: packed in bundle, oiled inside, with caps on both ends.
Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: Depends on exact size and material.
Size and Tolerance:
Working method | Cylinder ID （mm） | Length （m） | Straightness （mm/m） | Tolerance on ID | Tolerance on WT | Roughness （μm） |
Cold drawn | 40-320 | ≤12M | 0.2-0.5 | / | ±5% | 0.8-1.6 |
Cold rolling | 30-100 | ≥12M | 0.2-0.5 | / | ±5% | 0.8-1.2 |
cold drawn- honed | 40-500 | 8M | 0.2-0.3 | H8-H9 | ±5% | 0.2-0.8 |
Cold drawn-skived | 40-400 | 7M | 0.2-0.3 | H8-H9 | ±5% | ≤0.4 |
Deep hole boring- honed | 320-400 | 8M | 0.2-0.3 | H7-H9 | ±8% | ≤0.8 |
Deep hole boring- skived | 320-400 | 7M | 0.2-0.3 | H8-H9 | ±8% | ≤0.4 |
Size list: (if you need other sizes, please let us know)
Quality control
1. We only buy raw material from famous tube factory, and Checking raw material quality before production.
2. We check the tube ID tolerance, OD tolerance and surface after cold drawn one by one.
3. We inspect the honed tube inside tolerance and surface again one by one after honing or skiving.
Packaging & Delivery
Packaging Details | in bundle, with plastic caps, anti-rusted oiled, with woven bags |
Delivery Time | Shipped in 20 days after payment |
Years of Cold Rolled Stkm13A JIS G3445 Carbon Steel Tube sales history makes us have a profound understanding of advanced products in the process of communication and learning with foreign advanced manufacturers. With increasing competition in the market, more and more companies have improved their competitiveness with high-quality, personalized products and services. Our goal is to work hard and to make ourselves less empty talk so as to provide a reliable choice and backing for the majority of enterprises .
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