Products Descriptions
โย Product name:ย ย Hot Rolled Cylinder Tube
โย Standards: AISI, ASTM, BS, DIN, GB, JIS
โย Place of origin: Tianjin, China (Mainland)
โย Brand name: Runfei
โย Payment terms: L/C, T/T (30% deposit)
โย Certifications: ISO 9001, SGS, RoHS Directive-compliant
โย Packing details: Standard seaworthy packing, horizontal type and vertical type are all available
Our Advantages
โย We can provide factory price with trading company services
โย We control production quality very strictly to keep none compensation
โย We guarantee 24 hours response and 48 hours solution providing service
โย We accept small order quantity before formal cooperation
โย We offer good quality with reasonable price, faster delivery with better payment terms
โย We have professional teams and the factory
โย It’s very important for a company to be honest in the process of trading and so do we
Process method: Hot rolled/ Hot expansion/ Cold drawn
Size: (mm)
O.D: 60.3mm-914.4mm
W.T: 3.91mm-59.54mm
Length: 5-12m as per customer’s requirements
Material: A53, A106 Grade B, A106 Grade C, Q235, Q345, ASTM A519 37Mn, 34CrMo4. (10, 20, 30, 35, 45, 16Mn, 5MnV, 40Cr, 30CrMnSi, 45Mn2, 40MnB, etc)
Description:
(1) Product Name : Hot Rolled / Hot expansion Seamless Carbon Steel Pipe
(2) Brand: Runfei Steel
(3) Specification: O.D : 60.3mm-914.4mm W.T : 3.91mm-59.54mm
(4) Standard: ASTM A106-B ASTM A53-B API 5L-B, API 5L, X42, X52, and 5CT ,J55 ,K55, SAE1020, SAE1045, JIS G4051, S20C ,S45C, JIS G3454, JIS 3454 ,STPG42, DIN 17175 ST 45-8, ST 52
(5) Tolerance: OD: +1% / -1% WT: +12.5% / -10%
(6) Technics: Hot rolled .or cold rolled
(7) Package: Bundles,seaworthy wooden cases,container
(8) Ends: Bevel or plain
(9) Coating: Internally bare, externally varnished
Specifications:
Production process of hot rolled tubes:
Hot rolling โ heating โ piercing โ three roller helical rolling, tandem rolling or extrusion โ tube knockout โ sizing or tube diameter reduction โ cooling โ semi-finished hot rolled seamless pipe โ straightening โ water pressure test โ labeling โ warehousing.
Classifications:
Hot rolled seamless steel tubes can be classified into the common steel pipe, low and medium pressure boiler seamless steel tube, high pressure boiler seamless pipe, stainless steel hot rolled pipe, and more.
Advantages:
Due to our adoption of hot rolling process, the original casting structure of the steel slab for making hot rolled pipe is destroyed. This means that the crystalline grains of steel material are refined, and the defects of the microstructure of steel slab are eliminated, which results in improved mechanical performance and denser microstructure of steel materials along the rolling direction.
Hence, our hot rolled seamless steel pipe features good mechanical property and superior intensity.
Regular Hot Rolled Pipe Sizes: (Or per customers’ requirements)
| OD ร WT (mm) | OD ร WT (mm) | OD ร WT (mm) | OD ร WT (mm) | OD ร WT (mm) |
| 12ร1.5 | 133 ร4๏ฝ12 | 406.4ร6๏ฝ25 | 73ร4-4.5-5-6-7-8-9-10-12-15 | 219ร30-40 |
| 14ร1.5-2.5-3 | 141.3ร4๏ฝ12 | 426 ร6๏ฝ25 | 76ร4-4.5-5-6-7-8-9-10-12-14 | 245ร8-10-14-17-20-22 |
| 16ร1.5-2.5-4 | 159 ร4๏ฝ12 | 457 ร6๏ฝ38 | 83ร4.5-5-10/ 12 14 16 18 20 | 245ร25-28-30-34-40 |
| 18ร2.3-4-5 | 165 ร4๏ฝ20 | 508 ร6๏ฝ38 | 89ร4.5-8-10/12-14 16 -18 20 | 273ร7-9-12-15-18-20-25 |
| 20ร2.5-3-5 | 168.3ร4๏ฝ20 | 530 ร6๏ฝ40 | 95ร4.5-6-8/10-12-14-16-20 | 273ร30-35-38-40 |
| 24ร2.5-3-4-5-6 | 177.8ร4๏ฝ22 | 559 ร6๏ฝ40 | 102ร4.5-5-6-7-8-10-12-14-16-20 | 299ร8-12-16-20-24-28 |
| 25ร2.5-3-4-5-6 | 323.8ร6๏ฝ25 | 610 ร6๏ฝ40 | 108ร4.5-5-6-7-8-10/12-14-18-20-22 | 299ร30-32-36-38-40 |
| 28ร3-3.5-4-5-6 | 340 ร6๏ฝ25 | 630 ร6๏ฝ40 | 114ร4.5-5-6-7-8-10-12-14-18-20 | 325ร8-12-14-18-38 |
| 32ร3.5-4-5-6-8 | 355.6ร6๏ฝ25 | >630ร6๏ฝ44 | 121ร4.5-5-6-7-8-10-12-14-16-20 | 325ร28-32-34-38 |
| 34ร4-5-6-8 | 377 ร6๏ฝ25 | <914ร6๏ฝ60 | 127ร4.5-5-6-7-8-10-12-14-16-20 | 351ร10-16-20-25-40 |
Applications:
Transportation of oil, gas or fluid,Construction,Electricity,Machine building industy,Chemical industy, Petroleum, Traffic, etc.
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