OD 15-75mm
Free
Free
Seamless
Cold Drawn
Carbon Steel
Oiled
Hydraulic/Automobile Pipe, Machinery Industry, Special Purpose
Round
Yes
Od15-70
1-20mm
Bright
Yes
bluesky pipe
Bund
China
7304319000
Product Description
Fujian Blue sky pipe Manufacturing Co, Ltd., formerly known as Zhejiang Blue sky Steel pipe Manufacturing Co, Ltd., moved to Wendu Industrial Zone, Fuding in 2013.The company covers an area of 26600 m²,construction area of 11800 m²,specializing in the production of seamless steel tubes/pipes for more than 30 years.




Material | 10#-45#, 16Mn, A53-A369, Cr-Mo alloy, Q195-Q345, ST35-ST52, 10#, 20#, 45#, 16Mn, A213, A315, 30CrMo, Q195, Q215, Q235, Q345, ST35, St37, St45, St52 |
Surface | Black/ Bright |
Standard | DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094- 2000, GB/T3639, JIS G3101 |
Size | OD 15mm-75mm |
Thickness 1-14mm | |
Processing | Cold rolled/ Cold drawn |
1. BK (+C) No heat treatment after last cold forming process. | |
2. BKW (+LC) After last heat treatment there is a light finishing pass ( cold drawing) | |
3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. | |
4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. | |
5. NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. | |
Packing | Woven bag/ Wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. |
Delivery time | Normally 20-30 working days |
steel grade | +C(BK) | +LC(BKW) | +SR(BKS) | +A(GBK) | +N(NBK) | |||||||
Rm(Mpa) | A(%) | Rm(Mpa) | A(%) | Rm(Mpa) | Reh(Mpa) | A(%) | Rm(Mpa) | A(%) | Rm(Mpa) | Reh(Mpa) | A(%) | |
10 | 430 | 8 | 380 | 10 | 400 | 300 | 16 | 335 | 24 | 320~450 | 215 | 27 |
20 | 550 | 5 | 520 | 8 | 520 | 375 | 12 | 390 | 21 | 440~570 | 255 | 21 |
35 | 590 | 5 | 550 | 7 | - | - | - | 510 | 17 | ≥460 | 280 | 21 |
45 | 645 | 4 | 630 | 6 | - | - | - | 590 | 14 | 540 | 340 | 18 |
25Mn | 650 | 6 | 580 | 8 | 580 | 450 | 10 | 490 | 18 | - | - | - |
Q355B | 640 | 4 | 580 | 7 | 580 | 450 | 10 | 450 | 22 | 490~630 | 355 | 22 |
Q420B | 750 | 4 | 620 | 8 | 690 | 590 | 12 | 520 | 22 | 550~700 | 425 | 22 |
25CrMo | 720 | 4 | 670 | 6 | - | - | - | - | - | - | - | - |
42CrMo | 720 | 4 | 670 | 6 | - | - | - | - | - | - | - | - |