- Model NO.: OD 88.9--660.4; WT 3.0--22mm
- Technique: ERW
- Surface Treatment: Black Paint/Galvanized/PE Coated
- Section Shape: Round
- Mill Test Certificate: Acc to En10204, 3.1b
- Coating Standard: DIN30670, ISO21809
- Commercial Trade Terms: CIF, CFR, Fob, EXW, as Demanded by Customers
- Transport Package: Bare Packing,Nest Packing
- Origin: China
- Type: Welded
- Material: Carbon Steel
- Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Water, Oil, Gas Transportation, Chemical, Construc
- Secondary or Not: Non-Secondary
- Certificates: API, ISO, Ce, ASTM, GB/T etc
- Third Part Inspection: BV, SGS, TUV, Also The Approval by Clients
- Trademark: CFST
- Specification: O. D. 88.9-660.4; WT 3.0--22mm
- HS Code: 7306190000
Product Description
SANS719:2008
Table 1 - Chemical composition and physical properties of steels
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Grade of pipe | Chemical Composition,%,max | Physical Properties,Min. | ||||||
C | Mn | P | S | Si | Yield Stressa Mpa | UTSb Mpa | Elongationc % | |
A | 0.20 | 0.90 | 0.04 | 0.020 | 0.04% Max. or 0.135% to 0.35% | 207 | 331 | 9 266 divided by numerical value of actual UTS |
B | 0.26 | 1.15 | 0.04 | 0.020 | 241 | 414 | ||
C | 0.28 | 1.25 | 0.04 | 0.020 | 290 | 414 | ||
a Applicable only to plate thicknesses not exceeding 18 mm. The yield stress for plate thicknesses above    18 mm shall be as agreed upon between the purchaser and the manufacturer. b UTS = Ultimate tensile strength c  On a gauge length of 5,65√A ,where A is the original cross-sectional area |
Table 2a - Preferred nominal bores, outside diameters and wall thicknesses of pipes .
Dimensions in millimetres
Blue Bold Written Size are our Production Dimension
1 | 2 | 3 | 4 | 5 | 6 |
Size(Outside Diameter | Nominal Bore | Wall Thickness | |||
219,1 273,0 323,9 |
200 250 300 |
4,5 5,0 6,0 |
6,0 6,0 8,0 |
8,0 10,0 10,0 |
12,0 Â |
355,6 406,4 508,0 |
350 400 500 |
6,0 6,0 6,0 |
8,0 8,0 10,0 |
10,0 12,0 Â |
 |
609,6 711,2 812,8 914,4 |
600 700 800 900 |
6,0 8,0 8,0 10,0 |
12,0 Â |
 |  |
1016 1220 1420 |
1000 1200 1400 |
 |  |  |  |
1620 1820 2020 |
1600 1800 2000 |
 |  |  |  |
2230 | 2200 | Â | Â | Â | Â |
Commodity | API 5L GR.B ERW Steel Pipes |
Outer Diameter |
88.9mm---660.4mm |
Thickness | 3mm--22mm |
Length | 3m--20m |
Tolerance | Meet the Standard or acc to your requirement |
Standard | BS EN 10219, EN 10217, EN10224, ASTM A53, A106, API, JIS G3444, and GB/T3091, GB/T9711 |
Grade | S235-S355, L235-L355, P195-P460, GR. A, GR. B, X42 ~ X70, J55, STK400, STK500,SS400, Q195, Q215, Q235, and Q345, |
End Treatment | Beveled or Squared Cut, with or without Caps |
Surface Treatment |
Varnished, 3PE, 3PP, FBE, Galvanized etc coated. |
Application | Oil, gas, water transportation, piling, chemical&construction use. |
Delivery Time |
15---35Days |
Supply Ability | 30000 metric tons per month. |
API ERW Carbon Steel Pipes
Standard related to Grade:
No. | Name | Standard | Grades | Application |
1 | Casing Pipes | API 5CT | H40,K55, N80-1,J55 |
For oil-gas well casing |
2 | Line Pipes | API Â 5L | A, B--X70 L210--L485 |
For the pipeline transportation of oil and natural gas |
3 |
Welded Steel Tubes For Pressure Purposes |
EN10217-1 | P195TR1 P195TR2 P235TR1 P235TR2 P265TR1 P265TR2 |
Welded Steel Tubes For Pressure Purposes |
Chemical Analysis(%):
Type of pipe | Class | Grade | C | Si | Mn | P | S | V | Nb | Ti |
max | max | max | max | max | max | max | max | |||
Welded | PSL1 | L245 B | 0.26 | - | 1.2 | - | 0.03 | 0.03 | - | - |
L290 X42 | 0.26 | - | 1.2 | - | 0.03 | 0.03 | - | - | ||
L320 X46 | 0.26 | - | 1.2 | - | 0.03 | 0.03 | - | - | ||
L360 X52 | 0.26 | - | 1.2 | - | 0.03 | 0.03 | - | - | ||
L390 X56 | 0.26 | - | 1.2 | - | 0.03 | 0.03 | - | - | ||
L415 X60 | 0.26 | - | 1.2 | - | 0.03 | 0.03 | - | - | ||
L450 X65 | 0.26 | - | 1.2 | - | 0.03 | 0.03 | - | - | ||
L485 X70 | 0.26 | - | 1.2 | - | 0.03 | 0.03 | - | - | ||
PSL2 | Â L245M BMÂ | 0.22 | 0.45 | 1.2 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | |
L290M X42M | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | ||
L320M X46MÂ | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | ||
L360M X52MÂ | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | - | - | - | ||
L390M X56MÂ | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | - | - | - | ||
L415M X60M | 0.22 | 0.45 | 1.6 | 0.025 | 0.015 | - | - | - | ||
L450M X65MÂ | 0.22 | 0.45 | 1.6 | 0.025 | 0.015 | - | - | - | ||
L485M X70MÂ | 0.22 | 0.45 | 1.7 | 0.025 | 0.015 | - | - | - | ||
L555M X80MÂ | 0.22 | 0.45 | 1.85 | 0.025 | 0.015 | - | - | - |
Warehouse and Stock Indoor:



Manufacture Process:

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