20 - 40,000 ton
40,001 - 999,999 ton
group nameTYT STEEL SCAFFOLDING
Min Order20 ton
brand nameTYTSTEEL
payment methodT/T, L/C, D/P D/A, MoneyGram, Credit Card, Westem Union, Escrow
update timeTue, 22 Apr 2014 14:19:33 GMT
Standard BS, JIS, GB, ASTM
Standard BS 1387, BS 1139, BS 4568, BS EN 39, JIS G3444-2006, GB/T 3091-2001, ASTM A53-2007
Grade A53-A369, ST35-ST52, Q195-Q345
Grade A53(A,B), St37, St52, St42, Q235, Q345, Q195, Q215
Thickness 1.2 - 10 mm
Section Shape Round
Outer Diameter 20 - 273 mm
Secondary Or Not Non-secondary
Application Electrical,Fluid,construction scaffolding and conduct pipe
Technique ERW
Certification ISO9001:2008
Surface Treatment Galvanized
Alloy Or Not Non-alloy
Length 4 to 12meter
Zinc coating content 260-350 g/m2
Brand TYSTEEL
Life Over 10 years
Surface treatment Galvanized
Ends Screwed both ends and complete with one solid coupling(socket)
Usage Electrical,water transportation and conduct pipe
Min Order20 ton
SIZE | Outside Dia.of Black/ Galvanized Tube | Thickness | Unit Weight/ Plain Ends | Pieces | Remark | |||||||
NB(mm) | Inches | mm | Inches | mm | Inches | Kg/Ft. | Kg/Mtr. | Per bundle | T/T,L/C | FOB, CFR, CIF | ||
15-250 | 0.5-10 | 19-273 | 0.75-10.75 | 1.2-10 | 0.0047-0.394 | (O.D.-W.T.)*W.T.*0.02466*1.04 | Factory STD | MOQ | ONE FCL | |||
TOLERANCE | :a)On specified OD+/-0.5(Ovality0.5mm) | |||||||||||
:b)The Inside Diameter of tubes shall allow insertion of a guage of (O.D.-2W.T.-2)mm dia for a minimum length of 200mm | ||||||||||||
:c)On wall thickness -10% | ||||||||||||
:d)The mass deviation on a single tube shall not exceed -7.5% of the specified mass. | ||||||||||||
ENDS | :Cut cleanly and nominally square with the axis of the tube and free from excessive burrs. | |||||||||||
PROPERTIES | :a)Chemical (Maximum) C - 0.20%, SI - 0.05%, MN - 1.40%, P - 0.04%, S - 0.045%, AL - Min. 0.02%. | |||||||||||
:b)Mechanical = UTS - 340 to 520 N/mm2, YS - 235 N/mm2 (minimum) & %Elongation on 5.65 S0 - 24% (minimum). | ||||||||||||
FLATTENING TEST WELD AT 90 DEGREES (COLD) | a)For weld : Distance between the platens, measured under load is not greater than 75% of the OD of tube. | |||||||||||
b)For Material :Distance Between the platens, measured under load is not greater than 60% of the OD of tube. | ||||||||||||
STRAIGHTNESS | :1 in 500 (In 1 meter it should not exceed 3mm). | |||||||||||
ZINC COATING (GALVANIZING) | :Minimum local coating thickness on the outside surface 40 microns | |||||||||||
MARKING | :a)We can emboss mill sign "EN 39 UTP 3 or 4." OR ''BS1387-1985'' online at every one meter interval over the length of pipe. | |||||||||||
b)We can do online stencilling as per customer needs. | ||||||||||||
PACKING | :Small OD in Hexagonal type. :Woven cloth with 8 slats :Big OD in bulk | |||||||||||
MILL TEST CERTIFICATE & THIRD PARTY INSPECTION | :We can issue a MTC, certifying that the tubes supplied comply with this Standard. | |||||||||||
USAGE | :a)For low pressure liquid transportation, such as oil ,water ,gas …etc. | |||||||||||
:b)Fabrication of steel manufacture, G.I. greenhouse, Furniture making,Fencing, TV standard,Scaffolding pipe…Etc. | ||||||||||||
PLACE OF ORIGIN | P.R. CHINA | |||||||||||
TARGET MARKET | Brazil ,Chile, America,Indonesia,Nigeria,Ethiopia,Jordan, Dubai,Spain,Poland,etc. | |||||||||||
H.S. CODE | 7306309000 | |||||||||||
CAPACITY | 250000TONS PER YEAR | |||||||||||
PIPE FITTINGS & PROCESSING | Threading with plastic caps protected,nuts,slotted,coupling, | |||||||||||
COMPANY INFO. | Professional & reputed manufacturer in the field of black pipe (carbon steel welded pipe)& white tube(galvanized steel pipe)- Tianjin Rongxin Steel Co.,ltd.,locating steel basic- Daqiuzhuang Town,Tianjin City,China | |||||||||||
CONTACT US | Mr.Song Hongking Mobile Ph.:+86 13682134391 Tel/Fax:+86 22 28895591 Skype ID: hokiersong |
Electrical resistance welding pipe making flow chart:
Galvnaized pipe making flow chart:
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