TIANJIN CITY JINGHAI COUNTY BAOLAI INDUSTRIAL AND TRADE CO., LTD.
STEEL PIPE SINCE 1991 & API 5L, UL, ISO, TUV, JIS, PED, CE CERTIFIED
PRODUCT DESCRIPTION
ERW STEEL PIPES TAKE ELECTRIC RESISTANCE / HIGH FREQUENCY INDUCTION WELDING TECHNIQUE,WIDELY
USED FOR OIL AND GAS PIPELINE, FLUID TRANSMISSION AND STRUCTURAL PURPOSES.
PRODUCT
ERW STEEL PIPE
DIAMETER
21.3mm-610mm
THICKNESS
1.8mm-22mm
LENGTH
SRL/DRL, 20FT/ 40FT, FIXED or SPECIAL REQUIRED LENGTH
PIPE ENDS
PLAIN, BEVELED, CUT SQUARE, GROOVED, THREADED AND COUPLING, SPIGOT
AND SOCKET
SURFACE
TREATMENT
LACQUER PROTECTION, ANTI-RUST OIL, ANTI-CORROSION COATING, HOT
DIPPED GALVANIZED
PACKING
STANDARD EXPORT PACKAGE (PLASTIC WRAPPING, LACQUER PROTECTION,
PLASTIC CAPS)
STANDARD
API 5L, API 5CT, BS 1387-1985, BS EN39, ASTM A53, ASTM A500, ASTM A795,
ASTM A513, ASTM A252-98, JIS G3444-2004 STK400/500, JIS G3452-2004,
EN 10219-1, EN10217-1, EN10217-2, EN 10255-1996, DIN 2440, etc.
MATERIAL
A, B, X42, X46, X52, X56, X60, X65, X70, Q195 - Q345, Grade 1, Grade 2, Grade 3,
ST33-2, St33, St37, St42, St34-2, St37-2, St42-2, St52-3, P195, P235, P265,
S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, STK400 etc.
APPLICATION
- PIPELINE TRANSPORTATION SYSTEMS IN PETROLEUM AND NATURAL GAS
INDUSTRIES
- CASING AND TUBING FOR WELLS
- BS1387 SCAFFOLODING STEEL PIPES
- GENERAL CONSTUCTION AND STRUCTURAL PURPOSES FOR BRIDGES AND
BUIDINGS, PILING PROJECTS, ETC.
- LOW PRESSURE FIUID TRANSPORTATION
MTC
EN 10204/3.1B
INSPECTION
CHEMICAL COMPONENT ANALYSIS, MECHANICAL PROPERTIES (TENSILE
STRENGTH, YIELD STRENGTH, ELONGATION), TECHNICAL PROPERTIES
(FLATTENING TEST, BENDING TEST, HARDNESS TEST, IMPACT TEST),
HYDROSTATIC TEST, X-RAY TEST, UT, EXTERIOR SIZE INSPECTION
MARKET
NORTH AMERICA, SOUTH AMERICA, EASTERN EUROPE, SOUTHEAST ASIA,
AFRICA, OCEANIA, MIDDLE EAST, EASTERN ASIA, WESTERN EUROPE
Manufacturing Flow Chart
Our Service
BAOLAI HAS STRONG TECHNOLOGY FOR FURTHER PROCESS OF STEEL PIPES. OUR PRODUCTS ARE VERY OUTSTANDING
IN TIANJIN AT THE ASPECT OF PIPE QUALITY AND APPEARANCE. MOST TRADING COMPANIES AND FACTORIES
COOPERATE WITH BAOLAI FOR GALIVANING, CUTTING, BEVELING, GROOVING, THREADING PROCESSES.
CUTTING
WE OFFER PRECISION CUTTING ON LENGTH OF PIPES WITH WIDE RANGE.
THE TYPE OF CUTTING USED DEPENDS ON BOTH SIZE OF PIPE AND REQUIRED
PRECISION. THE TOLERANCE RANGES FROM 1/8"THRU 1/64".
BEVELING
WE CAN APPLY ANY TYPE OF BEVEL TO ANY DEGREE REQUIRED. BEVELING CAN
BE APPLIED TO THE FACE OF ANY SIZE OR DIAMETER OF PIPE.
THREADING
THREADED PIPES CAN PROVIDE AN EFFECTIVE SEAL FOR PIPES TRANSPORTING
LUQUIDS, GAS, STEAM AND HYDAULIC FLUID. WE THREAD ANY LENGTH OF PIPE
IN DIAMETERS RANGING FROM 1/8" THRU 8". TAPERS ARE AVAILABLE ARE NPT,
NPS, 3/16" PEERLESS & 8 ROUND TAPER.
GROOVING
ROLL GROOVING CAN BE DONE IN ANY STYLE ACCORDING TO INDUSTRY STANDARDS.
IT CAN BE APPLIED TO ANY LENGTH OF PIPE RANGING FROM 1"-12" DIAMETERS.
HOLE
DRILLING
DRILLING CAN BE DONE IN ANY STYLE ACCORDING TO THE INDUSTRY STRANDARDS
AND CUSTOMER'S REQUESTS.
PACKING & SHIPPING
COMMON PACKAGE( EXPORT STANDARD PACKAGE): 1/2" - 8" PIPES PACKED INTO BUNDLES WITH GI STRIP OR
SPECIAL MATERIAL LIKE PET STRAPS, PLASTIC CAPS AND WRAPPING; 10" AND ABOVE PIPES DELIVERED
IN LOOSE PIECES, PLASTIC CAPS
WHY CHOOSE US?
FACTORY STRENGTH:
* 8 PRODUCTION LINES FOR WELDED STEEL PIPES;
* 6 LINES FOR GALVANIZING PROCESS;
*STRONG TECHNOLOGY TO FURTHER PROCESS PIPES, LIKE GROOVING, CUTTING, THREADING, HOT DRILLING, ETC.
CERTIFCATION & AWARDS
API-5L, API-5CT, UL852, TUV 97/23/EC, LR BC1:2012 SINGAPORE, ISO9001, ISO14001, OHSAS18001, PED,
AD2000-WO, FPC, JIS G3452, JIS G3444, DIN EN ISO 3834-3;
* "BAOLAI" STEEL PIPE IS AWARDED AS FAMOUS BRAND IN TIANJIN
* TOP TEN COLLECTIVE AND PRIVATE EXPORTERS OF TIANJIN
* CREDIT RATED "AAA" by BANKS
* TOP 100 ENTERPRISES IN TIANJIN
FAQ
1. WHAT IS ERW STEEL PIPE?
PIPE FORMED BY ELECTRIC RESISTANCE WELDING OR HIGH FREQUENCY INDUCTION WELDING HAVING ONE
STRAIGHT SEAM WITHOUT ADDITION OF ANY METAL IS CALLED ERW PIPES OR TUBES. IT CAN BE AVAILABLE
IN VARIED DIAMETERS AND WALL THICKNESS. THE SIZES OF PIPES ERW PIPES RANGE FROM 1/2
INCH TO 24 INCH OUTER DIAMETER.
2. HOW LONG DOES BAOLAI HAVE MANUFACTURED WELDED STEEL PIPES?
BAOLAI STARTS TO MANUFACTURE PIPES SINCE 1991 AND OWNS 8 PRODUCTION LINES FOR WELDED STEEL PIPES NOW.
ITS ANUAL PRODUCTION CAPACITY COULD REACH 1,500,000 TONS.
Door panel: door panel is made of stainless steel 304 with no frame. Core materials are paper honeycomb, aluminum honeycomb, PU, EPS and etc. The installation sites of door lock, door closer and hinge are reinforced with square tubes of more than1.5mmthickness which are compression moulded by special technology.
Door frame: it is made of completely stainless steel 304. The connection types with wallboards are double-clip type and aluminum connection. The former is applied mostly to machine made wallboard and the latter hand made wallboard. The accessories are double window and lift type sweeping bar. The lock can be famous door lock or the owners can select lock brands themselves.
Specification: common sizes 800X2100, 900X2100, 1500X2100 or1800X2100, can customize to customers` requirements, the materials can be selected according to customers` requirements such as306Lor other special materials.
Features: the stainless steel 304 door we produced are of elegant appearance, sturdy and durable, acid and rotting resistance and thermal insulation. It is the first choice for high-end projects at home and engineering concerning foreign affairs that requires for anticorrosion and high quality such as electronics factory and food factory
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