91国产精品

Company

Professional Steel Pipe Integration Supporting Suppliers Since 1996
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91国产精品., Ltd is a subsidiary of Allianz Steel Group that specializes in the production of steel pipes and pipe fittings, steel inventory, domestic and foreign sales. We are committed to providing one-stop service for steel pipe products to customers around the world.

91国产精品 has leading technology of steel pipe production and research  at home and abroad, advanced and complete testing facilities .We strictly in accordance with the ISO 9001 quality management system for on-site management, has obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc. Our products have been inspected and approved by SGS, BV, MOODY, TUBOSCOPE and other international authoritative third-party organizations

Seamless Steel Tube

Types:Seamless steel tube, Line pipe, Boiler tube, Pressure tube, Fluid Transportation Pipe, Machining Tubes, Heat exchanger and Condenser tube etc

Hot Rolled Seamless Pipe: Size:OD:桅32-桅356mm; Thickness:3-50mm; Max Length:50m

Hot Expanded Seamless Pipe: Size:OD:桅356-桅1200mm; Thickness:8-50mm

Cold Rolled Seamless Pipe: Size:OD:桅20-桅273mm; Thickness:1-32mm

Cold Drawn Seamless Pipe: Size:OD:桅20-桅273mm; Thickness:1-26mm; Max Length:25m

Steel Material ASTM A178/179/192/210, A106, EN10216-1/2, DIN17175/1629, JIS G3454, etc.

Steel Grade:A179,A192,GR.A/B/C, P235TR1/2, P235GH, ST45.8, ST37,STB340, STB440,15MoG, 15CrMoG, 16Mn,13CrMo4-5, etc.聽 聽 聽 聽 聽 聽 聽 聽 聽聽

Advantages:

* The 3rd Party inspection certificate :TUV 3.2, SGS 3.2 ect.

*Competitive p rice: offer the most competitive p rice 聽in the steel industry, and will try our best 聽to meet your target price;

*Flexible payment terms: T/T, L/C at sight, 30days , 60days and so on;

Welcome to receive your inquiry, at least, you can have a try to see if our quality and service are better than your firm supplier.

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91国产精品&Tube

ERW:OD:21.3-610mm,WT:1.8-22mm

LSAW:OD:323.9-1820mm,WT:5-50mm

SSAW:OD:219.1-2540mm,WT:3.2-25.4mm


Why Choose Us

China's largest welded pipe manufacturer and include 5 factories.

We specialize in steel pipes/tubes such as ERW, LSAW, SSAW pipe

More than 20 years experience in this field, since 1996.

Production capacity over 2 million tons per year.

The export market covers more than 100 major countries and regions around the globe.

Stock more than 5000 tons per month in different materials and sizes.

Involved in more than 100 projects each year, covering the oil and gas pipeline, drilling, offshore, energy, construction industries.

Quality assurance: SGS, DNV, BV, TUV, API, ISO 9001:2000.

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Stainless Steel Pipe

Supplying Stainless Steel Pipe(SS) and various kinds of steel pipe.

Our products are manufactured using high quality materials. Customers can avail this range of products from us in different sizes, lengths, and specifications.

To make sure best quality product delivery, we check our offered products on various quality parameters under the direction of our skillful quality inspectors.

路 ASTM:   A312 TP 304 / 304L / 304H / 316 / 316L / 317 / 317L / 321 / 310 / 347 / 904L etc

路 Others:   Duplex, Super Duplex, Monel, Nickel, Inconel, Hastelloy

路 Types:   Round, Square, Rectangular

路 Size:   Upto 48鈥� NB. (Seamless & Welded)

路 Wall thickness:   Sch. 5S to Sch. XXS

Why us:  

路 Competitive price: we would try our best to meet your target price;

路 Flexible Pay Mode Terms:  L/C (Letter of Credit), T/T (Bank Transfer).

路 Short Delivery Time:   As per the client's schedule.

路 Perfect Packaging Details:   Durable and safe packaging.

路 Prompt feedback: all emails and questions would be replied within 2 working hours;

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Alloy Steel Pipe

Alloy Seamless Steel Pipe

Size:Outside Diameter: 1/8'' ~ 26'';Wall Thickness: SCH 30, 30, 40, 60, 80, 120, 140, 160, XS, XXS, STD; Length: Single Random, Double Random, Cut Length max to 23m

Alloy 91国产精品

Size:Outside Diameter: OD:6-720MM,WT:0.5-120MM, Length: Single Random, Double Random, Cut Length max to 23m

Standard & Grade:ASTM A691, ASTM A530/A530M, ASTM A335 (ASME SA335), ASTM A387, ASTM A213/213M etc, DIN17175-79, JIS3467-88,GB5310-95

Ends :Plain End, Beveled End, Thread End

Usage:In Petroleum, Aerospace, Chemical, Power, Boilers, Military Industry

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Coating Steel Pipe

Dealing with Coating Steel pipes (SSAW/LSAW/ERW/SMLS) service, stockist and logistics, with ASTM, JIS, DIN, EN, API, BS AS/NZ standards, supplying PEMEX, 聽PDVSA, etc

Bare pipe

SSAW

LSAW

ERW

SMLS

Production Range:

翱顿:219尘尘-3120尘尘听听听听听听听听听
WT: 3mm - 25mm

翱顿:16"-64"听听听听听听听听听
WT: max 50mm

翱顿:听1/8"-24"听听听听听听听
WT: max 26.5mm

翱顿:听1/8"-36"听听听听听听听听
WT: 1.25mm - 50mm

Length:

路聽Random Length聽聽 /聽聽 Fixed Length聽聽 /聽聽 SRL聽聽聽 /聽聽 DRL

Usage:

Mechanical Tubing
Liquid Transport Steel Pipe
General structure, mechanical structure
Transport liquid, gas, oil

Test:

1.Chemical Component Analysis聽 聽 聽 2.Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation)
3.Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc)
4.Exterior Size Inspection聽 聽5.Nondestructive Test (Ultrasonic flaw detector, Eddy current flaw detector)
6.Hydrostatic Test

Coating Type:

Fusion bond Epoxy Coating/聽Coal Tar Epoxy聽/3PE /2PE/FBE/2FBE/3PP Varnish Coating
Bitumen Coating聽聽/聽Black Oil Coating,Cement coated聽as per customer's requirement

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Oilfield Tubulars (OCTG)

Tubing pipe size:

OD: 聽1.050inch -聽4-1/2 inch

Casing pipe size:

OD: 聽4-1/2inch - 20inch

Drill Pipe

聽API 5DP, 2-3/8鈥欌�檦6-5/8鈥欌��, E75/X95/G105/S135.

Coupling

聽API 5CT, 1.9鈥欌��-20鈥欌��, K55/N80/L80/P110, STC/LTC /BTC

Standard & Material:

API 5CT H40, J55, K55, M65, L80-1, N80-1, N80Q, C90, P110, Q125

Tubing pipe end:

P鈥攑lain-end, N鈥攏on-upset, with threaded and coupled, U鈥攅xternal-upset, with threaded and coupled, I鈥攚hole joint or other special threads

Casing pipe end:

P鈥攑lain-end, S鈥攕hort round thread, L鈥攍ong round thread, B鈥攂uttress thread or other special threads

Drill Pipe:

API SPEC 5DP E75, X95, G105, S135

Pipe Length:

R1, R2, R3 or based on client鈥檚 requirements

Additional Products:

Pup joint, Coupling and other OCTG related products

Our advantage:

Rich experienced: Marketing /production/after-sales team, our partners :PDVSA, NIOC, SINOPEC, CNPC.etc

Flexible payment term: T/T. L/C at sight.

Quantity Control: 30,000 tons stockist each year,with 3,0000 square meters warehouse,Strict quality system: Complemented system including QC, logistics and documentation,Authoritative organizations.


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Pipe Fittings

Size Range:

Flange:1/2鈥� - 120鈥� ( DN 15 - DN 3000),Rating: 150, 300, 400, 600, 900, 1500, 2500;

Elbow:Size Range: 1/2鈥� - 24鈥� ( DN 21.3 - DN 610) for Seamless;26鈥� - 96鈥� ( DN 660 - DN 2438.4) for Welded.   

Reducer:Size Range: 1/2鈥� to 24鈥�

Tee:Size Range: 1/2鈥� - 24鈥� ( DN 21.3 - DN 610) for Seamless;26鈥� - 72鈥� ( DN 660 - DN 1828.8) for Welded.           

Material: Carbon Steel ASTM A234 WPB,Alloy Steel ASTM A234 WP1, WP5, WP9, WP11, WP22,Stainless Steel ASTM A403 304/316

Type: Seamless / Welded

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Valve

91国产精品's Product categories include gate valves, check valves, globe valves, ball valves, plug valves, butterfly valves, general valves, special valves, non-standard valves and valve accessories, etc., and are widely used in petroleum, chemical industry, electric power, mining, metallurgy, steel, coal preparation , alumina, papermaking, pharmaceuticals, sewage treatment and other industries, the products are exported to Southeast Asia, the Middle East, Europe, South America, Africa and other parts of the world.

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Product Value-Added Service

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Factory

Own Production Lines With Different Product, Factory Direct Sales, Wholesales Price
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We have our R&D platform.  91国产精品 Steel build Different product lines in each factory, Including 3 sets of hot-rolled production lines,10 cold rolling production lines, 4 oil casing production lines,API 5DP drill pipe production line,HFW and ERW welded pipe production lines, JCOE and HME production lines,8 spiral steel pipe production lines and 2 anti-corrosion and heat preservation production lines,stainless seamless&welded pipe production lines etc,these lines we can provide steel pipe cover different size,standard, material, length etc. In the R&D department, we enter into a strict quality control standard in each manufacturing process. Such as production, packing, transportation, etc. To ensure reliable product quality. To better serve the welded steel pipe global market. Meanwhile, to achieve high product quality. 
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  • Key features related to seamless square and rectangular pipes
    Galvanised square and rectangular pipe is a designation for square and rectangular pipes, which are steel pipes with equal sides. It is made of strip steel rolled through a process. Generally, the strip steel is unwrapped, flattened, curled, welded to form a round tube, and then rolled from the round tube into a square tube, and then cut the required length.

OUR CUSTOMERS

Our partners are throughout southeast Asia, the Middle East, Europe, Africa, South America, Oceania,and more than 80 countries and regions. We also provide many steel pipe products and services to the worlds top 500 petroleum and gas 

80+

Countries

1000+

Partners
Seamless Steel Pipe, Carbon Steel Pipe Manufacturers, Stainless Steel Pipe Suppliers, OCTG Oil and Gas
  • NO.246 Shidai Yangguang Blvd, Yuhua District, Changsha, Hunan, China.
  • Phone : 0086-731-86452683, 86452691, 86452692, 86452693
  • Email : sales@centerwaysteel.com

Products

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