Chinese Factory Supply Stainless Steel Seamless Pipe Steel Tube 304 304L 316 316L 321 347 347H 310S 310h 310 314 Stainless Steel Seamless Pipe Seamless Tube

• Customization: Available
• After-sales Service: 5 Years
• Warranty: 5 Years
• Model NO.: 300 series
• Type: Seamless
• Technique: Cold Finished/Argon Arc Welding
• Material: Stainless Steel
• Surface Treatment: Annealing and Pickling/Polished
• Usage: Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose, Excellent Corrosion Resistance
• Section Shape: Round
• Length: Customized by Client and Typically 6000mm
• Tolerance: According to The Standard /Requirement of Customer
• Test: Ut, Et, Ht, Rt, Ect/as Request of Cu
• Outer Diameter: 6.35mm--762mm
• Thickness: 0.51mm - 50.8mm
• Material Grade: 304 304L 316 316L 321 904L ISO TUV PED SGS
• Model Number01: A53 Q235 Q345 Q195
• Transport Package: Sea-Worthy Packing
• Specification: OD 6.35~762mm; WT 0.51~50.8mm
• Trademark: GAOSHENG
• Origin: China
• HS Code: 7304419000
• Production Capacity: 1000tons/Month

Product Description

Our company mainly work on stainless steel pipe and tube, plate and sheet, rod and bar,
Material covered with Austenitic stainless steel, Ferritic steel, Nickel, Nickel based alloy, Inconel alloy, Incoloy, Hastelloy, high temperature resist alloy
Type of pipe and tube both in seamless and weld, according to final surface finished they can be classify into A&P(annealing and pickling) finished, BA(bright annealing) finished, EP(electropolishing electrolytic polishing),MP(mechanical polishing)
High-grade roughness for EP electropolishing tube, within 0.4um (micron) for outside/outer surface, within 0.2um (micron) for inside/inner surface
Detail of covered material/Grade
300 series austenitic: 304 304/304L 304H 30432(super 304H)321 321H 316 316L 316/316L 316H 317 317L 317LN 347 347H 310S 310H 310 314  S30815(253MA)

Duplex Grade and super duplex grade: 31803 UNS S31803 32205 2205 UNS S32205 32304 UNS S32304
Super duplex: 2507 32750 UNS S32750 32760 UNS S32760 
Super austenitic: AL6XN N08367 N08904 904 904L S31254(254SMO)

Ferritic/Ferrite and Martensitic/Martensite 400 series: 405 410 430 409 439 429 430Ti
Nickel and Nickel alloy series:
Inconel: Inconel 600 N06600 Inconel 601 N06601 Inconel 625 N06625 Inconel 690 N06690
Hastelloy : Hastelloy B3 N10675 Hastelloy C 276 N10276 Hastelloy C 22 N06022 Hastelloy G35 N06035 Hastelloy G30 N06030
Monel: Monel 400 N04400
Incoloy: Incoloy800 N08800 800 Incoloy800H 800H N08811 Incoloy825 825 N08825 N08810 8810 Incoloy718 N07718 GH4169
Aolloy: Alloy 20 N08020 incoloy 20 Alloy 28 N08028 inc oloy 28 Alloy 31 N08031 incoloy 31
Nickel: N02200 Ni200  N02201 Ni 201
tubo de acero sin costura
бесшовная стальная труба
tubería de acero inoxidable
tubo di acciaio inossidabile     
Product application
Stainless steel pipes are widely used in various industries because of their excellent corrosion resistance, high temperature and high pressure resistance, while having high strength and plasticity. The following is some common application information of stainless steel industrial pipes in different industries:
Oil and gas industry Chemical and petro chemical industry Pharmaceutical industry construction and architecture Automotive industry power plant and nuclear Energy industry Marine engineering Aerospace and Defense Medical devices Boiler pipes Heat exchanger pipe plumbing and water supply environmental and water treatment

Stainless steel clean tube, also known as seamless clean tube or high purity clean tube, has excellent surface quality and cleanliness, and is widely used in many fields with high requirements for clean environment and high purity. Such as:
Semiconductor industry Optoelectronics industry Pharmaceutical industry Food and beverage industry Aerospace industry Display manufacturing industry Laboratories special gas transit solar energy new energy Stainless steel clean tube is mainly used in industries with high requirements for cleanliness and high purity.

SITE MANAGEMENT & TECHNOLOGY STANDARDIZATION

As a long-established stainless steel pipe/tube manufacture, our objective is In line with the international stainless steel pipe industry, so we attach great importance to the construction and promotion of process standardization, optimize and improve the production process constantly, we learn international site management specifications try to close our foreign customer's custom and proove our product quality, site management.

 

QC QUALITY CONTROL

Quality control is a crucial aspect of stainless steel pipe manufacturing to ensure that the final products meet the required specifications and quality standards. Some key elements of quality control for stainless steel pipes of us meet below, Raw material selected, dimension controled and tracing for semi-product by appointed technologist, surface inspected after each rolling/drawing finished. Tested before final finished by Variety and advanced testing equipment (testing equipment as Direct reading Spectrophotometer/ Intergranular corrosion device/ Digital hardness tester/ Universal tensile testing machine/Auto Eddy and Ultrasonic intergrate Defect Detector/ Hydrostatic Testing Machine and other necessary testing equipments)

 

AFTER-SALE SERVICE

Our company have been operating so many years and touched variety of clients, we know what is client's really needs and what is they worried about after received commodities. We guarantee we'll take responsibility for our supplied products, the core criterion of our after-sale service is assist and help customer solve their problems, eliminate their worried, we believe and insist that customer are the foundation of our enterprise's survival.
 

Zhejiang Gaosheng is a specialized manufacture in stainless steel pipe and tube, An Industrial pipe plant & a precision tube plant subordinate to it. The factory has more than 21 years produce experience.  It currently including 40 senior technicians.
 
Our product including Austenitic and Nickel-Alloy grades both in seamless and welding type, in addition to Stainless steel industrial pipe, company also produce  precision tubes such as BA(Bright annealing) and EP(electro polishing) and it's annual output value exceeds 300 million yuan, company get the certificates of ISO9001-2015/PED/DNV/ABS and national special equipment manufacturing license (pressure piping components).

Our annual production is about 15,000 tons. the company total has 50 rolling machine and 10 drawing machines including 20 automatic precision rolling machine and 6 precision drawing machine, The production range for industrial pipe for O.D 6.35~762mm with thickness 0.71~50.8mm ; 6.35~60.3mm diameter with 0.51~5mm thickness for precision BA/EP tube.

And we always committed to our core value: Quality first, customer first, active innovation, integrity, To become the world's leading stainless steel pipe supplier and solution provider, to provide customers with excellent product quality and service, to achieve sustainable development.
Our production capacity and advantage:  
lower and competitive price  rich production experience
fast delivery time sea worthy packing
large and enough production capability
Our own factory and quality controlled
barrier free production capacity  
accept any third-party testing and inspection    
customized design
enough and larger stock

After-sale service:
Warranty and guarantee
Technical Support
Take reasonable for commodity
Installation assistance
Spare parts Available
Replacement services
Regular communication
Feedback and continuous improvement
Responsiveness and timely resolution

FAQ

Q: Are you trading company or manufacturer?

A: We are professional manufacturer for steel pipes,and our company also is a very professional and technical foreign trade company for steel products. We have more export experience with competitive price and best after-sales service. Apart from this,we can provide a wide range of steel products to meet the requirement of customer.

Q:Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time no matter if the price change lot or not. Honesty is our company's tenet.

Q: Do you provide samples ? is it free or extra?
A: The sample could can provide for customer with free,but the freight will be covered by customer account. The sample freight will be returned to customer account after we cooperate.

Q: How can I get your quotation as soon as possible?
A: The email and fax will be checked within 24 hours,meanwhile,the Skype,Wechat and WhatsApp will be online in 24 hours. Please send us your requirement and order information,specification(Steel grade,size,quantity,destination port),we will work out a best price soon.

Q: Do you have any certifications?
A: Yes,that's what we guarantee to our clients. we have IS09000,IS09001 certinicate,APISL PSL-1 CE certificates etc.Our products are of high quality and we have professional engineers and development team.

Q: What is your terms of payment?
A:Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shipmenit or paid against copy of B/L within 5 working days. 100% Irrevocable L/C at sight is favorable payment term as well.

Q: Do you accept the third party inspection?
A: Yes absolutely we accept.