Pressure Pipeline Hot Rolled ERW/ Efw Welded/Seamless Industrial Stainless Steel Round Tubes Made in China
Pressure Pipeline Hot Rolled ERW/Efw Welded/Seamless Industrial Stainless Steel Round Tubes Made in China, Find details about China Stainless Steel Weld Tube, Stainless Steel Round Tube from Pressure Pipeline Hot Rolled ERW/Efw Welded/Seamless Industrial Stainless Steel Round Tubes Made in China
Stainless steel pipe is a hollow long round steel, which is widely used in petroleum, chemical, medical, food, light industry, machinery and instrumentation and other industrial pipelines and mechanical structural parts.
In addition, when the bending and torsion strength are the same, the weight is lighter, so it is also widely used in the manufacture of mechanical parts and engineering structures. It is also often used as furniture and kitchenware.
Stainless steel features: 1. Complete product specifications and diverse materials;
2. High dimensional accuracy, up to ±0.1mm;
3. Excellent surface quality and good brightness;
4. Strong corrosion resistance, tensile strength and fatigue resistance High strength;
5. Stable chemical composition, pure steel, low inclusion content;
6. Good packaging, preferential price;
7. Non-standard custom.
| Item name | Pressure Pipeline Hot Rolled ERW/EFW Welded/Seamless Industrial Stainless Steel Round Tubes Made in China |
| Material | 410,430,409L,201,202,304,304L,316,316L,316Ti,321,310S,904L,2205,2507 |
| Thickness | 0.5-20mm or as customized request |
| Diameter | 1/2''-30'' as customized request |
| Length | 5.8-6.1m or as customized request |
| Brand | Jiangsu Cunrui |
| Technique | ERW/EFW |
| Surface | 2B/BA/Hairline/polish/Brushed/Satin/No.1,etc. |
| Payment method | T/T. L/C. Western union |
| Usage | Industry and furniture decoration industry and food and medical industry. |
| Main market | Southeast Asia, Middle East, South Africa, Asia, North America, East Europe |
Stainless steel welded pipe Production Process
Decorative welded pipe:
Raw material-slitting-welding pipe-trimming-polishing-inspection (spray printing)-packaging-shipping (warehouse)
Pipe for industrial piping of welded pipe:
Raw material--Slitting--Welding pipe--Heat treatment--Straightening--Straightening--End trimming--Pickling--Hydraulic pressure test--Inspection (printing)--Packing--shipping (warehousing)
Stainless steel seamless pipe Production Process
a. Raw material round bar preparation
b. Heating
c. Hot-rolled piercing
d. Cut the ends
e. Pickling
f. Grinding
g. lubricating
h. Cold rolling
i. degreasing
j. Solution heat treatment
k. straighten
l. Cutting
m. Pickling
n. Pipe testing
Chemical Composition
| Common steel grade of stainless steel pipe/tube | |||||||||
| Grade | Chemical Composition (%) | Mechanieal Performece | |||||||
| C | Si | Mn | P | S | Ni | Cr | Other | Hardness | |
| 201 | ≤0.15 | ≤1.00 | 5.5/7.5 | ≤0.060 | ≤0.030 | 3.5/5.5 | 16.0/18.0 | - | HB≤241,HRB≤100, HV≤240 |
| 202 | ≤0.15 | ≤1.00 | 7.5/10 | ≤0.060 | ≤0.030 | 4.0/6.0 | 17.0/19.0 | - | HRB≤195, HV≤218 |
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8.0/11.0 | 18.00/20.00 | - | HB≤187,HRB≤90,HV≤200 |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | Mo:2.00/3.00 | HB≤187, HRB≤90 HV≤200 |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | Mo:2.00/3.00 | HB≤187, HRB≤90 HV≤200 |
| 321 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 9.00/12.00 | 17.0/19.0 | Ti:5C-0.70 | HRB≤90, HV≤200 |
| 410 | ≤0.15 | ≤1.00 | ≤1.25 | ≤0.060 | ≤0.030 | ≤0.060 | 11.5/13.5 | - | HB≤183, HRB≤88 HV≤200 |
| 430 | ≤0.12 | ≤1.00 | ≤1.25 | ≤0.040 | ≤0.03 | - | 16.00/18.00 | - | HB≤183, HRB≤88 HV≤200 |
Surface Difference
No.1 (hot rolled): After hot rolling, annealing, pickling and dephosphorization. The surface of the treated steel plate is a dull surface, a bit rough.
Usage: chemical industry equipments.
No.2D: The surface is processed better than No.1, and it is also a dull surface. After cold rolling, annealing, dephosphorization, and finally rolling with a matt roll.
Usage: petrochemical production equipment, auto parts, building materials, pipeline materials, etc.
No.2B: This is the most commonly used in construction applications. Except for the last light cold rolling with a polishing roll after annealing and dephosphorization, the other processes are the same as 2D, the surface is slightly shiny, and it can be polished.
Usage: After adopting the surface treatment method to improve the mechanical properties, it can meet almost all purposes.
BA: After cold rolling, it is processed by bright annealing heat treatment process and modulated and rolled.
Usage: mostly used for home appliances, small mirrors, kitchen equipment and building materials that require high reflectivity.
No.4: First polish with coarse abrasive, and finally grind with 180 grit abrasive.
Usage: Mainly used for bathtubs, building interior and exterior decoration materials, food equipment, etc.
HL (hairline): Use grinding paper of appropriate granularity to make No.4 continuous grinding pattern
Usage: mostly used for building interior and exterior decoration materials and building sash, door, panel, etc.
8K: Continuously polish the stainless steel with a fine abrasive, and then polish it with a very fine polishing paste.
Usage: mirror surface processing, used for decoration materials, mirrors, etc.
Pressure Pipeline Hot Rolled ERW/EFW Welded/Seamless Industrial Stainless Steel Round Tubes Made in China :
Standard seaworthy packing, covered with woven bags and tied in bundle.
Shipping method: Express(DHL,Fedex,UPS,TNT,Aramex,etc.);Sea shipping;Train shipping
1. Who are we?
We are based in Jiangsu, China, start from 2016,sell to Mid East(39.00%),Southeast Asia(20.00%),Eastern Europe(10.00%),North America(5.00%),South America(5.00%),Africa(5.00%),Eastern Asia(5.00%),Central America(5.00%),South Asia(5.00%),Domestic Market(00.00%). There are total about 11-50 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Stainless Steel/Special Steel/ Alloy Steel/Carbon steel.
Pressure Pipeline Hot Rolled ERW/EFW Welded/Seamless Industrial Stainless Steel Round Tubes Made in China
4. Why should you buy from us not from other suppliers?
JiangSu CunRui Metal Products Co., Ltd Is Located In Jiangsu Province Wuxi City, The Large South Stainless Steel Market In China, Have Several Years' Export Experience,And Own Warehouse,Deal With The Stainless Steel,Metal Products,Such Surface,Elow,Bend.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,EUR,CAD,AUD,HKD,CNY
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese
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Looking forward to the best partner of you in near future!
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