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Stainless Steel 304 Welded Square Steel Pipe
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Product Details
| Thickness | 0.24, 2.5 | Section Shape | Square | |
| Outer Diameter | 15*15*400*400mm | Place of Origin | Tianjin, China | |
| Secondary Or Not | Non-secondary | Application | Other, Structure Pipe, ornamental, decoration, industry, Sanitary Stainless Steel Tubes | |
| Technique | Cold Rolled | Certification | Other, ISO, TUV | |
| Surface Treatment | Other, Polish, 2B, hairline, BA. 8K Mirror etc | Special Pipe | Thick Wall Pipe | |
| Alloy Or Not | Non-alloy |
Product Description
stainless steel 304 welded square steel pipe
Name | Welded 304 316 316L stainless steel square tube | ||||
Standard | ASTM A554, A249, A269 and A270, A312 | ||||
Material Grade | 201 ( Ni 0.8%),202 (Ni 3.5%~4.5%),301(Ni 5%)304 (Ni 8%, Cr 18%),316 (Ni 10%, Cr 18%), 316L (Ni10%~14%),430 | ||||
Outer Diameter | 6mm--159mm | ||||
Thickness | 0.3mm - 3.0mm | ||||
Length | 6m or as customers' request | ||||
Tolerance | a) Outer Diameter: +/- 0.2mm | ||||
b) Thickness: +/- 0.02mm | |||||
c) Length: +/- 5mm | |||||
Surface | 180G, 320G, 400G Satin / Hairline 400G, 500G, 600G or 800G Mirror finish | ||||
Application | Decoration construction, upholstery, industry instrument | ||||
Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | ||||
Mechanical Property | Material Item | 201 | 202 | 304 | 316 |
Tensile Strength | ≥535 | ≥520 | ≥520 | ≥520 | |
Yield Strength | ≥245 | ≥205 | ≥205 | ≥205 | |
Extension | ≥30% | ≥30% | ≥35% | ≥35% | |
Hardness (HV) | <253 | <253 | <200 | <200 | |
The sizes of 304 stainless steel square pipe
Stainless steel tube material:304.304L.316.316L.321.310S | |||||
16*2 | 48*10 | 89*6-8-10 | 116*8 | 152*8-10 | 194*10 |
18*2 | 50*8-10-12 | 89*12-15 | 118*16 | 152*14-20 | 196*16-24 |
20*2 | 57*8-10 | 95*8-10 | 121*6-10 | 159*8-10 | 200*18 |
22*6.5 | 60*6-8 | 95*12-16-20 | 121*16-19 | 159*12-18 | 219*10-12-15 |
30*8 | 60*10-12 | 100*13 | 123*6-9 | 168*8-19 | 245*10 |
34*8 | 65*8-12 | 102*6-8 | 127*8-10 | 170*25 | 273*8 |
38*10 | 68*8-10 | 102*10-15 | 130*12-18 | 172*10-18 | 325*10-12 |
40*10 | 70*8 | 108*6-10 | 133*10-18 | 180*8-18 | 355*14 |
42*6-8-10 | 76*8-10-12 | 108*13-15 | 140*8-10-15 | 183*18 | 406*14 |
45*8-10-12 | 80*10-12 | 114*6-8 | 142*18 | 185*10-18 | 457*14 |
4*0.2-1-1.5 | 83*8-10-12 | 114*10-13 | 146*10-12 | 192*18 | 508*15 |
32*8 | 6*0.5-1.5-2 | 8*0.5-1.5-3 | 10*0.2-0.5-1.5-4 | 12*0.2-0.5-1.5-4 | 14*0.2-0.5-1.5-5 |
The surface treatment of 304 stainless steel square pipe
Surface finish | Characteristics and application |
No.2B | The surface brightness and flatness of No.2B is better than No.2D then through a special surface treatment to improve its mechanical properties, No.2B could nearly satisfy comprehensive uses. |
No.3 | Polished with abrasive belt of git#100-#200, have better brightness with discontinuous coarse stria, used as inner and external ornaments for building,electrical appliances and kitchen utensils ect. |
No.4 | Polished with abrasive belt of gif#150#180,have better brightness with discontinuous coarse stria, but thinner than N0.3 are used as bathtub buildings inner and external ornaments electrical appliances kitchen utensils and food processing equipment ect. |
HL | Polished with abrasive belt of grit #150-#320 on the No.4 finish and continuous streaks, mainly used as buildings ornaments elevators, door of building, frontal plates ect. |
BA | Cold rolled, bright annealed and skin passed,the product have excellent brightness and good reflexivity like mirror, kitchen apparatus, ornament ect. |
The chemical composition of 304 stainless steel square pipe
stainless steel square tube
The products show of Welded 304 stainless steel square tube
The application of Welded 304 stainless steel square tube
The manufacturing flow chart of 316L stainless steel square pipe
The quality control of 304 stainless steel square pipe
2. We specialized in stainless steel sheet, stainless steel pipes,
carbon seamless steel pipes,alloy steel pipes, square steel tubes, etc.
3. Our products are exported to India, Indonesia, Pakistan, Iran, Belgium, Spain,
Canada, Germany,Korea, Saudi Arabia, Jordan and so on.
4. Our products are very popular because of high quality and competitive price,
and we ensure you timely delivery and the best service.
5. We are pleased to find new partners and hope to establish long-term business relationships with you on the basis of win-win situation.
1. when was your company founded?
Our company was established in 2005 and we have been in this line for more than 9years, so we are experienced.
2. where your goods are being exported to?
We enjoy global market and have been cooperating with some regular clients from Southeast Asia,Middle East, Europe and so on.
3.Are you a factory or trade company?
We are a trade comapany, so we can provide you small quantity and various specification. We also have more favorable price in stainless steel, carbon steel, alloy steel and so on.
Our business in the last two months
Products name | country | quantity |
316stainless steel pipe | Azerbaijan | 25ton |
409stainless steel pipe | Korea | 7.8ton |
316,304stainless steel pipe | Singapore | 16ton |
Carbon steel plate | Mauritius | 25ton |
Spring steel | Vietnam | 1ton |
The package of Welded 304 316 316L stainless steel square tube
Tianjin A Large High-Pressure Alloy Pipe Sales Ltd. is one of the leading sales companies and exporters of steel products in Tianjin, China. Located near Beijing-Tianjin-Tanggu Expressway in the major port city --- Tianjin, China, we enjoy particularly favorable geographic advantage with convenient water, land and air transportation.
We specialize in seamless steel pipes, stainless steel tubes, boiler tubes, alloy steels, stainless steel bars, carbon structure round steel, alloy boards, boiler aacan also supply various fittings, such as elbows, flanges and tees. Our products conform to GB9948, GB6479, GB5310, ASTM A213, A335, A106, JIS G3456, G3458, G3461, G3462 and G3467 standards. We can produce various steel pipes with OD of 6mm-1080mm and WT of 1.5mm-100mm as well as steel plates with thickness of 0.3mm-80mm. All of the products can be widely used in fluid transmission pipelines, machine buildings, boiler manufacture, bridges and stadium constructions. We can also supply different kinds of non-standard and special type steel pipes according to your requirement.
Our company has a large number of stocks available all year round.
The certificate of our company
Company name: Tianjin, A Large High-Pressure Alloy Pipe Sales Co.,Ltd
Address: 2# 1902Room, Beichen building,Beichen District
Telephone: +86-022-26392977
Fax: +86-022-26345918
Website: http://www.tjdhhjgc.en.china.cn
Contact Us
- Tianjin A Large High-Pressure Alloy Pipe Sales Ltd.
- Contact nameSophia Tai Chat Now
- Phone86-022-26392977
- AddressRoom 1902, Bldg. 2, Beichen Building, Beichen Road
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