Haitu (Shandong) Steel Co., Ltd.
| Payment Terms | T/T, L/C at sight,West Union,D/P,D/A,Paypal |
| Supply Ability | 20000 Ton/Tons per Month |
| Delivery Time | 7-15 Days |
| Packaging Details | Industry standard packaging or according to client's requirement |
| Product Name | Stainless Steel Square Tube |
| Material | 201/304/304L/316/316L/410/420/904L/2205/2507 Stainless Steel |
| Thickness | 10-400mm |
| Size | 1-12 m(All Sizes Can be customzied) |
| Standard | ASTM, JIS, GB, AISI, DIN, BS,EN |
| Process Method | cold drawn and cold rolled |
| Brand Name | Haitu Steel |
| Model Number | 201 304 316 317 321 310 309 410 420 |
| Certification | Approved by SGS,ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C at sight,West Union,D/P,D/A,Paypal | Supply Ability | 20000 Ton/Tons per Month |
| Delivery Time | 7-15 Days | Packaging Details | Industry standard packaging or according to client's requirement |
| Product Name | Stainless Steel Square Tube | Material | 201/304/304L/316/316L/410/420/904L/2205/2507 Stainless Steel |
| Thickness | 10-400mm | Size | 1-12 m(All Sizes Can be customzied) |
| Standard | ASTM, JIS, GB, AISI, DIN, BS,EN | Process Method | cold drawn and cold rolled |
| Brand Name | Haitu Steel | Model Number | 201 304 316 317 321 310 309 410 420 |
| Certification | Approved by SGS,ISO | Place of Origin | China |
| High Light | 904L Stainless Steel Rectangular Pipe ，Stainless Steel Rectangular Pipe 430 304L ，304L Stainless Steel Square Pipes AISI | ||
201 430 304 Stainless Steel Rectangular Tube Hollow Stainless Steel Square Pipes
Stainless steel square tube is a hollow strip of steel, because the cross section is square so called square tube.
A large number of pipeline used for conveying fluid, such as oil, natural gas, water, gas, steam, etc.,
in addition, in bending, torsion strength at the same time, lighter weight, so also widely used in manufacturing machinery parts and engineering structures.
| Product Name | Stainless Steel Square Tube |
| Material | 201/304/304L/316/316L/410/420/904L/2205/2507 Stainless Steel |
| Thickness | 10-400mm |
| Size | 1-12 m(All Sizes Can be customzied) |
| Standard | ASTM, JIS, GB, AISI, DIN, BS,EN |
| Certifications | RoHS |
| Packing | Industry standard packaging or according to client's requirement |
| Delivery time | Fast delievery in 7 days,up to order quantity |
| MOQ | 1Ton |
Chemical Composition
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo |
| 201 | ≤0 .15 | ≤0 .75 | 5. 5-7. 5 | ≤0.06 | ≤ 0.03 | 3.5 -5.5 | 16 .0 -18.0 | - |
| 202 | ≤0 .15 | ≤l.0 | 7.5-10.0 | ≤0.06 | ≤ 0.03 | 4.0-6.0 | 17.0-19.0 | - |
| 301 | ≤0 .15 | ≤l.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 6.0-8.0 | 16.0-18.0 | - |
| 302 | ≤0 .15 | ≤1.0 | ≤2.0 | ≤0.035 | ≤ 0.03 | 8.0-10.0 | 17.0-19.0 | - |
| 304 | ≤0 .0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 8.0-10.5 | 18.0-20.0 | - |
| 304L | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.035 | ≤ 0.03 | 9.0-13.0 | 18.0-20.0 | - |
| 309S | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 12.0-15.0 | 22.0-24.0 | - |
| 310S | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.035 | ≤ 0.03 | 19.0-22.0 | 24.0-26.0 | |
| 316 | ≤0.08 | ≤1.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 10.0-14.0 | 16.0-18.0 | 2.0- |
| 316L | ≤0 .03 | ≤1.0 | ≤2.0 | ≤0.045 | ≤ 0.03 | 12.0 - 15.0 | 16 .0 -1 8.0 | 2.0 - |
| 321 | ≤ 0 .08 | ≤1.0 | ≤2.0 | ≤0.035 | ≤ 0.03 | 9.0 - 13 .0 | 17.0 -1 9.0 | - |
| 630 | ≤ 0 .07 | ≤1.0 | ≤1.0 | ≤0.035 | ≤ 0.03 | 3.0-5.0 | 15.5-17.5 | - |
| 631 | ≤0.09 | ≤1.0 | ≤1.0 | ≤0.030 | ≤0.035 | 6.50-7.75 | 16.0-18.0 | - |
| 904L | ≤ 2 .0 | ≤0.045 | ≤1.0 | ≤0.035 | - | 23.0·28.0 | 19.0-23.0 | 4.0-5.0 |
| 2205 | ≤0.03 | ≤1.0 | ≤2.0 | ≤0.030 | ≤0.02 | 4.5-6.5 | 22.0-23.0 | 3.0-3.5 |
| 2507 | ≤0.03 | ≤0.8 | ≤1.2 | ≤0.035 | ≤0.02 | 6.0-8.0 | 24.0-26.0 | 3.0-5.0 |
| 2520 | ≤0.08 | ≤1.5 | ≤2.0 | ≤0.045 | ≤ 0.03 | 0.19 -0. 22 | 0. 24 -0 . 26 | - |
| 410 | ≤0.15 | ≤1.0 | ≤1.0 | ≤0.035 | ≤ 0.03 | - | 11.5-13.5 | - |
| 430 | ≤0.1 2 | ≤0.75 | ≤1.0 | ≤ 0.040 | ≤ 0.03 | ≤0.60 | 16.0 -18.0 | - |
Surface Treatment
| Surface | Definition | Application |
| No.1 | The surface finished by heat treatment and pickling or processes corresponding there to after hot rolling. | Chemical tank, pipe etc. |
| No.3 | Those finished by polishing with No.100 to No.120 abrasives specified in JIS R6001. | Kitchen utensils, Building construction etc. |
| No.4 | Those finished by polishing with No.150 to No.180 abrasives specified in JIS R6001. | Kitchen utensils, Building construction, Medical equipment etc. |
| 2B | Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given appropriate luster. | Medical equipment, Food industry, Construction material, Kitchen utensils etc. |
| BA (No.6) | Those processed with bright heat treatment after cold rolling. | Kitchen utensils, Electric equipment, Building construction etc. |
| Mirror (No.8) | Shinning like a mirror | Building construction, decoration etc. |
| Hairline | Those finished polishing so as to give continuous polishing streaks by using abrasive of suitable grain size. | Building Construction etc. |
Company Details
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Haitu (Shandong) Steel Co., Ltd is a famous company early started steel industry in china , with annual sales of more than 10 million tons. Haitu already has a certain influence in steel industry . The company is a comprehensive enterprise integrating sales, processing, cutting, and transportation, ... Haitu (Shandong) Steel Co., Ltd is a famous company early started steel industry in china , with annual sales of more than 10 million tons. Haitu already has a certain influence in steel industry . The company is a comprehensive enterprise integrating sales, processing, cutting, and transportation, ...
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