Shandong Duohe Import And Export Co., Ltd.
| Payment Terms | T/T, L/C, Western Union |
| Supply Ability | 3000 tons per month |
| Delivery Time | ship within 10 days after received the advance |
| Packaging Details | Standard export packing (waterproof paper + steel rings), or as your requirement |
| Name | 304 Stainless Steel Pipe |
| Standard | AISI, ASTM |
| Grade | 304 |
| Thickness | 0.5-30mm |
| Width | 10-220mm |
| Length | 3000-12000mm |
| Technic | Hot Rolled |
| Finish | polishing/mirror/HL |
| Tolerance | ±1 |
| Application | Decorative ,industrial,building material, and gas transportation. |
| Brand Name | TISCO |
| Model Number | 304 |
| Certification | ISO,SGS |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C, Western Union | Supply Ability | 3000 tons per month |
| Delivery Time | ship within 10 days after received the advance | Packaging Details | Standard export packing (waterproof paper + steel rings), or as your requirement |
| Name | 304 Stainless Steel Pipe | Standard | AISI, ASTM |
| Grade | 304 | Thickness | 0.5-30mm |
| Width | 10-220mm | Length | 3000-12000mm |
| Technic | Hot Rolled | Finish | polishing/mirror/HL |
| Tolerance | ±1 | Application | Decorative ,industrial,building material, and gas transportation. |
| Brand Name | TISCO | Model Number | 304 |
| Certification | ISO,SGS | Place of Origin | CHINA |
| High Light | Seamless Stainless Steel Thick Wall Pipe ，Aisi A554 Stainless Steel Pipe ，316l Welded Stainless Steel Pipe | ||
Is seamless pipe more expensive than welded?
Usually the seamless steel pipe cost is higher than welded steel pipes, because the raw material, manufacturing
equipment and processes. But sometimes by the market pressure, welded pipe is more expensive, so if you met
this situation, don't hesitate to purchase the seamless steel pipe for the same dimensions.
What is AISI ASTM A554?
ASTM A554 Square Tube is part of the A554 specification. This specification covers pipes that require mechanical
properties, corrosion resistance and appearance characteristics. The specification can have any material grade made tubes.
look the same. However, the chemical composition of 316, which is made up of 16% chromium,10% nickel, and 2%
molybdenum, is the main difference between 304 and 316 stainless steel.
| Name | 304 316 Stainless Steel Round Square Pipe Welded Pipe Seamless Pipe Tube with Polished | |||||
| Standard | ASTM A554,ASTM A312 | |||||
| Material Grade | 201,202,304,316,316L,430 | |||||
| Size Range | 139mm-1600mm ETC. | |||||
| Thickness | 0.5-30mm | |||||
| Length | 6m or as customers' request | |||||
| Tolerance | a) Outer Diameter: +/- 0.2mm | |||||
| b) Thickness: +/- 0.02mm | ||||||
| c) Length: +/- 5mm | ||||||
| Surface | 180G, 320G Satin/Hairline 400G, 600G Mirror finish | |||||
| Application | handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc | |||||
| Test | Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT | |||||
| Chemical Composition of Material | Material Composition | 201 | 202 | 304 | 316L | 430 |
| C | ≤0.15 | ≤0.15 | ≤0.08 | ≤0.035 | ≤0.12 | |
| Si | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | ≤1.00 | |
| Mn | 5.5-7.5 | 7.5-10 | ≤2.00 | ≤2.00 | ≤1.00 | |
| P | ≤0.06 | ≤0.06 | ≤0.045 | ≤0.045 | ≤0.040 | |
| S | ≤0.03 | ≤0.03 | ≤0.030 | ≤0.030 | ≤0.030 | |
| Cr | 13-15 | 14-17 | 18-20 | 16-18 | 16-18 | |
| Ni | 0.7-1.1 | 3.5-4.5 | 8-10.5 | 10-14 | | |
| Mo | | | | 2.0-3.0 | | |
| 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) | <105 | <100 | <90 | <90 | ||
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Company Details
Business Type:
Agent,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20 million-35 million
Employee Number:
100~150
Ecer Certification：
Active Member
About Us Shandong Duohe Import and Export Co., Ltd. is located on the new Asia-Europe Land Bridge to the north of Lianyungang City, Qingdao City, Shandong Province. Qingdao is close to Liaoning (Bensteel), Liaoning (Bensteel), Shanghai (Baosteel), Ningbo (Baoxin), Kunshan (Kunshan), geographical ... About Us Shandong Duohe Import and Export Co., Ltd. is located on the new Asia-Europe Land Bridge to the north of Lianyungang City, Qingdao City, Shandong Province. Qingdao is close to Liaoning (Bensteel), Liaoning (Bensteel), Shanghai (Baosteel), Ningbo (Baoxin), Kunshan (Kunshan), geographical ...
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