Place of Origin: | Zhejiang |
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Location: | Wuxi, Jiangsu, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Stainless Steel Pipes, Stainless Steel Tubes, Welded Stainless Steel Pipe |
Model No.: | OD: 6mm 101.6mm, WT:0.3mm 2.5mm |
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304 / 316L Corrugated Welded Stainless Steel Tubes,Annealed,ASTM A249
Quick detail:
Description:
Material:
America | Germany | Japan | ||
AISI | UNS | EN/DIN | JIS | |
304 | S30400 | 1.4301 | X5CrNi18-10 | SUS304 |
304L | S30403 | 1.4307 | X2CrNi19-11 | SUS304L |
316 | S31600 | 1.4401 | X5CrNiMo17-12-2 | SUS316 |
316L | S31603 | 1.4404 | X2CrNiMo17-12-2 | SUS316L |
Applications:
The Pipes are Used For Boiler, Superheater, Heat-exchanger,Pressure Vessel and Condenser In Thermal Power Station, Nuclear Power Staition, Paper Sugar / Pulp Fertilizers, Petrochemical Industry Etc.
Test Items:
Corrosion Test | Conducted only when specially requested by the client |
Chemical Analysis | Test done as per required quality standards |
Destructive / Mechanical Testing | Tensile | Hardness | Flattening | Flare | Flange |
Reverse-bend and Re. flat tests | Carried out in full compliance with relevant standards & ASTM A-450 and A-530 norms, which ensures trouble-free expansion, welding & use at customers end |
Eddy Current Testing | Done to detect homogeneities in subsurface by using Digital Flaw-mark Testing System |
Hydrostatic Testing | 100% Hydrostatic Testing carried out according to ASTM-A 450 norms for checking tube leakage, and biggest pressure we can support 20Mpa/7s . |
Air Under Pressure Test | To check any evidence of air leakage |
Visual Inspection | After passivation, every single length of tubes & pipes is subjected to thorough visual inspection by trained staff for detecting surface flaws & other imperfections |
Specifications:
Commodity Name | Corrugated Welded Stainless Steel Tubes |
Standard | ASTM A249 |
Material Grade | 304 / 316L |
Outer Diameter | 6mm-50.8mm |
Wall Thickness | 0.3mm – 2.5mm |
Length | Depends on Customers’ Request |
Tolerance | According to Standards |
Leakage Test | ET, RT, UT Or Hydraulic Test Or Air Pressure Test Under Water |
Main process | Welding, Annealing, Pickled, Polish, Satin, 2B Mill Finish |
Certificate | ISO 9001:2008, Manufacture License Of Pressure Tube |
Marking | Brand, Standard, Grade, Size, Length and Heat No. Or Depends On Customer. |
Packing | Bundles With Plastic Bags, Wooden Box With Angle Steel Frame Or others |
Payment Terms | T/T, L/C at sight |
Price Term | EX-Works, CFR, CNF, CIF, FOB ETC |
Delivery Time | Generally 15Days – 45Days Or Depends on the quantity and Customers’ Request |
Capacity | 1000 Tons Per Month |
Chemical Compositions:
Grade | Chemical Composition(%) | Remark | |||||||||
C≤ | Mn≤ | P≤ | S≤ | Si≤ | Cr | Ni | Mo | N | Cu | ||
304 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0~20.0 | 8.0~10.50 | 0~0.1 | |||
304L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 18.0~20.0 | 8.0~12.0 | 0~0.1 | |||
316 | 0.08 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0~18.0 | 10.0~14.0 | 2.0~3.0 | 0~0.1 | ||
316L | 0.030 | 2.00 | 0.045 | 0.030 | 0.75 | 16.0~18.0 | 10.0~14.0 | 2.0~3.0 | 0~0.1 |
Competitive Advantage:
1.ISO System | |||||||
2.Manufacture License of Pressure Tube | |||||||
3.Production experience about 20 years. | |||||||
4.Raw Material are from POSCO,BAO STEEL,TISCO,CRUPP ETC | |||||||
5.Market -More than 30 countries worldwide. | |||||||
6.We have the most convenient transport from shanghai and timely delivery. | |||||||
7.We offer competitive prices based on good quality. | |||||||
8.We have high technical production line with top quality products. | |||||||
9.We have win high reputation based on good quality. |
A249 Standard specification for welded austenitic steel boiler,superheater, heat-exchanger and condenser tubes. |
Materail:TP304, TP304L, TP304H, TP310S, TP316, TP316L, TP316Ti, TP316H, TP317L, TP321 |
Welding Method:TIG |
Chemical Composition:Acc.to A249 and A480 |
Heat Treatment:Bright Annealing temperature 1040 |
Straightness:0.8mm/900mm |
Tolerance:OD Acc.to A1016/A1016M, WT +/-10% |
Mechanical Property:Tension Test, Flattening Test, Flange Test, Reverse-Bend Test, Hardness Test, Hydrostatic or Other Nondestructive Test, Grain Size, Reverse-Bend Test, Hardness Test |
Intergranular Corrosion:Acc.to the Buyer's Requirements |