Yuhong Group Co.,Ltd
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Delivery Time | Depends on quantity |
| Payment Terms | T/T, L/C at sight |
| Supply Ability | 10000 tons per month |
| Certificate | LR, BV, DNV, GL, ABS, KR, CCS, TS, PED, AD2000, ASME II , III, |
| Standard | ASTM A376 , ASTM A511, ASTM A213 , NACE 0175 , ASTM A312, GOST9941-81, DN17456, EN10216-5 |
| Test | Eddy Current Test, Hydrostatic Test , Ultrasonic Test , Grain Size Test, Hardness Test |
| Size | ANSI B16.10 , ANSI B16.19 |
| Place of Origin | China |
| Brand Name | YUHONG |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Model Number | TP304 |
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Product Specification
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap | Delivery Time | Depends on quantity |
| Payment Terms | T/T, L/C at sight | Supply Ability | 10000 tons per month |
| Certificate | LR, BV, DNV, GL, ABS, KR, CCS, TS, PED, AD2000, ASME II , III, | Standard | ASTM A376 , ASTM A511, ASTM A213 , NACE 0175 , ASTM A312, GOST9941-81, DN17456, EN10216-5 |
| Test | Eddy Current Test, Hydrostatic Test , Ultrasonic Test , Grain Size Test, Hardness Test | Size | ANSI B16.10 , ANSI B16.19 |
| Place of Origin | China | Brand Name | YUHONG |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Model Number | TP304 |
| High Light | stainless steel seamless pipes ，seamless boiler tubes | ||
Stainless Steel Seamless Pipe ASTM A312 TP304 Oil Gas Corrosion resistance
What is ASTM A312 TP 304 SMLS Pipe?
TP304 stainless steel is a common seamless steel pipe material, this kind of steel pipe has excellent corrosion resistance and high temperature performance, which is widely used in petroleum, chemical, electric power and other fields.
The chemical composition of TP304 stainless steel mainly includes iron, chromium, nickel and other elements, of which the chromium content is generally between 18% and 20%, and the nickel content is between 8% and 11%. The mechanical properties of this stainless steel are related to the purity and thickness of the steel, generally the tensile strength is between 400MPa and 650MPa, the yield strength is between 200MPa and 400MPa, and the elongation is between 30% and 60%.
Characteristic of 304 SMLS Pipe
Corrosion resistance : 304 stainless steel has good corrosion resistance and can be used under a variety of corrosive media, including acids, alkalis, salts and other chemicals.
High temperature resistance: they can work for a long time in high temperature environments and can withstand the impact of high temperature steam and high temperature gases.
Strength and toughness:they have high strength and excellent toughness, able to withstand high pressure and shock loads.
Easy to process : they are easy to process into various shapes and sizes and have good welding performance.
Chemical Composition:
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 304 | min.max. | -0.08 | -2.0 | -0.75 | -0.045 | -0.03 | 18.0-20.0 | - | 8.0--10.5 | -0.10 |
| 304L | min.max. | -0.030 | -2.0 | -0.75 | -0.045 | -0.03 | 18.0-20.0 | - | 8.0--12.0 | -0.10 |
| 304H | min.max. | 0.04-0.10 | -2.0 | -0.75 | -0.045 | -0.03 | 18.0-20.0 | - | 8.0--10.5 | - |
Mechanical Properties:
| Grade | Tensile Strength(MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304 | 515 | 205 | 40 | 92 | 201 |
| 304L | 485 | 170 | 40 | 92 | 201 |
| 304H | 515 | 205 | 40 | 92 | 201 |
| 304H also has a requirement for a grain size of ASTM No 7 or coarser. | |||||
Grade specifications:for 304 grade stainless steel
| Grade | UNS No | Old British | Europen | Swedish SS | Japanese JIS | ||
| BS | En | No | Name | ||||
| 304 | S30400 | 304S31 | 58E | 1.4301 | X5CrNi18-10 | 2332 | SUS 304 |
| 304L | S30403 | 304S11 | - | 1.4306 | X2CrNi19-11 | 2352 | SUS 304L |
| 304H | S30409 | 304S51 | - | 1.4948 | X6CrNi18-11 | - | - |
| These comparisons are approximate only. The list is intended as a comparison of functionally similar materials not as a schedule of contractual equivalents. If exact equivalents are needed original specifications must be consulted. | |||||||
Size Range:
| Production | Outside Diameter | Wall Thickness |
| Seamless Pipe | 6.00mm to 830mm | 0.5mm to 48mm |
Application:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
>250 Million
Employee Number:
>158
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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