Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1000Tons/Month |
| Delivery Time | 7DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASTM A213/ ASME SA213 |
| Type | Seamless, Welded, Round Pipe/Tube |
| Steel grade | TP304/1.4301 |
| Length | 1-12m Or As Your Requirements |
| Application | Construction,Decoration,Industry,boiler,Chemical |
| Outer diameter | As Your Requirements |
| Brand Name | YUHONG |
| Model Number | ASTM A213 TP304/304L/304H |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000Tons/Month |
| Delivery Time | 7DAYS | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with plastic Cap |
| Standard | ASTM A213/ ASME SA213 | Type | Seamless, Welded, Round Pipe/Tube |
| Steel grade | TP304/1.4301 | Length | 1-12m Or As Your Requirements |
| Application | Construction,Decoration,Industry,boiler,Chemical | Outer diameter | As Your Requirements |
| Brand Name | YUHONG | Model Number | ASTM A213 TP304/304L/304H |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| High Light | Round Stainless Steel Boiler Pipe ，ASTM A213 Heat Exchanger Seamless Tube ，304H Stainless Steel Seamless Tube | ||
ASTM A213 TP304, 304L, 304H Seamless Tube For Heat Exchanger And Boiler
Yuhong Group is one of the large manufacturer of stainless steel pipes in China, widely used in boilers, heat exchangers, and other equipment. We have trade relations with more than 40 countries and have won customer satisfaction with timely delivery and strict quality control.
ASTM A213 TP304 Seamless Tube, Stainless heat-resistant steel with good bending and welding process performance, corrosion resistance, high lasting strength and organizational stability, and very good cold deformation capacity. Use temperature up to 650 ℃, oxidation resistance temperature up to 850 ℃. Applications: Used in the manufacture of large generating set boiler superheater tubes, reheater tubes, steam pipes and heat exchange tubes for petrochemicals. The allowable oxidation resistance temperature for boiler tubes is 705°C.
What is the difference between 304, 304L and 304H stainless steel?
1.There are hundreds of different grades of stainless steel on the market. Each of these unique stainless steel formulations offers a degree of corrosion resistance superior to that of ordinary steel.
2.The presence of these stainless steel variants can cause some confusion - especially when the names and formulations of the two stainless steel alloys are nearly identical. This is the case with 304 and 304L stainless steel.
Chemical composition - Stainless steel 304/304L
| composition | 304 | 304L | 304H |
| C | 0.08 | 0.03 | 0.04-0.10 |
| Mn | 2 | 2 | 2 |
| P | 0.045 | 0.045 | 0.045 |
| S | 0.03 | 0.03 | 0.03 |
| Si | 0.75 | 0.75 | 0.75 |
| Cr | 18-20 | 18-20 | 18-20 |
| Ni | 8-10.5 | 8-10.5 | |
| N | 0.1 | 0.1 | 0.1 |
These three alloys are very similar, but there is one key difference. The maximum carbon content of 304 stainless steel is 0.08%, while the maximum carbon content of 304L stainless steel is 0.03%. The "L" in 304L can be understood to mean ultra-low carbon.
This 0.05% difference in carbon content results in a slight but significant difference in the properties of the two alloys.
Mechanical difference
Compared to the "standard" grade 304 stainless steel alloy, grade 304L has a slight but significant reduction in key mechanical properties.
| Grade | Tensile strength Rm N/mm2 | Butt suit strength Rp 0.2N /mm2 | Elongation (%) |
| 304 Annealing | 500-700 | 195 | 40 |
| 304L Annealing | 460-680 | 180 | 40 |
Chemical Composition
| Grade | UNS Designation | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel |
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-20.0 | 8.0-11.0 |
Size Range
| Production | Outside Diameter | Wall Thickness |
| Seamless Pipe | 6.00mm-830mm | 0.5mm-48mm |
| American Standard | Austenitic Steel: TP304, TP304L, TP304H, TP304N, TP310S, TP316, TP316L, TP316Ti, TP316H, TP317, TP317L, TP321, TP321H, TP347, TP347H, 904L… Duplex Steel: S31803, S32101, S32205, S32304, S32750, S32760 Others: TP405, TP409, TP410, TP430, TP439... |
| Europen Standard | 1.4162, 1.4301, 1.4307,1.4362, 1.4401, 1.4404, 1.4410, 1.4438, 1.4462, 1.4501, 1.4539, 1.4541, 1.4550, 1.4571, 1.4841, 1.4845,1.4878, 1.4948... |
| GOST | 08Х17Т, 08Х13, 12Х13, 12Х17, 15Х25Т, 04Х18Н10, 08Х20Н14С2, 08Х18Н12Б, 10Х17Н13М2Т, 10Х23Н18, 08Х18Н10, 08Х18Н10Т, 08Х18Н12Т, 08Х17Н15М3Т, 12Х18Н10Т, 12Х18Н12Т, 12Х18Н9, 17Х18Н9, 08Х22Н6Т, 06ХН28МДТ |
Application:
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
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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