Yuhong Group Co.,Ltd
| Delivery Time | 7DAYS |
| Length | Single Random, Double Random & Cut Length |
| High Light | ASTM A312 TP904L Stainless Steel Seamless Pipe, Pickled Annealed Seamless Pipe |
| Standard | DIN, JIS, AMS, GB, AISI, ASME, ASTM, EN, GOST |
| OD | 1/8" TO 48" |
| End | Plain end, beveled end |
| Payment Terms | L/C, T/T |
| WT | Sch 5 to Sch XXS |
| Standard Specification | ASTM A312, ASME SA312 |
| Material Grade | TP904L, UNS N08904, DIN 1.4539 |
| Packaging Details | Ply-wooden Case/ Bundle with plastic Cap |
| Type | Seamless, Welded |
| Application | General Corrosive Service, Petroleum, Petrochemical Equipment |
| Product Name | Stainless Steel Seamless Pipe |
| Technique | Cold Drawn |
| Model Number | ASTM A312 TP904L Stainless Steel Seamless Pipe |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
| Brand Name | YUHONG |
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Product Specification
| Delivery Time | 7DAYS | Length | Single Random, Double Random & Cut Length |
| High Light | ASTM A312 TP904L Stainless Steel Seamless Pipe, Pickled Annealed Seamless Pipe | Standard | DIN, JIS, AMS, GB, AISI, ASME, ASTM, EN, GOST |
| OD | 1/8" TO 48" | End | Plain end, beveled end |
| Payment Terms | L/C, T/T | WT | Sch 5 to Sch XXS |
| Standard Specification | ASTM A312, ASME SA312 | Material Grade | TP904L, UNS N08904, DIN 1.4539 |
| Packaging Details | Ply-wooden Case/ Bundle with plastic Cap | Type | Seamless, Welded |
| Application | General Corrosive Service, Petroleum, Petrochemical Equipment | Product Name | Stainless Steel Seamless Pipe |
| Technique | Cold Drawn | Model Number | ASTM A312 TP904L Stainless Steel Seamless Pipe |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Place of Origin | CHINA |
| Brand Name | YUHONG |
ASME SA312 TP904L / UNS N08904 Stainless Steel Seamless Pipe for Oil and Gas Industry
ASME SA312 UNS N08904 / TP904L / DIN 1.4539 seamless pipe is a high-alloy austenitic stainless steel seamless pipe, commonly called 904L. It combines the American specification ASME SA312 and grade TP904L / UNS N08904 with the European material number DIN 1.4539 / X1NiCrMoCu25-20-5. It is used where high corrosion resistance is required, especially in chemical processing, seawater, oil and gas, and pulp and paper applications. The “seamless” designation means it has no welded seam and is generally preferred for high-pressure, high-temperature, or highly corrosive service.
Specific situations where 904L is often chosen
316L or 317L are failing or expected to fail
Pitting, crevice corrosion, or high corrosion rates in chlorides.
904L provides a significant PREN increase.
Sulfuric acid and phosphoric acid service
The copper addition makes 904L much better than 316L or duplex in many reducing-acid environments.
For very severe sulfuric acid, Alloy 20 or 825 may still be better.
Mixed acids + chlorides
Chemical processing, pickling, fertilizer, phosphoric acid production.
Flue gas desulfurization, pulp and paper, bleach plants
904L is widely used in FGD absorbers, piping, and pulp/paper bleaching.
Seawater and marine environments
904L performs well in many seawater applications, but for higher temperature, higher velocity, or severe crevice conditions, 2205, 2507, or 6Mo may be better.
Oil and gas / chemical piping
Where moderate strength, good corrosion resistance, and weldability are needed.
For sour service or high-pressure seawater, duplex/super duplex may be preferred.
Equivalent Grades of ASME SA312 UNS N08904 / TP904L Stainless Steel Pipe DIN 1.4539 Seamless Pipe
| STANDARD | UNS |
WERK |
KS | JIS | BS | AFNOR | EN |
| SS 904L | N08904 | 1.4539 | STS 317J5L | SUS 904L | 904S13 | Z2 NCDU 25-20 |
X1NiCrMo Cu25-20-5 |
Chemical Composition % of ASME SA312 UNS N08904 / TP904L Stainless Steel Pipe DIN 1.4539 Seamless Pipe
| Grade | C | Ni | Si | Mo | P | S | Mn | Cr | Cu |
| SS 904L | 0.2 | 23-28 | 1.0 | 4.0-5.0 | 0.045 | 0.035 | 2.0 | 19-23 |
1-2 |
Mechanical Properties of ASME SA312 UNS N08904 / TP904L Stainless Steel Pipe DIN 1.4539 Seamless Pipe
| Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| SS 904L | 490 | 35 | 220 | 70-90 typical | - |
Applications
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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