Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM A312 TP304 / EN1.4301 / UNS S30400 Stainless Steel Seamless Pipes
ASTM A312 TP304 Stainless Steel is the most used 300 series stainless steel grade, which combines of sufficient Chrome and Nickel contents to possess excellent properties, ASTM A312 TP304 has good corrosion resistance, good formability and good weldability to meet various applications.
YUHONG HOLDING GROUP deals with stainless steel seamless pipes and tubes already more than 30 years, every year sell more than 5000 tons of stainless steel pipe and tube. Our clients already cover more than 70 countries. Our stainless steel seamless pipe and tube was width used in Mining, Energy, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc.
| Standard Specification | ASTM A312 / ASME SA312 |
| Dimensional specification | ANSI / ASME B36.19M, ANSI / ASME B36.10M |
| Manufacturing Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
| Manufacturing Techniques | Seamless / 100% X Ray Welded / ERW / EFW/ Welded / Fabricated / CDW/ LSAW/ Seam-Welded / Redrawn |
| Pipe End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
| Delivery Condition of SS 304 Pipe | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Schedule Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Value Added Services provided by suppliers | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Inspection and Test Reports | EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports |
Equivalent Grades:
| GRADE | UNS | EN | JIS | AFNOR | BS | WERKSTOFF NR. | GOST | SS |
| TP 304 | S30400 | X5CrNi18-10 | SUS 304 | Z7CN18‐09 | 304S31 | 1.4301 | 08Х18Н10 | 2332 |
Characteristics:
Reusable
High strength
Good formability
Resistant to high pressure
Resistant to high temperature
Resistant to high mechanical stresses
Chemical Composition:
| GRADE | 304 | 304N | 304LN |
| Ni | 8 – 11 | 8 – 11 | 8 – 11 |
| Fe | Balance | ||
| Cr | 18 – 20 | 18 – 20 | 18 – 20 |
| C | 0.08 max | 0.08 max | 0.035 max |
| Si | 0.75 max | 0.75 max | 0.75 max |
| Mn | 2 max | 2 max | 2 max |
| P | 0.040 max | 0.04 max | 0.04 max |
| S | 0.03 max | 0.03 max | 0.03 max |
| N | — | 0.1 – 0.16 | 0.1 – 0.16 |
Mechanical Properties:
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
Applications:
Power Industry
Chemical Industry
Nuclear Industry
Petroleum Refining
Oil & Gas Development
Cleaning Energy Equipment
Seawater Desalination & Treatment
Marine Engineering & Shipbuilding
