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Among stainless steel pipes, ASTM A312 904L (N08904) seamless pipe is one kind of the high grade stainless steel. ASTM A312 904L is with copper and lower carbon than others which makes seamless pipe has stronger resistance to acids environment , and also resistant to stress corrosion cracking and crevice corrosion.
ASTM A312 N08904 (904L) stainless steel seamless pipes are a high-performance stainless steel material with excellent corrosion resistance and high temperature performance. It contains a high proportion of alloying elements such as chromium, nickel, and molybdenum, giving it excellent resistance to pitting corrosion, crevice corrosion, and stress corrosion.
Chemical Composition
| CHEMICAL | LIMITS | C | Mn | P | S | Si | Ni | Cr | Mo | Cu | N |
| ASTM A312 S31254 (SMO 254) | MIN | 17.50 | 19.50 | 6.00 | 0.50 | 0.18 | |||||
| MAX | 0.02 | 1.00 | 0.030 | 0.010 | 0.80 | 18.50 | 20.50 | 6.50 | 1.00 | 0.25 |
Mechanical Properties
| MATERIAL | T.S (MPA) | Y.S (MPA) | EL % | R/A % |
| SMO 254 | 650 min | 300 min | 35 min | 50 min |
Dimension Of 904L Stainless Steel Pipe
| DN | NPS | OD | SCH30 | STD | SCH40 | XS | 80 |
| 6 | 1/8 | 10.3 | 1.45 | 1.73 | 1.73 | 2.41 | 2.41 |
| 8 | 1/4 | 13.7 | 1.85 | 2.24 | 2.24 | 3.02 | 3.02 |
| 10 | 3/8 | 17.1 | 1.85 | 2.31 | 2.31 | 3.20 | 3.20 |
| 15 | 1/2 | 21.3 | 2.41 | 2.77 | 2.77 | 3.73 | 3.73 |
| 20 | 3/4 | 26.7 | 2.41 | 2.87 | 2.87 | 3.91 | 3.91 |
| 25 | 1 | 33.4 | 2.90 | 3.38 | 3.38 | 4.55 | 4.55 |
| 32 | 11/4 | 42.2 | 2.97 | 3.56 | 3.56 | 4.85 | 4.85 |
| 40 | 11/2 | 48.3 | 3.18 | 3.68 | 3.68 | 5.08 | 5.08 |
| 50 | 2 | 60.3 | 3.18 | 3.91 | 3.91 | 5.54 | 5.54 |
| 65 | 21/2 | 73.0 | 4.78 | 5.16 | 5.16 | 7.01 | 7.01 |
| 80 | 3 | 88.9 | 4.78 | 5.49 | 5.49 | 7.62 | 7.62 |
| 90 | 31/2 | 101.6 | 4.78 | 5.74 | 5.74 | 8.08 | 8.08 |
| 100 | 4 | 114.3 | 4.78 | 6.02 | 6.02 | 8.56 | 8.56 |
Appliacation
Water Supply Systems
Constructions
Power Plant
Pulp Industry
Structural Pipe
Oil And Gas Pipeline
Among stainless steel pipes, ASTM A312 904L (N08904) seamless pipe is one kind of the high grade stainless steel. ASTM A312 904L is with copper and lower carbon than others which makes seamless pipe has stronger resistance to acids environment , and also resistant to stress corrosion cracking and crevice corrosion.
ASTM A312 N08904 (904L) stainless steel seamless pipes are a high-performance stainless steel material with excellent corrosion resistance and high temperature performance. It contains a high proportion of alloying elements such as chromium, nickel, and molybdenum, giving it excellent resistance to pitting corrosion, crevice corrosion, and stress corrosion.
Chemical Composition
| CHEMICAL | LIMITS | C | Mn | P | S | Si | Ni | Cr | Mo | Cu | N |
| ASTM A312 S31254 (SMO 254) | MIN | 17.50 | 19.50 | 6.00 | 0.50 | 0.18 | |||||
| MAX | 0.02 | 1.00 | 0.030 | 0.010 | 0.80 | 18.50 | 20.50 | 6.50 | 1.00 | 0.25 |
Mechanical Properties
| MATERIAL | T.S (MPA) | Y.S (MPA) | EL % | R/A % |
| SMO 254 | 650 min | 300 min | 35 min | 50 min |
Dimension Of 904L Stainless Steel Pipe
| DN | NPS | OD | SCH30 | STD | SCH40 | XS | 80 |
| 6 | 1/8 | 10.3 | 1.45 | 1.73 | 1.73 | 2.41 | 2.41 |
| 8 | 1/4 | 13.7 | 1.85 | 2.24 | 2.24 | 3.02 | 3.02 |
| 10 | 3/8 | 17.1 | 1.85 | 2.31 | 2.31 | 3.20 | 3.20 |
| 15 | 1/2 | 21.3 | 2.41 | 2.77 | 2.77 | 3.73 | 3.73 |
| 20 | 3/4 | 26.7 | 2.41 | 2.87 | 2.87 | 3.91 | 3.91 |
| 25 | 1 | 33.4 | 2.90 | 3.38 | 3.38 | 4.55 | 4.55 |
| 32 | 11/4 | 42.2 | 2.97 | 3.56 | 3.56 | 4.85 | 4.85 |
| 40 | 11/2 | 48.3 | 3.18 | 3.68 | 3.68 | 5.08 | 5.08 |
| 50 | 2 | 60.3 | 3.18 | 3.91 | 3.91 | 5.54 | 5.54 |
| 65 | 21/2 | 73.0 | 4.78 | 5.16 | 5.16 | 7.01 | 7.01 |
| 80 | 3 | 88.9 | 4.78 | 5.49 | 5.49 | 7.62 | 7.62 |
| 90 | 31/2 | 101.6 | 4.78 | 5.74 | 5.74 | 8.08 | 8.08 |
| 100 | 4 | 114.3 | 4.78 | 6.02 | 6.02 | 8.56 | 8.56 |
Appliacation
Water Supply Systems
Constructions
Power Plant
Pulp Industry
Structural Pipe
Oil And Gas Pipeline
