904L stainless steel fasteners are manufactured from a high-alloy austenitic stainless steel known for their exceptional corrosion resistance, particularly in chloride-containing environments. These fasteners are unstabilized and have a low carbon content, making them resistant to intergranular corrosion. They are commonly used in industries such as chemical processing, oil and gas, and papermaking, where corrosion resistance and high-temperature resistance are critical.
Does 904L steel rust?
904L is more corrosion-resistant than other types of stainless steel. This metal offers strong resistance to pitting and crevice corrosion, making it ideal for use in harsh environments. While 904L is more expensive than other types of stainless steel, its superior corrosion resistance is well worth the price.
Specification :
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
| Standard | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Hex nuts |
| Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
| Length | 3 mm to 200 mm | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
Chemical Composition
| Grade | Mn | C | P | Si | N | S | Mo | Cr | Ni |
| 904L | 2.00 max | 0.20 max | 0.045 max | 1.00 max | 0.10 - 0.25 | 0.035 max | 4.00 - 5.00 | 19.0 - 23.0 | 23.00 - 28.00 |
Mechanical Properties
| Grade | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Hardness | |
| Brinell (HB) max | Rockwell B (HR B) max | ||||
| 904L | 35 | 220 | 490 | – | 70-90 typical |
904L Stainless Steel Bolts Dimensions (904L Stainless Steel Hex Bolt Dimension)
|
NOMINAL SIZE (D) |
BODY DIAMETER |
HEAD THICKNEASTM A193 |
ACROASTM A193 THE FLATS |
ACROASTM A193 CORNERS |
||||
|---|---|---|---|---|---|---|---|---|
|
D (MAX) |
D (MIN) |
H (MAX) |
H (MIN) |
F (MAX) |
F (MIN) |
C (MAX) |
C (MIN) |
|
|
m10 |
10.00 |
9.78 |
6.63 |
6.17 |
17.00 |
15.73 |
18.48 |
17.77 |
|
m12 |
12.00 |
11.73 |
7.76 |
4.24 |
19.00 |
17.73 |
20.78 |
20.03 |
|
m14 |
14.00 |
13.73 |
9.09 |
8.51 |
22.00 |
20.67 |
24.25 |
23.35 |
|
m16 |
16.00 |
15.73 |
10.32 |
9.68 |
24.00 |
23.67 |
27.71 |
26.75 |
|
m20 |
20.00 |
19.67 |
12.88 |
12.12 |
30.00 |
29.16 |
34.64 |
32.95 |
Gnee Steel specializes in the production and sale of a wide range of stainless steel products, including 304, 316, 321, 904, 904L, 2205 Duplex, 2205 Duplex, and 316L stainless steel. Gnee Steel's products are widely used in the kitchen, aerospace, chemical, power, automotive, and nuclear energy sectors. We also provide custom stainless steel solutions tailored to customer needs. For stainless steel pricing or custom alloy solutions, please email ru@gneesteelgroup.com for a quote.