Home/ Stainless Steel Instrumentation Fittings / Stainless Steel 904L Instrumentation Fittings
Global Steel is a prominent supplier and manufacturer of Stainless Steel 904L Instrumentation Fittings. These fittings are made using superior quality raw materials and world-class technology. We make these instrumentation Fittings with great care to ensure that they are of the best quality to satisfy the needs of both domestic and international customers, and we provide them as requested.
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These Stainless Steel 310S Instrumentation Fittings are also available in a number of sizes, finishes, lengths, and thicknesses. While producing high-quality instrumentation Fittings, our professional craftsmen adhere to all requirements.
Stainless Steel 904L Instrumentation Fittings are made from alloy steel which is used in applications which require relatively high resistance to corrosion. Stainless Steel 904L Instrumentation Fittings are made of a pure alloy with low sulphur content. They can be used in several applications. The copper in its alloy enhances its resistance to strong acids like sulphuric acid. Stainless Steel 904L Instrumentation Fittings have higher magnetic properties than other stainless steel instrumentation fittings. In acidic environments, Stainless Steel 904L Instrumentation Fittings display strong resistance to stress corrosion cracking and crevice corrosion. In chloride solutions, Stainless Steel 904L Instrumentation Fittings have excellent abilities to resist pitting due to the addition of nickel in its composition. Solution heat-treating of grade 904L stainless steels at 1090 to 1175°C followed by quick cooling is possible. These grades can be hardened by thermal treatment. Stainless Steel 904L Instrumentation Fittings can be easily welded using common welding techniques. preheat and post-heat treatment is not required in Stainless Steel 904L Instrumentation Fittings.
What types of Stainless Steel 904L Instrumentation Fittings are available in the market?
Stainless Steel 904L Instrumentation Fittings are available in various types, including tube fittings, pipe fittings, and compression fittings. These fittings are available in different sizes, shapes, and specifications to suit multiple applications. Some commonly used Stainless Steel 904L Instrumentation Fittings include elbows, tees, adapters, couplings, valves, and reducers. These fittings are used in chemical processing, oil and gas, power generation, and water treatment.
What are the advantages of using Stainless Steel 904L Instrumentation Fittings?
Stainless Steel 904L Instrumentation Fittings offer several advantages. They are highly resistant to corrosion and pitting in aggressive environments, including sulfuric acid, hydrochloric acid, and other chloride-containing environments. This material is also highly resistant to stress corrosion cracking, making it suitable for harsh conditions. Stainless Steel 904L Instrumentation Fittings are durable and long-lasting, with excellent fatigue strength and toughness. They are also easy to install, disassemble, and reassemble and require minimal maintenance. These fittings are commonly used in various applications, including chemical processing, oil and gas, and power generation.
Can Stainless Steel 904L Instrumentation Accessories be used in cryogenic applications?
Cryogenic applications can make use of stainless steel 904L instrumentation accessories. The material is exceptionally resistant to corrosion and fracture at cryogenic temperatures and has good low-temperature toughness. The storage and transportation of liquefied natural gas (LNG), as well as other low-temperature industrial applications, are examples of applications where it is appropriate for use. Yet to guarantee optimum performance in cryogenic conditions, it’s crucial to choose a suitable grade of Stainless Steel 904L Instrumentation Accessories and to ensure proper installation.
| Imperial Size | 1/2″ to 2″ |
| Size | 1/16”OD to 2”OD, 2mm OD to 50mm OD |
| Thread | NPT, BSP, BSPT, UNF, ISO, SAE, MS, AN, weld ends etc. |
| Pressure Rating | 6000PSI for Stainless Steel, 300/1000/3000PSI for Brass |
| Temperature Ratings | Up to 1000°F (537°C) |
| Types | Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories |
| Application | Power/ gas/ petroleum/ chemical/ metallurgy/ shipbuilding etc. |
| Our service |
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| Test Certificates |
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| Production Technique | Forged/ Heat treated and machined. |

| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | KS | AFNOR | EN |
| SS 904L | 1.4539 | N08904 | SUS 904L | 904S13 | STS 317J5L | Z2 NCDU 25-20 | X1NiCrMoCu25-20-5 |






Contact us to get a quick quote for your requirement.
We offer These Stainless Steel 904L Instrumentation Fittings as per DIN, ISO, JIS or ANSI Standard.
| METRIC RANGE | Dimension in mm | |||||||||
| Part | T | P | L1 | M | C | D | F | G | H | N |
| N0 | mmo/d | Length | Body | Nut | Body | |||||
| 4mMC2 | 4 | 1/8′ | 31.35 | 9.53 | 16.67 | 14.29 | 12 | 12 | 24.21 | 10.72 |
| 4mMC4 | 4 | 1/4′ | 35.72 | 14.29 | 16.67 | 14.29 | 14 | 12 | 29.37 | 15.88 |
| 6mMC2 | 6 | 1/8′ | 33.34 | 9.53 | 18.26 | 15.88 | 14 | 14 | 25.40 | 11.11 |
| 6mMC4 | 6 | 1/4′ | 33.34 | 14.29 | 18.26 | 15.88 | 14 | 14 | 30.16 | 12.70 |
| 6mMC6 | 6 | 3/8′ | 38.89 | 14.29 | 18.26 | 15.88 | 19 | 14 | 30.96 | 13.49 |
| 6mMG8 | 6 | 1/2′ | 44.45 | 19.05 | 18.26 | 15.88 | 22 | 14 | 36.51 | 15.88 |
| 8mMC2 | 8 | 1/8′ | 34.53 | 9.53 | 19.05 | 16.67 | 14 | 17 | 26.59 | 11.51 |
| 8mM04 | 8 | 1/4′ | 39.29 | 14.29 | 19.05 | 16.67 | 14 | 17 | 31.35 | 13.10 |
| 10mM02 | 10 | 1/8′ | 35.72 | 9.53 | 19.84 | 17.46 | 17 | 19 | 27.78 | 11.91 |
| 10mMC4 | 10 | 1/4′ | 40.48 | 14.29 | 19.84 | 17.46 | 17 | 19 | 32.54 | 13.49 |
| 10mMC6 | 10 | 3/8′ | 40.48 | 14.29 | 19.84 | 17.46 | 19 | 19 | 32.54 | 13.49 |
| 10mMC8 | 10 | 1/2′ | 46.04 | 19.05 | 19.84 | 17.46 | 22 | 19 | 38.10 | 15.88 |
| 10mMC12 | 10 | 3/4′ | 46.83 | 19.05 | 19.84 | 17.46 | 27 | 19 | 38.89 | 15.08 |
| 12mMC4 | 12 | 1/4′ | 43.66 | 14.29 | 22.23 | 23.02 | 22 | 22 | 33.34 | 11.11 |
| 12mMC6 | 12 | 3/8′ | 43.66 | 14.29 | 22.23 | 23.02 | 22 | 22 | 33.34 | 11.11 |
| 12mMC8 | 12 | 1/2′ | 48.42 | 19.05 | 22.23 | 23.02 | 22 | 22 | 38.10 | 12.70 |
| 12mM012 | 12 | 3/4′ | 49.21 | 19.05 | 22.23 | 23.02 | 27 | 22 | 38.89 | 11.91 |
| 16mMC6 | 16 | 3/8′ | 44.45 | 14.29 | 22.23 | 24.61 | 24 | 27 | 34.13 | 10.32 |
| 16mMC8 | 16 | 1/2′ | 49.21 | 19.05 | 22.23 | 24.61 | 24 | 27 | 38.89 | 11.91 |
| 16mMC12 | 16 | 3/4′ | 49.21 | 19.05 | 22.23 | 24.61 | 27 | 27 | 38.89 | 10.32 |
| 18mMC8 | 18 | 1/2′ | 50.80 | 19.05 | 22.23 | 24.61 | 27 | 30 | 40.48 | 13.49 |
| 18mMC12 | 18 | 3/4′ | 50.80 | 19.05 | 22.23 | 24.61 | 27 | 30 | 40.48 | 10.32 |
| 18mMC16 | 18 | 1″ | 56.36 | 23.81 | 22.23 | 24.61 | 36 | 30 | 46.40 | 14.29 |
| 20mMC8 | 20 | 1/2′ | 50.80 | 19.05 | 22.23 | 24.60 | 27 | 30 | 40.48 | 13.49 |
| 20mM012 | 20 | 3/4′ | 50.80 | 19.05 | 22.23 | 24.61 | 27 | 30 | 40.48 | 10.32 |
| 20mM016 | 20 | 1″ | 56.36 | 23.81 | 22.23 | 14.61 | 36 | 30 | 46.04 | 14.39 |
| 25mMC12 | 25 | 3/4′ | 57.15 | 19.05 | 26.19 | 30.96 | 36 | 41 | 45.24 | 11.91 |
| 25mMC16 | 25 | 1″ | 61.91 | 23.81 | 26.19 | 30.96 | 36 | 41 | 50.01 | 13.49 |
| METRIC RANGE | Dimention in Inches | |||||||||
| Part | T | P | L1 | M | C | D | F | G | H | N |
| N0 | mmo/d | Length | Body | Nut | Body | |||||
| 1MC1 | 1/16 | 1/16 | .94 | .38 | .44 | .34 | 5/16 | 5/16 | .78 | .34 |
| 1MC2 | 1/16 | 1/8 | 1.00 | .38 | .44 | .34 | 1/2 | 5/16 | .84 | .41 |
| 2MC1 | 1/8 | 1/16 | 1.19 | .38 | .63 | .53 | 1/2 | 7/16 | .91 | .41 |
| 2MC2 | 1/8 | 1/8 | 1.19 | .38 | .63 | .53 | 1/2 | 7/16 | .91 | .41 |
| 2MC4 | 1/8 | 1/4 | 1.41 | .56 | .63 | .53 | 9/16 | 7/16 | 1.13 | .50 |
| 3MC2 | 3/16 | 1/8 | 1.21 | .38 | .63 | .54 | 7/16 | 1/2 | .95 | .43 |
| 3MC4 | 3/16 | 1/4 | 1.42 | .38 | .63 | .54 | 9.16 | 1/2 | 1.16 | .54 |
| 4MC1 | 1/4 | 1/16 | 1.29 | .56 | .70 | .60 | 1/2 | 9/16 | 1.00 | .46 |
| 4MC2 | 1/4 | 1/8 | 1.29 | .56 | .70 | .60 | 1/2 | 9/16 | 1.00 | .45 |
| 4MC4 | 1/4 | 1/4 | 1.50 | .75 | .72 | .63 | 9/16 | 9/16 | 1.19 | .50 |
| 4MC6 | 1/4 | 3/8 | 1.51 | .38 | .70 | .60 | 11/16 | 9/16 | 1.19 | .56 |
| 4MC8 | 1/4 | 1/2 | 1.73 | .56 | .70 | .60 | 7/8 | 9/16 | 1.44 | .67 |
| 5MC2 | 5/16 | 1/8 | 1.34 | .38 | .73 | .64 | 9/16 | 5/8 | 1.05 | .46 |
| 5MC4 | 5/16 | 1/4 | 1.52 | .56 | .73 | .64 | 9/16 | 5/8 | 1.23 | .54 |
| 6MC2 | 3/8 | 1/8 | 1.38 | .56 | .76 | .66 | 5/8 | 11/16 | 1.09 | .48 |
| 6MC4 | 3/8 | 1/4 | 1.57 | .75 | .76 | .66 | 5/8 | 11/16 | 1.28 | .57 |
| 6MC6 | 3/B | 3/8 | 1.57 | .75 | .76 | .66 | 11/16 | 11/16 | 1.28 | .56 |
| 6MC8 | 3/B | 1/2 | 1.79 | .56 | .76 | .66 | 7/8 | 11/16 | 1.50 | .67 |
| 6MC12 | 3/8 | 3/4 | 1.82 | .56 | .76 | .66 | 1-1/16 | 11/16 | 1.53 | .68 |
| 8MC4 | 1/2 | 1/4 | 1.17 | .75 | .86 | .90 | 13/16 | 7/8 | 1.31 | .47 |
| 8MC6 | 1/2 | 3/8 | 1.71 | .75 | .86 | .90 | 13/16 | 7/8 | 1.31 | .46 |
| 8MC8 | 1/2 | 1/2 | 1.90 | .56 | .86 | .90 | 7/8 | 7/8 | 1.50 | .54 |
| 8MC12 | 1/2 | 3/4 | 1.93 | .75 | .86 | .90 | 1-1/16 | 7/8 | 1.53 | .55 |
| 10MC6 | 5/8 | 3/8 | 1.74 | .56 | .86 | .96 | 15/16 | 1 | 1.34 | .43 |
| 10MC8 | 5/8 | 1/2 | 1.93 | .75 | .86 | .96 | 15/16 | 1 | 1.53 | .51 |
| 10MC12 | 5/B | 3/4 | 1.93 | .75 | .86 | .96 | 1-1/16 | 1 | 1.53 | .49 |
| 12MC8 | 3/4 | 1/2 | 1.99 | .75 | .86 | .96 | 1-1/16 | 1-1/8 | 1.59 | .57 |
| 12MC12 | 3/4 | 3/4 | 1.99 | .75 | .86 | .96 | 1-1/16 | 1-1/18 | 1.59 | .55 |
| 12MC16 | 3/4 | 1 | 2.21 | .94 | .86 | .96 | 1-3/16 | 1-1/8 | 1.81 | .68 |
| 16MC12 | 1 | 3/4 | 2.26 | .75 | 1.04 | 1.23 | 1-3/8 | 1-1/2 | 1.78 | .55 |
| 16MC16 | 1 | 1 | 2.45 | .94 | 1.04 | 1.23 | 1-3/8 | 1-1/2 | 1.97 | .65 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | 1.00 – 2.00 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1350 °C (2460 °F) | Psi – 71000 , MPa – 490 | Psi – 32000 , MPa – 220 | 35 % |
Application Industry
Instrumentation Fittings applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Brazil, Philippines, Lebanon, Turkey, Libya, Ghana, Netherlands, Australia, China, Belarus, Chile, Denmark, Costa Rica, Nigeria, Peru, Bolivia, Iraq, Colombia, Belgium, Azerbaijan, Czech Republic, Canada, Oman, Switzerland, Germany, Sri Lanka, New Zealand, Italy, France, United Kingdom, Qatar, Argentina, Bulgaria, Bangladesh, Malaysia, Gambia, Jordan, Algeria, Tunisia, Yemen, Egypt, Norway, Trinidad & Tobago, Iran, Lithuania, Nigeria, Ecuador, Austria, Spain, Ireland, Tibet, Serbia, Mongolia, South Africa, Saudi Arabia, Indonesia, Angola, Portugal, Slovakia, Romania, Hungary, Kuwait, Bhutan, Afghanistan, Vietnam, South Korea, Gabon, Ukraine, Poland, Croatia, United States, Greece, Morocco, Kenya, Singapore, Iran, Hong Kong, Israel, Puerto Rico, Mexico, Finland, Kazakhstan, Taiwan, Poland, Sweden, United Arab Emirates, Estonia, India, Venezuela, Japan, Mexico, Zimbabwe, Macau, Thailand, Nepal, Russia, Pakistan, Bahrain, Chile, Namibia.
Ernakulam, Brisbane, Jaipur, Dammam, Moscow, Visakhapatnam, Ahmedabad, Montreal, Chennai, Houston, Ho Chi Minh City, Ahvaz, Hanoi, Ankara, Indore, Ludhiana, New York, Thiruvananthapuram, Jakarta, Pune, Secunderabad, Ranchi, Sharjah, Thane, Mumbai, Caracas, Cairo, Lahore, Chiyoda, Faridabad, Abu Dhabi, Rio de Janeiro, Singapore, Kuala Lumpur, Nagpur, Los Angeles, Madrid, Kolkata, Istanbul, Bangkok, Al Jubail, Calgary, Doha, Muscat, Baroda, Milan, Jeddah, Chandigarh, Perth, Rajkot, Petaling Jaya, Ulsan, Colombo, Kuwait City, Gimhae-si, London, Navi Mumbai, Pimpri-Chinchwad, Noida, Manama, Coimbatore, Gurgaon, Jamshedpur, Melbourne, Riyadh, Hyderabad, Algiers, Kanpur, Bhopal, Bogota, Vung Tau, Surat, Santiago, Aberdeen, Howrah, Al Khobar, Granada, Geoje-si, Busan, Vadodara, Dubai, New Delhi, Nashik, Hong Kong, Karachi, Toronto, Sydney, Edmonton, Lagos, Haryana, Port-of-Spain, Mexico City, Atyrau, La Victoria, Dallas, Tehran, Seoul, Bengaluru, Courbevoie.
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Global Steel is a significant manufacturer and exporter of all ferrous and non-ferrous metals. As a pioneer and leader in the industry, Global Steel is at the forefront of technology and research.
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