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JM Hardware® Standard Duplex Stainless Steel(PREN range: 30–40) - UNS No. S32003,S82441,S31803,S32205 Fastener
At JM Hardware®, we pride ourselves on being a trusted Standard Duplex Stainless Steel Manufacturer, offering high-performance fasteners and components tailored for demanding industrial environments. Duplex stainless steel stands out for its unparalleled strength, exceptional corrosion resistance, and cost-effective performance, making it the material of choice for industries such as oil & gas, marine, petrochemical, and construction. With our advanced manufacturing capabilities and commitment to quality, we deliver duplex stainless steel fasteners that meet the most rigorous standards and exceed your expectations.
description1
Zipper closure
1/4 zip athletic pullovers for men. Stretchy, lightweight, fast-drying
fabric for superior performance.
REGULAR FIT - US standard sizes. An athletic fit that sits close to the body
for a wide range of motion, designed for optimal performance and all day
comfort.
FEATURES - Quarter zip closure;Thumbholes on long sleeves to keep them in
place during workout
Description
Standard Duplex Stainless Steel: Chromium content between 19.5 and 23 percent, nickel content between 3 and 6.5 percent
S31803 Hex Bolt Set Chemical Element Testing by JM Hardware®
AS ISO 17781:2022 / ISO 17781:2022
Type 22Cr Duplex
30,0 ≤ PREN < 40,0 and Cr ≥ 19,5 %
| UNS No. | EN No. | C | Cr | Ni | Mo | N | Mn | Cu | W |
|---|---|---|---|---|---|---|---|---|---|
| J92205 | — | 0,03 | 21,0 to 23,5 | 4,5 to 6,5 | 2,5 to 3,5 | 0,10 to 0,30 | 1,50 | 1,0 | c |
| S31803 | 1.4462 | 0,03 | 21,0 to 23,0 | 4,5 to 6,5 | 2,5 to 3,5 | 0,08 to 0,20 | 2,00 | c | c |
| S32205 | 1.4462 | 0,03 | 22,0 to 23,0 | 4,5 to 6,5 | 3,0 to 3,5 | 0,14 to 0,20 | 2,00 | c | c |
| S31200 | — | 0,03 | 24,0 to 26,0 | 5,5 to 6,5 | 1,2 to 2,0 | 0,14 to 0,20 | 2,00 | c | c |
| S32404 | — | 0,04 | 20,5 to 22,5 | 5,5 to 8,5 | 2,0 to 3,0 | 0,20 to 0,30 | 2,00 | 1,0 to 2,0 | c |
| S32506 | — | 0,03 | 24,0 to 26,0 | 5,5 to 7,2 | 3,0 to 3,5 | 0,08 to 0,20 | 1,00 | — | 0,05 to 3,0 |
| S32808 | — | 0,03 | 27,0 to 27,9 | 7,0 to 8,2 | 0,8 to 1,2 | 0,30 to 0,40 | 1,10 | c | 2,1 to 2,5 |
| S32900 | 1.4460 | 0,08 | 23,0 to 28,0 | 2,5 to 5,0 | 1,0 to 2,0 | c | 1,0 | c | — |
| S82011 | — | 0,03 | 20,5 to 23,5 | 1,0 to 2,0 | 0,10 to 1,0 | 0,15 to 0,27 | 2,0 to 3,0 | 0,5 | c |
| S82122 | — | 0,03 | 20,5 to 21,5 | 1,5 to 2,5 | 0,60 | 0,15 to 0,20 | 2,0 to 4,0 | 0,5 to 1,5 | c |
| S82551 | — | 0,03 | 24,5 to 26,5 | 4,5 to 6,5 | 0,75 to 2,00 | 0,10 to 0,35 | 1,5 | 2,0 to 3,0 | c |
Duplex & Super Duplex Material Selection Chart
Lean Duplex → 2205 → 2507 → 27Cr Duplex
| Material Level | Typical Grade | EN No. | ISO 17781 Group | PREN Range | Typical Chemistry Focus | ISO 17781 Corrosion Test | Typical Environment | Fastener Application |
|---|---|---|---|---|---|---|---|---|
| Lean Duplex | S32101 / S32304 | 1.4162 / 1.4362 | Type 20Cr | 24–30 | Lower Ni / Mo, cost-efficient | ASTM A1084, 18–30°C × 24h | Mild–moderate chloride, structural & general industrial service | Bolts, nuts, threaded rods for less severe corrosive environments |
| Duplex 2205 | S31803 / S32205 | 1.4462 | Type 22Cr | 30–40 | Cr ≈ 22%, Mo ≈ 3%, N ≈ 0.15% | ASTM G48 Method A, 25°C × 24h | Oil & gas, chemical plants, process equipment, marine service | Stud bolts, bolts, nuts, anchor bolts, equipment fasteners |
| Super Duplex 2507 | S32750 | 1.4410 | Type 25Cr | 40–48 | Cr 24–26%, Ni 6–8%, Mo 3–5%, N 0.24–0.32% | ASTM G48 Method A, 50°C × 24h | High chloride, seawater, offshore, subsea | Offshore bolting, subsea fasteners, seawater system bolts, flange bolting |
| Super Duplex | S32760 | 1.4501 | Type 25Cr | 40–48 | Cr 24–26%, Mo 3–4%, N 0.20–0.30%, Cu + W | ASTM G48 Method A, 50°C × 24h | Aggressive seawater, offshore, chemical & sour-service related applications | Stud bolts, heavy hex bolts/nuts, valve & pump fasteners, offshore equipment |
| 27Cr High-Alloy Duplex | S33207 / S32707 | 1.4485 / 1.4658 | Type 27Cr | 48–55 | Higher Cr, Mo and N; very high pitting resistance | ASTM G48 Method A, 60°C × 24h | Extremely aggressive chloride / seawater / high-corrosion process environments | Critical offshore, subsea, chemical and special-project fasteners |
Forms of Stand Duplex SS Fastener Available at JM Hardware®
| Product name | Standard No. | Size | |
| BOLT | HEX HEAD BOLT | ANSI/ASME B18.2.1, DIN933, DIN931 | 1/4”-4”, M5-M100 |
| SOCKET CAP SCREW | ANSI/ASME B18.3, DIN912, DIN7991, DIN913/916 | 1/4”-4”, M5-M100 | |
| FLANGE BOLT | ANSI/ASME B18.2.3.4M-2001, DIN 6921 | 1/2”-4”, M10-M100 | |
| EYE BOLT | ANSI/ASME, DIN standard | 1/2”-4”, M10-M100 | |
| OTHER BOLT | U BOLT, T BOLT, J BOLT, SQURE HEAD BOLT, SHOULDER BOLT, AND NON-STANDARD BOLT ACCORDING TO CUSTOMER NEEDS. | ||
| STUD | THREADED ROD/BAR | ANSI/ASME, DIN975/DIN976 | 3/8”-4”, M5-M100 |
| DOUBLE ENDS STUDS | ANSI/ASME, DIN STANDARD | 3/8”-4”, M5-M100 | |
| NUT | HEX NUT | ANSI/ASME B18.2.2, DIN934 | 1/4”-4”, M5-M100 |
| HEAVY HEX NUT | ANSI/ASME B18.2.2, DIN standard | 1/2”-4”, M12-M100 | |
| NYLON LOCK NUT | ANSI/ASME B18.16.6-2008, DIN 985,DIN982 | 1/2”-4”, M12-M100 | |
| FLANGE NUT | ANSI/ASME, DIN6923 | 1/2”-4”, M12-M100 | |
| COUPLING NUT/LONG NUT | ANSI/ASME, DIN STANDARD | 1/2”-4”, M12-M100 | |
| SQUARE NUT | ANSI/ASME, DIN 557 | 1/2”-4”, M12-M100 | |
| HEX DOOMD CAP NUT | ANSI/ASME, DIN1587 | 1/2”-4”, M12-M100 | |
| WING NUT | ANSI/ASME, DIN315 | 1/2”-4”, M12-M100 | |
| WASHER | FLAT WASHER | ANSI/ASME B18.22.1, DIN125 | 3/8”-4”, M6-M100 |
| SPRING WASHER | ANSI/ASME B18.21.1, DIN127 | 3/8”-4”, M6-M100 |
Testing before shipping
Step 1: Size Detection
Step 2: GO Gauge and NO-GO Gauge Detection
Step 3: Chemical Composition Detection
Step 4: Mechanical Properties Test
Step 5: The product is carefully packaged
Application
Duplex stainless steels are usually selected for their high mechanical properties and good to very high corrosion resistance (particularly to stress corrosion cracking).
Oil and Gas:
a wide range of equipment: flowlines, manifolds, risers, pumps, valves, etc.
Pulp and Paper:
digesters, pressure vessels, liquor tanks, etc.
Chemical engineering:
pressure vessels, heat exchangers, condensers, distillation columns, agitators, marine chemical tankers, etc.
Water:
desalination plants, large tanks for water storage, waste water treatment
renewable energy: Biogas tanks
Mobility: tramcars and bus frames, tank trucks, iron ore wagons
Engineering: pumps, valves, fittings, springs, etc.
Oil and Gas:
a wide range of equipment: flowlines, manifolds, risers, pumps, valves, etc.
Pulp and Paper:
digesters, pressure vessels, liquor tanks, etc.
Chemical engineering:
pressure vessels, heat exchangers, condensers, distillation columns, agitators, marine chemical tankers, etc.
Water:
desalination plants, large tanks for water storage, waste water treatment
renewable energy: Biogas tanks
Mobility: tramcars and bus frames, tank trucks, iron ore wagons
Engineering: pumps, valves, fittings, springs, etc.
Technical Data
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