China Machinery Metal Jiangsu Co., Ltd.
| Payment Terms | D/P, L/C, T/T |
| Supply Ability | 100 metric tons per month |
| Delivery Time | 60-90 days |
| Packaging Details | Water prevent, seaworthy transport, mill's export standard packing |
| Material | UNS S24000, a low nickel austenitic stainless steel |
| Brand Name | CMMC |
| Model Number | As per specification and drawing |
| Certification | ISO 9001 etc. |
| Place of Origin | CMMC in CHINA |
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Product Specification
| Payment Terms | D/P, L/C, T/T | Supply Ability | 100 metric tons per month |
| Delivery Time | 60-90 days | Packaging Details | Water prevent, seaworthy transport, mill's export standard packing |
| Material | UNS S24000, a low nickel austenitic stainless steel | Brand Name | CMMC |
| Model Number | As per specification and drawing | Certification | ISO 9001 etc. |
| Place of Origin | CMMC in CHINA | ||
| High Light | high end special alloys ，high performance alloys ，steel nitronic 33 special alloys | ||
Stainless steel Nitronic 33 (UNS S24000, XM-29) wire, strip, tube and bar for MRI scanner supports, fittings etc
1 PRODUCT
Stainless steel Nitronic 33 (UNS S24000, XM-29) for MRI scanner supports, fittings etc.
Nitronic 33 Stainless Steel is available in bar, rod, wire, forging billets, sheet, strip, foil, extrusions, seamless tubing, shape etc.
2 OVERVIEW
Nitronic 33 is a low nickel austenitic stainless steel having an annealed yield strength twice that of 304. Better resistance to stress corrosion cracking than 304. Low magnetic permeability even after severe cold working.
3 APPLICATION
Cryogenic tanks valves, piping, flanges, structural supports. Abrasion/Wear Resistance screens, racks, and wear plates. Electrical (low magnetic permeability) conduit shielding, MRI scanner supports, fittings, underground transmission risers and pipe and electronic support members. Process equipment, heat exchangers, pressure vessels and piping where 304 is borderline with respect to stress corrosion cracking.
4 CHEMICAL COMPOSITION (wt%):
| Fe | Ni | Cr | C | Mn | Si | N | P | S |
| Balance | 2.30-3.70 | 17.0-19.0 | ≤0.08 | 11.5-14.5 | ≤0.75 | 0.2-0.4 | ≤0.060 | ≤0.030 |
5 PHYSICAL PROPERTY
Density at 70°F (21°C): 7.755 g/cm3 (0.28lb/in3)
Modulus of elasticity in tension: 29.0 x 103 ksi (200 x 103 MPa)
Magnetic Permeability: H = 500: Annealed: < 1.0014
Electrical resistivity
| Temperature | 77°F (25°C) | 212°F (100°C) | 392°F (200°C) | 752°F (400°C) | 1110°F (600°C) | 1470°F (800°C) |
| Microhms-cm | 74.0 | 80.0 | 87.0 | 100.0 | 110.0 | 119.0 |
Thermal conductivity
| Temperature | 212°F (100°C) | 392°F (200°C) | 572°F (300°C) | 752°F (400°C) | 932°F (500°C) | 1110°F (600°C) | 1290°F (700°C) | 1470°F (800°C) |
| BTU-in/hr-ft2-°F (W/m*K) | 110 (15.9) | 120 (17.3) | 131 (18.9) | 142 (20.4) | 153 (22.0) | 162 (23.4) | 171 (24.7) | 181 (26.1) |
Mean coefficient of thermal expansion
| 77°F to | 25°C to | μin/in-°F | μm/m-°C |
| 200 | 93 | 8.89 | 16.00 |
| 400 | 204 | 9.22 | 16.60 |
| 600 | 316 | 9.72 | 17.50 |
| 800 | 427 | 10.10 | 18.20 |
| 1000 | 538 | 10.40 | 18.70 |
| 1200 | 649 | 10.80 | 19.40 |
| 1400 | 760 | 11.20 | 20.20 |
| 1600 | 870 | 11.40 | 20.50 |
6 CORROSION RESISTANCE
Refer to NACE (National Association of Corrosion Engineers) for recommendations
7 MECHANICAL PROPERTIES
Annealed typical properties
Ultimate Tensile Strength: 115 Ksi (793 MPa)
Yield Strength: 68 Ksi (469 MPa)
Elongation: 50% min
Hardness: Rb 95
Tempered typical properties
Nitronic 33 can be cold worked to various temper ranges.
| Tempered | 10% Cold Work | 20% Cold Work | 30% Cold Work | 40% Cold Work | 50% Cold Work | 60% Cold Work |
| Ultimate Tensile Strength ksi (MPa) | 133 (917) | 160 (1103) | 184 (1269) | 200 (1379) | 210 (1448) | 222 (1530) |
| Yield Strength ksi (MPa) | 105 (724) | 140 (965) | 167 (1152) | 181 (1248) | 191 (1317) | 199 (1372) |
| Elongation % | 32 | 18 | 10 | 7.5 | 6.5 | 222 (1530) |
| Hardness Rc | 30 | 37 | 41 | 42 | 44 | 45 |
8 MACHINING AND FORMING
Forging
Heat to 2000°F, soak to equalize, then heat to 2150°F and equalize prior to forging.
Annealing
Soak at 1900-2050°F, quench quickly in air or water.
Hardening
Hardening this alloy requires cold working. It will not harden with exposure to thermal treatment.
9 STANDARD SPECIFICATION
ASTM A240(XM-29) Heat Resisting Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels
ASTM A276(XM-29) Bars and Shapes
ASTM A313(XM-29) Stainless Steel Spring Wire
ASTM A314(XM-28) Stainless and Heat Resisting Steel Billets and Bars for Forging
ASTM A479 / ASME SA479 (XM-29) Bars and Shapes for Use in Boilers and Other Pressure Vessels
ASTM A580(XM-29) Stainless steel wire
ASTM A688 (XM-29) Welded Austenitic Stainless Steel Feed water Heater Tubes
10 COMPETITIVE ADVANTAGE
(1) More than 50 years experience of research and develop in high temperature alloy, corrosion resistance alloy, precision alloy, refractory alloy, rare metal and precious metal material and products.
(2) 6 state key laboratories and calibration center.
(3) Patented and innovative technologies.
(4) Ultra-purity smelting process VIM + IG-ESR + VAR.
(5) High performance material.
11 BUSINESS TERM
| Minimum Order Quantity | Negotiable |
| Price | Negotiable |
| Packaging Details | water prevent, seaworthy transport, mill’s export standard packing |
| Mark | As per order |
| Delivery Time | 60-90 days |
| Payment Terms | T/T, L/C at sight, D/P |
| Supply Ability | 100 metric tons per month |
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2016
Total Annual:
50000000-80000000
Employee Number:
100~120
Ecer Certification：
Active Member
With background of more than 50 years of material R&D experience, CMMC is a high-tech enterprise specialized in production of high temperature alloys, corrosion resistant alloys, precision alloys, wear resistant alloys, refractory alloys and other special alloys. W... With background of more than 50 years of material R&D experience, CMMC is a high-tech enterprise specialized in production of high temperature alloys, corrosion resistant alloys, precision alloys, wear resistant alloys, refractory alloys and other special alloys. W...
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