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{"title":"SUS440A Stainless Steel Sheet High Carbon High Chromium Metal","imgUrl":"https:\/\/img.chinax.com\/nimg\/a0\/c4\/459e7a5859b6895835e7d74cd031-200x200-1\/sus440a_stainless_steel_sheet_high_carbon_high_chromium_metal.jpg","attrs":{"Brand Name":"MITTEL","Model Number":"440A SUS440A","Certification":"SGS ISO MTC","Place of Origin":"China"}}
{"title":"Cold Rolled 317L Stainless Steel Metal Sheet 0.6mm - 3.0mm UNS S31703 Ionx Sheet","imgUrl":"https:\/\/img.chinax.com\/nimg\/39\/38\/a093ff4a453b9820dc2faef0b8d0-200x200-1\/cold_rolled_317l_stainless_steel_metal_sheet_0_6mm_3_0mm_uns_s31703_ionx_sheet.jpg","attrs":{"Brand Name":"TISCO","Model Number":"201 202 304 304L 309S 310S 316 316L 317L 321 400Series .etc","Certification":"SGS,BV","Place of Origin":"China(mainland)"}}
{"title":"SUH409L Stainless Steel Sheet Metal 1.4512 X2CrTi12 CERTS 3.1 Inox Sheet For","imgUrl":"https:\/\/img.chinax.com\/nimg\/10\/99\/a0c066b378159ee775062b0cbfeb-200x200-1\/suh409l_stainless_steel_sheet_metal_1_4512_x2crti12_certs_3_1_inox_sheet_for_automible_parts.jpg","attrs":{"Brand Name":"TISCO","Model Number":"409L","Certification":"SGS ISO MTC","Place of Origin":"China"}}
{"title":"Stainless Steel Cold Rolled Sheet 2Cr12MoV DIN 1.4923 X22CrMoV12-1 ESR 2.5*150","imgUrl":"https:\/\/img.chinax.com\/nimg\/2b\/9a\/5ccc3fc4dbad9aa2f2b6b14923e4-200x200-1\/stainless_steel_cold_rolled_sheet_2cr12mov_din_1_4923_x22crmov12_1_esr_2_5_2a150_2a1200mm.jpg","attrs":{"Brand Name":"TISCO","Model Number":"2Cr12MoV","Certification":"SGS ISO","Place of Origin":"China"}}
{"title":"304 8K Mirror Stainless Steel Metal Sheet ASTM A240 AISI 304 1.2mm X 1219mm X","imgUrl":"https:\/\/img.chinax.com\/nimg\/9d\/18\/b49f4c50e5e17a190c26cbee7999-200x200-1\/304_8k_mirror_stainless_steel_metal_sheet_astm_a240_aisi_304_1_2mm_x_1219mm_x_2438mm.jpg","attrs":{"Brand Name":"TISCO,ZPSS,LISCO","Model Number":"304","Certification":"ISO,BV,SGS","Place of Origin":"China Jiangsu"}}
Type 440A is a corrosion resistant martensitic stainless steel containing approximately 17% chromium offering a wide range of mechanical properties through heat treatment. This grade offers the superior wear resistance of high carbon steel with the corrosion resistance of a stainless steel. The optimum corrosion and hardness are obtained in the hardened and hardened and tempered condition. Type 440A is used for cutlery applications as well as dental and surgical instruments and is magnetic in both the annealed and heat-treated conditions.
Chemical Composition Chemical Composition (wt%) limits for Type 440A stainless steel*
Element
440A
Carbon
0.60-0.75
Chromium
16.0-18.0
Molybdenum
0.75
Nickel
0.50
Manganese
1.00
Silicon
1.00
Phosphorus
0.040
Sulfur
0.030
* Maximum, unless range is indicated
Mechanical Properties Typical mechanical property requirements for annealed product
Property
440A
Yield Strength, min. (ksi)
60-62
Tensile Strength, min. (ksi)
65
Elongation, min. (%)
20
Hardness, max. (Rb)
95-96
Physical Properties Physical properties for Type 440A stainless steel
Property
440A Data
Density, lb/in3
0.280
Modulus of Elasticity, psi
29.0 x 106
Coefficient of Thermal Expansion, 68-212˚F, /˚F
5.6 x 10-6
Thermal Conductivity, Btu/ft hr ˚F
14.0
Specific Heat, Btu/lb ˚F
0.11
Electrical Resistivity, Microohm-in
23.6
Standards Typical standards for Type 440A stainless steel
440A
ASTM A276
Data are typical, are provided for informational purposes
Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta... Jiangsu Mittel Steel Industrial Limited is located in Wuxi City, a beautiful city near Shanghai. Wuxi is close to Shanghai (BAO STEEL) ,Zhangjiagang (ZPSS),Ningbo (BAO XIN),KUN SHAN (DKSS), enjoy excellent geographic location and convenient water, land and air transporta...
