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China Stainless Steel Casting Factory
1.What is Stainless Steel Casting?
Iron-based alloys containing more than 12% chromium are called stainless steel casting.
2.What are the performance characteristics of Stainless Steel Casting?
The most basic characteristics of stainless steel are its rust resistance under atmospheric conditions and its corrosion resistance in various liquid media. The meaning of stainless steel: stainless steel is a general term for stainless steel and acid-resistant steel. Stainless steel refers to steel that is resistant to weak corrosive media such as atmosphere, steam and water, while acid-resistant steel refers to steel that is resistant to chemically corrosive media such as acid, alkali and salt. There is a big difference between stainless steel and acid-resistant steel in the degree of alloying. Although stainless steel is rust-proof, it is not necessarily acid-resistant; while acid-resistant steel is generally rust-proof. A high-alloy steel that can resist corrosion in the air or chemically corrosive media. Stainless steel has a beautiful surface and good corrosion resistance. It does not need to undergo surface treatment such as plating, but gives full play to the inherent surface properties of stainless steel. It is a kind of steel used in many aspects and is usually called stainless steel. From the perspective of metallography, because stainless steel contains chromium, a very thin chromium film is formed on the surface. This film isolates the oxygen that invades the steel and plays a role in corrosion resistance. In order to maintain the inherent corrosion resistance of stainless steel, the steel must contain more than 12% chromium.
| Brand (GB 1220 | Heat Treatment ℃ | Tensile test | Hardness test | |||||
| 002 Mpa | 0b MPa | 8s % | ψ % | HB | HRB | HV | ||
| No more than | ||||||||
| 1Cr17Mn6Ni5N | Solid solution 1010-1120 fast cooling | 275 | 520 | 40 | 45 | 241 | 100 | 253 |
| 1Cr18Mn8Ni5N | Solid solution 1100-1150 fast cooling | 275 | 520 | 40 | 45 | 207 | 95 | 218 |
| 1Cr18Mn10Ni5Mo3N | Solid solution 1010-1150 fast cooling | 345 | 685 | 45 | 65 | |||
| 1cr17Ni7 | Solid solution 1010-1150 fast cooling | 205 | 520 | 40 | 60 | 187 | 90 | 200 |
| 1Cr18Ni9 | Solid solution 1010-1150 fast cooling | 205 | 520 | 40 | 60 | 187 | 90 | 200 |
| Y1Cr18Ni9 | Solid solution 1010-1150 fast cooling | 205 | 520 | 40 | 50 | 187 | 90 | 200 |
| Y1Cr18Ni98e | Solid solution 1010-1150 fast cooling | 205 | 520 | 40 | 50 | 187 | 90 | 200 |
| 0Cr18Ni9(304) | Solid solution 1010-1150 fast cooling | 205 | 520 | 40 | 60 | 187 | 90 | 200 |
| 00Cr19Ni10(304L) | Solid solution 1010-1150 fast cooling | 177 | 480 | 40 | 60 | 187 | 90 | 200 |
| 0Cr19Ni9N | Solid solution 1010-1150 fast cooling | 275 | 550 | 35 | 50 | 217 | 95 | 220 |
| 0Cr19Ni10NbN | Solid solution 1010-1150 fast cooling | 345 | 685 | 35 | 50 | 250 | 100 | 260 |
| 00Cr18Ni10N | Solid solution 1010-1150 fast cooling | 245 | 550 | 40 | 50 | 217 | 95 | 220 |
| 1Cr18Ni12(305) | Solid solution 1030-1050 fast cooling | 177 | 480 | 40 | 60 | 187 | 90 | 200 |
| 0Cr23Ni13(309S) | Solid solution 1030-1180 fast cooling | 205 | 520 | 40 | 60 | 187 | 90 | 200 |
| 0Cr25Ni20(310S) | Solid solution 1010-1150 fast cooling | 205 | 520 | 40 | 50 | 187 | 90 | 200 |
| 0Cr17Ni12Mo2(316) | Solid solution 1000-1100 fast cooling | 205 | 520 | 40 | 60 | 187 | 90 | 200 |
| 1Cr18Ni12Mo2Ti | Solid solution 1010-1120 fast cooling | 205 | 530 | 40 | 55 | 187 | 90 | 200 |
| 0Cr18Ni12Mo2Ti | Solid solution 1000-1100 fast cooling | 205 | 530 | 40 | 55 | 187 | 90 | 200 |
| 00Cr17Ni14Mo2(316L) | Solid solution 1010-1150 fast cooling | 177 | 480 | 40 | 60 | 187 | 90 | 200 |
| 0Cr17Ni12Mo2N(316N) | Solid solution 1010-1150 fast cooling | 275 | 550 | 35 | 50 | 187 | 95 | 200 |
| 00Cr17Ni13Mo2N | Solid solution 1010-1150 fast cooling | 245 | 550 | 40 | 50 | 217 | 95 | 220 |
| 0Cr18Ni12Mo2Cu2 | Solid solution 1010-1150 fast cooling | 205 | 520 | 40 | 60 | 217 | 90 | 220 |
| 00Cr18NI14Mo2Cu2 | Solid solution 1010-1150 fast cooling | 177 | 400 | 40 | 60 | 187 | 90 | 200 |
| 0Cr19Ni13Mo3 | Solid solution 1010-1150 fast cooling | 205 | 520 | 40 | 60 | 187 | 90 | 200 |
| 00Cr19Ni13Mo3 | Solid solution 1000-1100 fast cooling | 177 | 480 | 40 | 60 | 187 | 90 | 200 |
| 1Cr18Ni12Mo3Ti | Solid solution 1 000-1100 fast cooling | 205 | 530 | 40 | 55 | 187 | 90 | 200 |
| 0Cr18Ni12Mo3T | Solution 1030-1180 fast cooling | 205 | 530 | 40 | 55 | 187 | 90 | 200 |
| 0Cr18Ni16Mo5 | Solution 920-1150 fast cooling | 177 | 480 | 40 | 45 | 187 | 90 | 200 |
| 1Cr18Ni9T | Solution 920-1150 fast cooling | 205 | 520 | 40 | 50 | 187 | 90 | 200 |
| 0Cr18Ni10Ti(321) | Solution 980-1150 fast cooling | 205 | 520 | 40 | 50 | 187 | 90 | 200 |
| 0Cr18Ni11Nb(347) | Solution 1010-1150 fast cooling | 205 | 520 | 40 | 50 | 187 | 90 | 200 |
| 0Cr18Ni9Cu3 | Solution 1010-1150 fast cooling | 177 | 480 | 40 | 60 | 187 | 90 | 200 |
| 0Cr18Ni138i4 | Solution 950-1100 fast cooling | 205 | 520 | 40 | 60 | 207 | 95 | 218 |
| 0Cr26Ni5Mo2 | Solution 930-1050 fast cooling | 390 | 690 | 18 | 40 | 277 | 29 | 292 |
| 1Cr18Ni11Si4AITi | Solution 920-1150 fast cooling | 440 | 715 | 25 | 40 | |||
| 00Cr18NI5Mo3SI2 | Solid solution 1000-1100 fast cooling | 390 | 590 | 20 | 40 | 30 | 300 | |
Table: Commonly used stainless steel mechanical properties table
3.Chemical composition of stainless steel
| Steel No. | Domestic Number | Content of each chemical component (%) | |||||||||||
| C | Cr | Ni | Ti | Mn | Si | S | Mo | P | Al | Cu | Fe | ||
| 304 | 0Cr19Ni9 | ≤0.08 | 18.0-20.0 | 8.0~10.5 | ≤2.00 | ≤1.00 | ≤0.030 | ≤0.045 | margin | ||||
| 304L | 00Cr19Ni11 | 50.03 | 18.0~20.0 | 9.0~13.0 | ≤2.00 | ≤1.00 | ≤0.030 | ≤0.045 | margin | ||||
| 309S | 0Cr23Ni13 | ≤0.08 | 22.0～24.0 | 12.0~15.0 | ≤2.00 | ≤1.00 | ≤0.030 | ≤0.035 | margin | ||||
| 316 | 0Cr17Ni12Mo2 | ≤0.08 | 16.0～18.0 | 10.0~14.0 | ≤2.00 | ≤1.00 | ≤0.030 | 2.0~3.0 | 60.045 | margin | |||
| 316L | 00Cr17Ni14Mo2 | ≤0.03 | 16.0-18.0 | 12.0-15.0 | ≤2.00 | ≤1.00 | ≤0.030 | 2.0~3.0 | ≤0.045 | margin | |||
| 321 | 1Cr18Ni9Ti | ≤0.12 | 17.0～19.0 | 8.00～11.0 | ≥5X0 | ≤2.00 | ≤1.00 | ≤0.030 | ≤0.035 | margin | |||
| 322 | ≤0.12 | 16.0~18.0 | 6.00~8.00 | 1.00 | ≤2.00 | 1.00 | ≤0.030 | ≤0.045 | 1.00 | margin | |||
| 332 | ≤0.08 | 19.0~23.0 | 30.0~40.0 | ≤0.60 | ≤2.00 | ≤0.75 | ≤0.030 | E0.040 | 50.60 | margin | |||
| 430 | 1Cr17 | E0.12 | 16.0~18.0 | E0.60 | — | 1.00 | ≤0.75 | ≤0.030 | ≤0.035 | margin | |||
| 430LX | 1Cr17(Ferrite) | ≤0.03 | 16.0~19.0 | ≤0.60 | 0.1~1.0 | ≤1.00 | E0.75 | ≤0.030 | E0.040 | margin | |||
| England 6 0 0 | 50.15 | 14.0~17.0 | ≥72.0 | 61.00 | 60.50 | 60.015 | 50.50 | 6~10 | |||||
| England 8 0 1 | ≤0.05 | 20.50 | 32.0 | 1.10 | 0.15 | margin | |||||||
| England 8 2 5 | 0Cr21Ni42Mo3Cu2Ti | 50.02 | 19.5~23.5 | 38.0~46.0 | 0.6~1.2 | 51.00 | 60.50 | ≤0.030 | 2.5~3.5 | ≤0.20 | 1.5~3.0 | 22.0min | |
| England 8 4 0 | ≤0.08 | 18.0~22.0 | 18.0～22.0 | 1.00 | 1.00 | ≤0.60 | margin | ||||||
| 334 | ≤0.08 | 18.0~22.0 | 18.0~22.0 | ≤0.60 | ≤2.00 | 50.75 | ≤0.030 | 60.040 | 60.60 | margin | |||
| NAS840 | ≤0.08 | 18.0～22.0 | 18.0～22.0 | ≤0.60 | margin | ||||||||
| 310S | 0Cr25Ni20 | 50.08 | 24.0~26.0 | 19.0~22.0 | ≤2.00 | 1.50 | ≤0.030 | 50.045 | margin | ||||
| 840REP | 0.08 | 24.0~26.0 | 19.0~22.0 | margin | |||||||||
| England 8 0 0 | 1Cr21Ni33AlTi | 50.10 | 19.0-23.0 | 30.0-35.0 | 0.40 | 51.50 | ≤1.00 | 50.015 | 0.15～0.6 | 50.75 | 39.5min | ||
| NAS800 | ≤0.10 | 19.0-23.0 | 30.0~35.0 | 0.15-0.6 | margin | ||||||||
Table: Common stainless steel chemical composition
4.Comparison of stainless steel grades in various countries
| China GB1220-92[84] GB3220-92[84] | Japan JIS | USA AISI UNS | U.K. BS 970 Part4 BS 1449 Part2 | Germany DIN 17440 DIN 17224 | France NFA35-572 NFA35-576~582 NFA35-584 | Former Soviet Union TOCT5632 |
| 1Cr17Mn6Ni5M | SUS201 | 201 | ||||
| 1Cr18Mn8Ni5X | SUS202 | 202 | 12×17.T9AH4 | |||
| S20200 | 284S16 | |||||
| 2Cr13Mn9Ni4 | -- | -- | -- | |||
| 1Cr17Ni7 | SUS301 | 301 | ||||
| S30100 | 301S21 | X12CrNi177 | Z12CN17.07 | |||
| 1Cr17Ni8 | SUS301J1 | X12CrNi177 | —- | |||
| 1Cr18Ni9 | SUS302 | 302 | 302S25 | X12CrNi188 | Z10CN18.09 | 12X18H9 |
| 1Cr18Ni9Si3 | SUS302B | 302B | ||||
| YICr18Ni9 | SUS303 | 303 | 303S21 | X12CrNiS188 | Z10CNF18.09 | |
| Y1Cr18Ni9Se | SUS303Se | 303Se | 303S41 | -- | ||
| 0Cr18Ni9 | SUS304 | 304 | 304S15 | X2CrNi89 | Z6CN18.09 | 08×18B10 |
| 00Cr19Ni10 | SUS304L | 304L | 304S12 | X2CrNi189 | Z2CN18.09 | 03X18H11 |
| 0Cr19Ni9N | SUS304N1 | 304N | 25CN18.09A2 | |||
| 00Cr19Ni10NbN | SUS304N | XM21 | ||||
| 00Cr18Ni10X | SUS304LN | X2CrNiN1810 | 22CN18.10N | |||
| 1Cr18Ni12 | SUS305 | S30500 | 305S19 | X5CrNi1911 | Z8CN18.12 | 12X18H12T |
| [0Cr20Ni10] | SUS308 | 308 | -- | |||
| 0Cr23Ni13 | SUS309S | 309S | ||||
| 0Cr25Ni20 | SUS310S | 310S | ||||
| 0Cr17Ni12Mo2N | SUS315N | 316N.S31651 | - | -- | ||
| 0Cr17Ni12Mo2 | SUS316 | 316 | 316S16 | X5CrNiMo1812 | Z6CND17.12 | 08×17H12M2T |
| 00Cr17Ni14Mo2 | SUS316L | 316L | 316S12 | X2CrNiMo1812 | 22CND17.12 | 03×17H12M2 |
| 0Cr17Ni12Mo2N | SUS316N | 316N | - | |||
| 00Cr17Ni13Mo2N | SUS316LN | X2CrNiMoN1812 | 22CND17.12N | |||
| 0Cr18Ni12Mo2Ti | - | -- | 320S17 | X10CrNiMo1810 | Z6CND17.12 | |
| 0Cr18Ni14Mo2Cu2 | SUS316J1 | - | ||||
| 00Cr18Ni14Mo2Cu2 | SUS316J1L | -- | -- | |||
| 0Cr18Ni12Mo3Ti | - | - | - | - | ||
| 1Cr18Ni12Mo3Ti | - | - | ||||
| 0Cr19Ni13Mo3 | SUS317 | 317 | 317S16 | 08X17H15M3T | ||
| 00Cr19Ni13Mo3 | SUS317L | 317L | 317S12 | X2CrNiMo1816 | 03X16H15M3 | |
| 0Cr18Ni16Mo5 | SUS317J1 | - | - | |||
| 0Cr18Ni11Ti | SUS321 | 321 | X10CrNiTi189 | Z6CNT18.10 | 08X18H10T | |
| 1Cr18Ni9Ti | 12X18H20T | |||||
| 0Cr18Ni11Nb | sUS347 | 347 | 347S17 | X10CrNiNb189 | Z6CNNb18.10 | 08X18H12B |
| 0Cr18Ni13Si4 | SUSXM15J1 | XM15 | ||||
| 0Cr18Ni9Cu3 | SUSXM7 | XM7 | - | Z6CNU18.10 | -- | |
| 1Cr18Mn10NIMo3N | = | - | ||||
| 1Cr18Ni12Mo2Ti | -- | 320S17 | X10CrNiMoTi1810 | Z8CND17.12 | -- | |
| 00Cr18Ni5Mo3Si2 | -- | S31500 | 3RE60() | |||
| 0Cr26Ni5Mo2 | sUS329J1 | -- | - | |||
| 1Cr18Ni11Si4A1Ti | - | -- | -- | |||
| 1Cr21Ni5Ti | -- | -- | -- | -- | ||
| 0Cr13 | SUS410S | S41000 | X7Cr13 | 26C13 | 08X13 | |
| 1Cr13 | sUS410 | 410 | 410S21 | X10Cr13 | 212Cr13 | 12X13 |
| 2Cr13 | SUS420J1 | 420 | 420S29 | X20Cr13 | Z20Cr13 | 30X13 |
| -- | S4200 | 420S27 | -- | |||
| 3Cr13 | SUS420J2 | -- | 420S45 | 14X17H2 |
| 3Cr13Mo | ||||||
| 3Cr16 | SUS429J1 | -- | -- | - | - | -- |
| 1Cr17Ni2 | SUS431 | 431 | 431S29 | X22CrNi17 | 215CN-02 | |
| 7Cr17 | SUS440A | 440A | -= | - | -- | |
| 11Cr17 | SUS440C | 440C | 95X18 | |||
| 8Cr17 | SUS440B | 44013 | - | - | - | |
| 1Cr12 | - | - | - | -- | -- | |
| 4Cr13 | SUS420J2 | = | X4DCr13 | Z40C13 | ||
| 9Cr18 | SUS440C | 440C | X105CrMo17 | Z100CD17 | - | |
| 9Cr18Mo | SUS4400 | 440C | -- | -- | ||
| 9Cr18MoV | SUS440B | 440B | X90CrMoV18 | Z6CN17.12 | ||
| 0Cr17Ni4Cu4Nb | SUS630 | 630 | -- | |||
| 0Cr17Ni7A1 | SUS631 | 631 | 09X17H710 | |||
| -- | S17700 | X7CrNiA1177 | Z8CNA17.7 | |||
| 0Cr15Ni7Mo2A1 | - | 632 | ||||
| - | S15700 | -- | Z8CND15.7 | |||
| 00Cr12 | SUS410 | = | ||||
| 0Cr13A1[00Cr13A1] | SUS405 | 405 | -- | -- | -- | - |
| -- | -- | S40500 | 405S17 | X7CrA113 | 26CA13 | |
| 1Cr15 | SUS429 | 429 | -- | -- | - | -- |
| 1Cr17 | SUS430 | 430 | -- | -- | 12X17 | |
| -- | S43000 | 430S15 | X8Cr17 | 28C17 | ||
| [Y1Cr17] | SUS430F | 430F | —— | - | ||
| -- | S43020 | X12CrMoS17 | 210CF17 | -- | ||
| 00Cr17 | SUS430LX | - | -- | - | ||
| 1Cr17Mo | SUS434 | 434 | -- | - | ||
| -- | S43400 | 434S19 | X6CrMo17 | 28CD17.01 |
| 00Cr17Mo | SUS436L | -- | -- | |||
| 00Cr18Mo2 | SUS444 | |||||
| 00Cr27Mo | SUSXM27 | XM27 | ||||
| S44625 | Z01CD26.1 | |||||
| 00Cr30Mo2 | SUS447J1 | - | ||||
| 1Cr12 | SUS403 | 403,S40300 | 403S17 | - | ||
| 1Cr13Mo | SUS410J1 | -- |
5.What are the application areas of Stainless Steel Casting?
Stainless steel has been widely used in many fields due to its excellent corrosion resistance, heat resistance, low temperature resistance, high strength and environmental protection and non-toxicity. The following are the main application areas of stainless steel:
1) Construction field:
1.1. Structural materials: Stainless steel can be used in the construction of low-rise and high-rise buildings, educational and hospital buildings, stadiums, stations and other infrastructure. Its high strength and corrosion resistance make it an ideal material for withstanding gravity and environmental corrosion.
1.2. Decorative elements: Stainless steel decorative strips, skirtings, edging, etc. are widely used in the decoration of the interior and exterior of buildings. They are not only beautiful, but also easy to maintain and clean.
2) Transportation field:
2.1. Automobile manufacturing: Steel accounts for more than 50% of the weight of ordinary cars, among which advanced high-strength steel (AHSS) is widely used in vehicle manufacturing due to its lightweight, energy-saving and environmentally friendly characteristics. Different types of steel are used for parts such as body, door, engine, gearbox, steering, suspension, wheel axle and interior.
2.2. Other transportation tools: Stainless steel is also widely used in the manufacture of transportation tools such as trucks, trains, and ships, providing structural support and decorative functions.
3) Energy field:
3.1. Infrastructure: Stainless steel plays an important role in the construction of infrastructure in energy fields such as nuclear energy, wind energy, electricity and natural gas. For example, it is used in offshore platforms, earthwork and quarrying equipment, cranes and forklifts and other resource mining equipment.
3.2. Transmission equipment: Stainless steel is also used in the manufacture and installation of equipment such as oil and gas wells and platforms, pipelines, power turbine components, electric towers, wind turbines, transmission towers, etc.
4) Packaging field:
4.1. Cargo protection: Stainless steel packaging materials can protect goods from water, air and light, and are easy to recycle and reuse, meeting environmental protection requirements.
4.2. Food and beverage containers: Stainless steel is widely used in the manufacture of food and beverage containers, such as cans, bottle caps, etc., to ensure the safety and hygiene of food.
5) Home appliances and kitchenware:
5.1. Home appliances: Stainless steel is one of the important materials used in the manufacture of home appliances. For example, the internal structure and shell of equipment such as refrigerators, washing machines, ovens, and microwave ovens are often made of stainless steel.
5.2. Kitchen utensils: Stainless steel pots, kettles, sinks, hooks and other kitchen utensils are popular because of their durability, easy cleaning and corrosion resistance.
6) Machinery manufacturing:
6.1. Mechanical parts: Stainless steel is also widely used in the field of machinery manufacturing. For example, turbine blades and mechanical parts are often made of stainless steel.
6.2. Medical equipment: Due to its excellent corrosion resistance and hygiene, stainless steel is also widely used in the production of medical supplies, such as scalpels, needles, stents, catheters, etc.
7) Other fields:
7.1. Household items: Stainless steel is also widely used in household items, such as hangers, towel racks, hooks, lockers, etc., to improve the quality and practicality of home furnishings.
7.2. Chemical equipment: Stainless steel is also widely used in chemical equipment, such as the manufacture and installation of reactors, storage tanks and other equipment.
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