High Carbon EN 1.4021 / DIN X20Cr13 / AISI 420 Stainless Steel Round Bar Hot Rolled Black Surface
Standard : JIS G4303, GB/T 1220 - 2007 , ASTM A276 ASTM A484 / 484M
Material: SS Bar, SS Round Bar, Stainless Steel Bar, Stainless Steel Round Bar
AISI /ASTM:
Austenitic: 201 , 202 , 301, 303 , 304 , 304L , 309 , 309S , 309Nb , 310 , 310L , 310S, 310H , 314 , 316 , 316TI , 316L , 316LN , 317, 317L , 321 , 347, 347L , 347H , 904L
Duplex: 2205 , 2304 , 2507, 255 , 253mA, 254MO , 654MO , S32304 , S32550 , S31803 , S32850 ,
Ferritic; 409, 409L , 430 , 431 , 434 , 436 , 441 , 443 , 444 , 446 , 430F , 1Cr17 , X8Cr17
Martensitic: 410s , 410 , 420 , 420J1 , 420J2 , 430F , S165M , S135M , 0Cr13 , 1Cr13 , 2Cr13 , 3Cr13 ;
Inconel: 600 , 607, 617, 625 ,
PH : 630 , 631 , 17-7 17-4 PH , 17-5 , 329
EN:
Austenitic: 1.4272 , 1.4273 , 1.4310 , 1.4305 , 1.4301 , 1.4306 , 1.4833 , 1.4835 , 1.4845 , 1.4841 , 1.4401 , 1.4404 , 1.4571 , 1.4438 , 1.4541 , 1.4878 , 1.4550 , 1.4539 , C126
Duplex: 1.4462 , 1.4362 , 1.4410 , 1.4507
Ferritic: 1.4512 , 1.400 , 1.4016 , 1.4113 , 1.4510 , 1.4512 , 1.4526 , 1.4521 , 1.4530 , 1.4749 ;
Martensitic: 1.4006 , 1.4021 , 1.4418
2. Surface: Bright, Peeled, Black ,Polished , Mirror ,Grit 180 Grit 320 Grit 400 ,Grit 600.
3. Standard: AISI, ASTM, GB, BS, DIN, JIS, etc.
4. Quality: Prime quality
5. Technique: Hot Rolled and Cold Rolled
6. Origin: China
7. Specification:
Diameter: 1.0 , 2.0 , 3.0, 4.0 , 5.0 , 6.0 , 7 , 8.0, 10.0 , 11 , 12 .0, 14.0 , 15 , 16 .0 , 18 .0, 19 , 20 , 22 , 24, 25 , 26 , 27 , 28 , 29 , 30 , 31, 32 , 34 , 35 , 36 , 37 ,38 , 40 , 42 , 45 , 46 , 47 , 48 , 50 , 55 , 60, 65 , 70 , 76 , 78 , 80, 85 , 90 , 95 ,100 , 110 ,120 , 150 , 160 , 180 , 200 , 202 , 220 , 230 , 240 , 250 , 260 , 280, 300mm , 350, 400 , 450 , 500 , 550 , 600 , 650 , 700 mm , 750 mm , 800 mm 1" , 1 1/2" ,2" 3" , 4" , 5" , 6" , 7" , 8" , 9" , 10" , 20" , 30 " , 40" , 50" .
Length : 3 meters , 6 .0 meters , 5.8 meters , 10 meters , 11.8meters 12.0 meters
Other size can be supplied as customers' requirement.
1: AISI420 steel introduction
AISI 420 stainless steel (SS420) is a straight chromium martensitic stainless steel grade with certain wear resistance, corrosion resistance and high hardness.
It offers good ductility in its annealed state and excellent corrosion resistance properties when the metal is polished, surface grounded or hardened. This grade has the highest hardness - 50HRC - among all the stainless steel grades with 12% chromium.
Stainless steel grades that are similar to grade 420 stainless steels include martensitic steels such as the other versions of grade 420, having vanadium, sulphur and molybdenum in their composition, and the grade 440 series. Non-standard grade 420C has carbon content that is little higher than that of grade 420.
2: AISI420 Steel equivalent
| Country |
Japan |
Germany |
USA |
China |
French |
| Standard |
JIS |
DIN |
AISI |
GB/T |
NFA35-572 |
| Grade |
SUS420J1 |
X20Cr13/1.4021 |
420 |
2Cr13 |
Z20Cr13 |
3: AISI420 steel chemical composition
| Grade |
C≤ |
Si≤ |
Mn≤ |
P≤ |
S≤ |
Cr |
| SUS420J1 |
0.16-0.25 |
1.0 |
1.0 |
0.04 |
0.03 |
12-14 |
| AISI420 |
0.15 Min |
1.0 |
1.0 |
0.04 |
0.03 |
12-14 |
| 1.4201 |
0.16-0.25 |
1.0 |
1.5 |
0.04 |
0.06 |
12-14 |
4: AISI420 steel mechanical properties
The mechanical properties mainly include tensile strength, yield strength, elongation, area or reduction, hardness, impact value, non-metalic inclusion etc. Different heat treatment, the mechanical properties will be different, such as annealed, Solid Solution. If you want to know the properties, kindly contact the salesman.
5: AISI420 steel overviews
| Size |
Round |
Dia 0.1-500mm |
| Plate/Flat/Block |
Thickness
0.3mm-200mm |
Width
1mm-2500mm |
| Heat treatment |
Annealed ; Solid Solution |
| Surface condition |
Black; Peeled; Polished; Machined;Sand blast etc |
| Delivery condition |
Forged; Hot rolled; Cold drawn |
| Test |
Tensile strength, Yield strength, elongation, area of reduction, impact value, hardness, grain size, ultrasonic test, US inspection, magnetic particle testing, etc. |
| Payment terms |
T/T;L/C;/Money gram/ Paypal |
| Trade terms |
FOB; CIF; C&F; etc.. |
| Delivery time |
30-45 days |
| Application |
AISI420 stainless steels are used in Shear blades,needle valves, surgical equipment, cutlery |
6: Delivery condition
For hot forged bar, usually the delivery condition is hot forged, annealed/solid solution, rough turned/Black surface.
For hot rolled bar, usually the delivery condition is hot rolled, annealed/solid solution, Black surface.
For hot rolled plate, usually the delivery condition is hot rolled, annealed/solid solution, black surface.
For cold drawn bar, usually the delivery condition is cold drawn, annealed/QT, peeled/black surface.
Q1: Are you a factory or a trading company?
A: We are both. We have our own factory and also work as traders, giving you the best prices and flexible service.
Q2: What is your advantage over other suppliers?
A: We offer custom sizes, supply from our factory or top mills (like Baosteel/Shagang), ensure quality with ISO certification, and provide stable supply.
Q3: What products do you sell?
A: We supply carbon steel, stainless steel, alloy steel, and construction materials like pipes, coils, sheets, beams, and bars.
Q4: Can you customize products?
A: Yes. We customize dimensions (length, width, thickness), slit coils, and meet different standards and packaging needs.
Q5: How to get a quote?
A: Send us product name, specifications, quantity, and destination port. We reply quickly.
Q6: What are your payment terms?
A: We accept T/T (30% deposit, 70% before shipment) or L/C at sight.
Q7: What is your production lead time?
A: Standard items: 7-10 days. Custom orders: 15-25 days.
Q8: How do you ship?
A: We ship from Shanghai or Tianjin with major shipping companies. We handle all export procedures under FOB, CIF, or CFR terms.
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