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Chemical composition and mechanical properties of stainless steel coils | |||||||||
Grade | Chemical Composition (%) | Mechanical Performance | |||||||
C | Si | Mn | P | S | Ni | Cr | Mo | Hardness | |
201 | ≤0.15 | ≤1.00 | 5.5/7.5 | ≤0.060 | ≤0.030 | 3.5/5.5 | 16.0/18.0 | - | HB≤241,HRB≤100, HV≤240 |
304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8.0/11.0 | 18.00/20.00 | - | HB≤187,HRB≤90,HV≤200 |
316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | 2.00/3.00 | HB≤187, HRB≤90 HV≤200 |
316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.00/14.00 | 16.0/18.0 | 2.00/3.00 | HB≤187, HRB≤90 HV≤200 |
410 | ≤0.15 | ≤1.00 | ≤1.25 | ≤0.060 | ≤0.030 | ≤0.060 | 11.5/13.5 | - | HB≤183, HRB≤88 HV≤200 |
430 | ≤0.12 | ≤1.00 | ≤1.25 | ≤0.040 | ≤0.03 | - | 16.00/18.00 | - | HB≤183, HRB≤88 HV≤200 |
Surface | Definition | Application |
2B | Finished by heat treatment , picking or equivalent cold rolling , followed by skin pass to obtain adequate luster surface.
| With bright and smooth surface ,easy for further grinding to obtain brighter surface ,suitable for medical instruments ,milk containers ,tableware and so on.
|
BA | Bright heat treatment after cold rolling.
| Structural members .etc.kitchen utensil ,cutlery ,electric appliances ,medical instruments ,building decorations ,etc.
|
NO.3/NO.4 | Polished with No.150-240 abrasives.
| Milky food processing equipment , medical instruments ,building decorations.
|
HL | Finished by polishing with abrasives of suitable grain size to obtain continuous streaks.
| Building decorations ,such as elevators ,escalators ,door etc.
|
6K/8K | A mirror-like reflective surface ,which is obtained by polishing with successively finer abrasives and buffing extensively with all grit lines are removed.
| Building entrances,bulking column casting ,elevator's wall doors ,counters,sculptures etc. |
FAQ
Q1: WHO IS MEIBAOTAI ?
A1: Meibaotai Stainless Steel Products Co., Ltd.,which is the largest stainless steel products manufacturing and storing base for South China.
Q2: HOW CAN I GET SOME SAMPLE?
A2: Through the international express delivery,like UPS,DHL,TNT.
Q3: WHAT KIND OF PACKAGING COULD YOU PRODUCE?
A3: Waterproof paper, and steel strip packed.Standard Export Seaworthy Package.Suit for all kinds of transport,or as required.
Q4: WHAT TYPES OF PAYMENT DO YOU ACCEPT?
A4: The types of payment we usually use L/C and T/T.
Q5: WHICH REGIONS AND COUNTRIES DO YOU MAINLY EXPORT TO?
A5:We haved exported to over 30 coutries, mainly in, Middle East, Asia, Europe.