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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.
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.
Q6: HOW ABOUT YOUR DELIVERY TIME?
A6: 7~15 days for spot products and 30~45 days for customized
products
Q7: COULD WE PUT OUR LOGO ON THE PRODUCTS?
A7: Yes.You must have your own log or mark on them..So sure that if
you need us put the logo on the products. You can provide us the
format and detail,then we will do it for you.