What does stainless steel 304316304l or 306l mean?

The corrosion resistance of various stainless steels 304 is a kind of universal stainless steel, which is widely used in the production of equipment and machine parts requiring good comprehensive performance (corrosion resistance and formability). 301 stainless steel shows obvious processing hardening phenomenon during deformation, which is used for equipment requiring higher strength

RELATED INFORMATIONS

1. The square root of 1.21 × 104
2. Solve the following binary linear equations 6x + 7Y = 20,7x + 6y = 19 and write the detailed points
3. Equation: 4x-10 = 7X-22
4. 6X + 8x = 14 to solve the equation
5. If 4,21,29,1 are subtracted from the four numbers in the equal ratio sequence, and the new four numbers are transformed into the equal difference sequence, the four numbers can be calculated
6. As shown in the figure, in △ ABC, the vertical bisector of BC intersects AC at point D and BC at point e respectively. If the perimeter of △ ABC is 20 cm and the perimeter of △ abd is 12 cm, then the length of be is______ ．
7. What welding rod is used between stainless steel 304 and stainless steel 316L What electrode is used for welding between stainless steel 304 and stainless steel 316L?
8. It is known that a is a positive number whose arithmetic square root is equal to itself, and B is the square root of 3. Find the root sign (a + b) ^ 2
9. 7x-12y=31 12x-7y=26 x+y=?x=? What can be solved x-y=? y=?
10. 7x + 4x = 121 equation
11. Given that the square matrix satisfies a ^ 2-2a + 2E = 0, it is proved that a and a-3e are invertible, and the inverse matrices of a and a-3e are obtained
12. In △ ABC, ab = AC, the perpendicular of AB intersects AC at F. if AB = 12cm and the perimeter of △ BCF is 20cm, then the perimeter of △ ABC is (process)
13. There are four numbers in an equal ratio sequence. Subtract 1,1,4,13 from the four numbers to form an equal difference sequence. Then the four numbers are ()
14. How to solve the equation 6x + 4 = 8x-4,
15. 4X (3.4x) = 18.8, acute
16. {7x of 5 + 7Y of 5 = 210 {7x of 5 × 0.8 + 7Y of 5 × 0.8}
17. If the square root of a + B + 1 and | A-B + 2 | are opposite to each other, find the cube of 22a-2b + 7 There should be a process
18. Difference of 201 202 304 stainless steel I want to know their uses, materials and prices,
19. Let a square matrix of order n satisfy the square of a - 5A + 7e = 0, prove that 3e-a is invertible, and find the inverse matrix of (3a-e)
20. In the isosceles triangle ABC, ab = AC = 12cm, De is the vertical bisector of the waist AB, de intersects AB to D, BC to e, and BC = 20cm