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Table surface finish roughness
Surface conditions The reference length Explain Surface roughness
Ra Rmax Rz #Number
    Ultra-smooth system of processing methods, processing 0.01a 0.04s 0.04z  
    From the surface, the machined surface is smooth 0.012a 0.05s 0.05z  
    As a mirror. 0.016a 0.063s 0.063z  
      0.02a 0.08s 0.08z  
Ultra-smooth 0.08mm   0.025a 0.1s 0.1z  
        0.032a 0.125s 0.125z  
      0.05a 0.2s 0.2z  
      0.063a 0.25s 0.25z  
      0.08a 0.32s 0.32z  
      0.1a 0.4s 0.4z #600
      0.125a 0.5s 0.5z  
      0.16a 0.63s 0.63z  
  0.25mm   0.2a 0.8s 0.8z #400
    By one or more precision milling, boring light 0.25a 1.0s 1.0z  
    Kenko, wipe light, photo light or scraping hinges, boring 0.32a 1.25s 1.25z  
Fine section 0.8mm And other multi-surface derived by cutting 0.4a 1.6s 1.6z #300
     Almost impossible to distinguish tactile or visual 0.5a 2.0s 2.0z  
    Smooth processing of marks smaller section. 0.63a 2.5s 2.5z  
      0.8a 3.2s 3.2z #250
      1.0a 4.0s 4.0z  
      1.25a 5.0s 5.0z  
      1.6a 6.3s 6.3z #180
    By one or more than fine milling, planing 2.0a 8.0s 8.0z  
    Drilling, boring, reaming or filing such a layer increases cutting 2.5a 10.0s 10.0z  
Thin section 2.5mm Workers from the test surface to touch the very similar 3.2a 12.5s 12.5z #80
    Smooth, but can tell by the vision has 4.0a 16.0s 16.0z  
    Fuzzy marks, so thick smooth section. 5.0a 20.0s 20.0z  
      6.3a 25.0s 25.0z  

Note:

(1) Ra:Centerline average roughness (2) Rmax:Maximum roughness (3) RZ:+ Point average roughness (4) #No.: sundial

Polished stainless steel plate price list #250Unit:$NT
Thickness m/m 3.0-5.9 6.0-7.9 8.0-11.9 12-15.9 16-19.7 20-23.9 24-27.9 28-30
Polishing units 1M2 1M2 1M2 1M2 1M2 1M2 1M2 1M2
Unit price 525 575 635 705 780 865 925 1050
Unit price 700 770 850 940 1040 1150 1270 1400

Note:

1. According to the actual plate scratches on the surface, price will be charged accordingly.

2. Polished level is based on computer, for each additional 50 #, expenses increased

    by 10%.

3. Flat board does not reach 1m2, higher price will be applied.

Seamed polished stainless steel inside and outside the price list #250
Call path

Tube polishing

6Mx1PC

Bead pull-ray

6Mx1PC

Tube polishing 6Mx1PC
Piping 2.8 The following Piping 3.0 Above Wool yarn surface
1" 930   225 285 342
1 1/4" 930   282 353 423
1 1/2" 930   338 420 504
2" 1260   450 563 675
2 1/2" 1575   563 705 846
3" 1890   675 840 1008
3 1/2" 2205   787 982 1179
4" 2520 4950 900 1125 1350
5" 3150 4950 1688 2025 2438
6" 3780 5580 2025 2250 2700
8" 5040 6480   2625 3150
10" 6300 8100   3282 3939
12" 7500 9300   3938 4725
14" 8820 10620   6563 7875
16" 10080 11880   7875 9450
Seamless stainless steel tube polished inside and outside the price list #250
Call path Tube polishing 1M Price Tube polishing 6Mx1PC Price
10S~20S 40S~80S 160S 10S~20S 40S~80S 160S
1" 282 395 540 282 342 563
1 1/4" 417 593 810 357 429 710
1 1/2" 472 683 945 423 518 845
2" 585 825 1140 563 682 1125
2 1/2" 732 1028 1425 704 858 1407
3" 845 1185 1620 845 1025 1688
3 1/2" 1012 1447 1980 986 1200 1970
4" 1070 1575 2220 1125 1365 2250
5" 1350 1905 2625 2250 2827 3938
6" 1575 2235 3075 2813 3315 5063
8" 2048 2888 3975 3750 4388 6470
10" 2558 3608 4950 4687 5607 7763
12" 3070 4508 5940 5625 6728 9057
14" 3580 5505 6930 6562 7850 10350
16" 4095 5775 7920 7500 8970 12420

Note:

1. Where more than 3mm diameter, length, 12M Jieke processing

2. The level of computer table polish inside and outside the test as a benchmark, the cost

 for each additional 10% increase in # 50

3. The company's stable processing quality, fast delivery

4. Polishing is charged based with 6M; in case of a short tube or long tube (exceed 6M),

    please inquire separately. Higher price will be applied.

5. The price excluding tax, excluding shipping

Seamed elbow, head size, (three x1 1/3) internal and

external polishing Price List #250

Call path 10S~20S 1PC 40S~80S 1PC 160S 1PC
In throwing Cast outside In throwing Cast outside In throwing Cast outside
1" 158 68 210 90 263 113
1 1/4" 198 84 263 113 329 141
1 1/2" 237 102 315 135 393 170
2" 315 135 420 180 525 225
2 1/2" 395 170 525 225 657 282
3" 473 203 630 270 788 338
3 1/2" 552 237 735 315 920 395
4" 1020 450 1122 495 1235 545
5" 1275 563 1403 620 1544 681
6" 1530 675 1683 743 1851 818
8" 2040 900 2244 990 2469 1089
10" 2550 1125 2805 1238 3086 1358
12" 3060 1350 3366 1485 3702 1634
14" 3570 1575 3927 1733 4320 1907
16" 4080 1800 4488 1980 4937 2178
TOP

DONG CHIN Co., LTD.

No.36, Xinghe Rd., Dadu Dist., Taichung City 432, Taiwan (R.O.C.)

TEL:886-4-26931311

FAX:886-4-26931266

http://www.dongchin.com.tw

E-mail:L22297343@yahoo.com