Standard
Designation 钢号 |
Density
密度 (kg/mm·m2) |
JIS G4304 /
4305 |
304 / 304L / 304N1 / 304N2 /
304LN / 304J1 / 304J2 |
7.93 |
| 316 / 316L / 316N / 316LN /
316J1 / 316J1L / 316Ti |
7.98 |
ASTM / ASME /
DIN All Grades |
8.07 |
Surface Finish to JIS G4305 1991 Cold-rolled plates, Sheets & Strips
日本标准
Symbol of Finish
表面处理钢号 |
Finishing Method
表面处理方法 |
| No. 1 |
Hot
Rolled, annealed, descaled |
| No. 2D |
Cold
Rolled, annealed, descaled, pickling, or finally dull rolled |
| No. 2B |
Cold
Rolled, annealed, descaled, pickling, lastly slightly brightened by
cold rolling |
| BA |
Highly
reflective finish produced by bright heat treatment after cold
rolling |
| No. 3 |
Immediate polished finish with No. 100 to No. 120 coarse abrasives
specified in JIS R6001 |
| No. 4 |
Standard polished finish with No. 150 to No. 180 finer abrasives
specified in JIS R6001 |
| No.
240 |
Polished finish with No. 240 abrasives specified in JIS R6001 |
| No.
320 |
Polished finish with No. 320 abrasives specified in JIS R6001 |
| No.
400 |
High
lust polished finish with No. 400 buffing sisal cloth specified in
JIS 6001 |
| HL |
Polished to give continuous polishing streaks by using abrasive of
suitable grain size |
| Silver
Soft |
Surface roughness increased by rolling. Rougher than No. 2D to
minimize gloss |
| No. 7 |
Semi-mirror polished |
| No. 8 |
Mirror
polished |
| Embossing |
Embossed with roll |
| Etching |
Patterned by chemical treatment |
| Hard |
Adequately strengthened by cold rolling |
| Color |
Colored by chemical treatment / coated with acrylic resin or fluoro
resin |
CORROSION RESISTANCE DATA - stainless Steel
Solution |
Concentration |
Temperature |
Type of
Stainless Steel |
410 |
430 |
304 |
316 |
Acetic Acid CH3COOH |
0 ~ 100% |
20°C |
|
|
U.A. |
U.A. |
Acetone (CH3)2CO |
|
20°C |
|
S.A. |
U.A. |
U.A. |
Ammonium Sulfate (NH4)2SO4 |
5% |
20°C |
|
U.A. |
U.A. |
U.A. |
Benzol C6H6 |
|
20°C |
|
S.A. |
U.A. |
S.A. |
Boric Acid B(OH)3 |
SATURATED |
Boiling Point |
|
U.A.1) |
U.A.1) |
U.A.1) |
Butter & Milk |
|
HOT |
|
|
U.A. |
U.A. |
Butyric Acid MeCH2.CH2.COOH |
5% |
20°C |
U.A. |
U.A. |
U.A. |
U.A. |
Carbon Tetrachloride CCI4 |
PURE |
|
|
U.A. |
U.A. |
U.A. |
Carbonic Acid Gas CO2 |
|
20°C |
U.A. |
U.A. |
U.A. |
U.A. |
Chlorine CI2 |
|
20°C |
|
S.A. |
S.A. |
U.A. |
| 100°C |
|
A |
A |
A |
Chromic Acid H2CrO4 |
10% |
20°C |
|
|
S.A. |
S.A. |
| Boiling Point |
|
A |
S.A. |
S.A. |
Citric Acid HO.C(COOH)(CH2COOH) |
15% |
Boiling Point |
|
S.A. |
U.A. |
U.A. |
Crude Oil (Petroleum) |
|
20°C |
U.A.6) |
U.A.6) |
U.A.6) |
U.A.6) |
Ether (C2H5)2O |
|
20°C |
|
U.A. |
U.A. |
U.A. |
Ethyl Alcohol C2H5OH |
|
20°C |
|
U.A. |
U.A. |
U.A. |
| Ferric
Chloride FeCI3 |
1% |
20°C |
|
U.A.1) |
U.A.1) |
U.A.1) |
| Fluoric
Acid HF |
|
20°C |
A |
A |
A |
A |
| Fruit &
Vegetable juice |
|
HOT |
|
|
U.A. |
U.A. |
| Gasoline
(Petrol) |
|
20°C |
U.A. |
U.A. |
U.A. |
U.A. |
|
Hydrochloric Acid HCI |
£ 0.2% |
|
|
|
S.A.1) |
S.A.1) |
| > 0.2% |
20°C |
|
|
A1) |
A1) |
| Hydrogen
Peroxide H2O2 |
30% |
20°C |
U.A.~S.A.4) |
U.A.~S.A.4) |
U.A.4) |
U.A. |
| Lactic Acid
C3H6O3 |
5% |
20°C |
S.A. |
S.A. |
U.A. |
U.A. |
| Methyl
Alcohol CH3OH |
|
20°C |
|
U.A.5) |
U.A.5) |
U.A.5) |
| Milk |
|
60°C |
|
|
U.A. |
U.A. |
| Mineral Oil |
|
20°C |
|
U.A. |
U.A. |
U.A. |
|
Nitric Acid HNO3 |
1 ~ 20% |
20°C |
U.A. |
U.A. |
U.A. |
U.A. |
| Boiling Point |
S.A. |
U.A. |
U.A. |
U.A. |
| 40 ~ 60% |
20°C |
S.A. |
S.A. |
U.A. |
U.A. |
| Boiling Point |
A |
S.A. |
U.A.2) |
U.A.2) |
| Oxalic Acid
HOOC-COOH |
10% |
20°C |
|
|
U.A. |
U.A. |
|
Phosphoric Acid H3PO4 |
80% |
20°C |
|
|
S.A. |
U.A. |
| Boiling Point |
|
|
A |
S.A. |
| Potassium
Bichromate K2Cr2O7 |
25% |
Boiling Point |
|
|
U.A. |
U.A. |
| Potassium
Permanganate KMnO4 |
10% |
Boiling Point |
|
|
U.A. |
U.A. |
| Sliver
Nitrate AgNo3 |
5% |
20°C |
|
U.A. |
U.A. |
U.A. |
| Sodium
Carbonate Na2CO3 |
50% |
Boiling Point |
|
|
U.A. |
U.A. |
| Sodium
Chloride NaCI |
10% |
Boiling Point |
|
U.A.1) |
U.A.1) |
U.A.1) |
| Sodium
Sulfate Na2SO4 |
5% |
20°C |
|
U.A. |
U.A. |
U.A. |
| Stearic
Acid CH3(CH2)16COOH |
SATURATED |
100°C |
|
S.A. |
U.A. |
U.A. |
| Sugar Syrup |
CONCENTRATED |
100°C |
|
U.A. |
U.A. |
U.A. |
| Sulphuric Acid H2SO4 |
£ 0.25% |
20°C |
|
|
U.A. |
U.A. |
| Boiling Point |
|
|
A |
S.A. |
| 30 ~ 60% |
20°C |
|
|
S.A. |
S.A. |
| Boiling Point |
|
|
A |
A |
| 95 ~ 100% |
20°C |
|
|
U.A. |
U.A. |
| 100°C |
|
|
A |
A |
|
Sulfurous Acid SO(OH)2 |
10% |
20°C |
A |
A |
S.A. |
U.A. |
| Boiling Point |
|
|
S.A. |
S.A. |
| Sulfurous
Acid Gas SO(OH)2 |
WET |
20°C |
A |
A |
U.A.~S.A.4) |
U.A.3) |
| Tartaric
Acid C4H6O6 |
50% |
20°C |
S.A. |
S.A. |
U.A. |
U.A. |
Vegetable Oil |
|
20°C |
|
S.A. |
S.A. |
S.A. |
U.A. = 0.1mm/year, unaffected ; S.A. = 0.1 to 1mm/year, slightly affected ; A =
1mm/year, affected
Notes :
| 1) |
Susceptible to pitting
corrosion. |
| 2) |
Affected under high
pressure. |
| 3) |
Take care when H2SO4 coexists. |
| 4) |
Affected when involving H2SO4. |
| 5) |
Pitting at high temperature. |
| 6) |
Affected by impurities
during refining. |
|
