| 7306.50.50 | 10 | Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters, whether or not cold-drawn | kg |  |  |  | 
| 7307 |  | Tube or pipe fittings (for example, couplings, elbows, sleeves), of iron or steel: |  |  |  |  | 
| 7307.22 |  | Threaded elbows, bends and sleeves: |  |  |  |  | 
| 7307.92 |  | Threaded elbows, bends and sleeves: |  |  |  |  | 
| 7310 |  | Tanks, casks, drums, cans, boxes and similar containers, for any material (other than compressed or liquefied gas), of iron or steel, of a capacity not exceeding 300 liters, whether or not lined or heat insulated, but not fitted with mechanical or thermal equipment: |  |  |  |  | 
| 7318 |  | Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of iron or steel: |  |  |  |  | 
| 7318.15 |  | Other screws and bolts, whether or not with their nuts or washers: |  |  |  |  | 
| 7318.15.20 |  | Bolts and bolts and their nuts or washers entered or exported in the same shipment |  | Free |  | 3.5% | 
| 7318.15.20 | 20 | Track bolts | kg |  |  |  | 
| 7318.15.20 | 30 | Structural bolts | kg |  |  |  | 
| 7318.15.20 | 40 | Bent bolts | kg |  |  |  | 
| 7319 |  | Sewing needles, knitting needles, bodkins, crochet hooks, embroidery stilettos and similar articles for use in the hand, of iron or steel; safety pins and other pins of iron or steel, not elsewhere specified or included: |  |  |  |  | 
| 7321 |  | Stoves, ranges, grates, cookers (including those with subsidiary boilers for central heating), barbecues, braziers, gas rings, plate warmers and similar nonelectric domestic appliances, and parts thereof, of iron or steel: |  |  |  |  | 
| 7321.11 |  | For gas fuel or for both gas and other fuels: |  |  |  |  | 
| 7321.81 |  | For gas fuel or for both gas and other fuels: |  |  |  |  | 
| 7325.10.00 | 30 | Valve and service boxes | kg |  |  |  | 
| 7325.10.00 | 35 | Meter boxes | kg |  |  |  | 
| 7410 |  | Copper foil (whether or not printed or backed with paper, paperboard, plastics or similar backing materials) of a thickness (excluding any backing) not exceeding 0.15 mm: |  |  |  |  | 
| 7410.21.30 | 40 | Having copper on both sides | m2 kg |  |  |  | 
| 7412 |  | Copper tube or pipe fittings (for example couplings, elbows, sleeves): |  |  |  |  | 
| 7415 |  | Nails, tacks, drawing pins, staples (other than those of heading 8305) and similar articles, of copper or of iron or steel with heads of copper; screws, bolts, nuts, screw hooks, rivets, cotters, cotter pins, washers (including spring washers) and similar articles, of copper: |  |  |  |  | 
| 7415.33 |  | Screws, bolts and nuts: |  |  |  |  | 
| 7415.33.10 | 00 | Muntz or yellow metal bolts | kg | 1.4% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 7% | 
| 7415.33.80 |  | Other screws and bolts; nuts |  | 3% | Free (A,AU,B,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 45% | 
| 7507 |  | Nickel tubes, pipes and tube or pipe fittings (for example, couplings, elbows, sleeves): |  |  |  |  |