- Trademark：Kingmetal
- Specification：1,8" - 24"
- Transport Package：in Bundles or Wooden Case
- Production Way：Cold Drawn, Hot Rolled, Cold Rolled
- Od：1,8" - 24"
- Thickness：5s-Xxs
- Surface Treatment：Pickling
- Model NO.：EM-304L
- Origin：China
- HS Code：73044190
- Production Capacity：20000 Ton,Year
| Standards | ASTM 249/ 269 DIN17457 EN10216 |
| Specification | OD:6mm-1219mm,WT:0.5-30mm, Length: Max. 20meters |
| Material | TP304, TP304H, TP304LN, TP304L,TP310/S, TP316L, TP316H,TP316/316L,TP317L,TP321/321H,TP347,S31803,2205,2507,ect |
| Process method | ERW,TIG |
| Surface finish | Annealed & Pickled /Bright Annealed,Polished |
| Applications | For fluid and gas transport, structure and Machining, heat exchanger, boiler |
| Packing | Seaworthy Wooden Cases / Steel Framed Cases / Bundle |
| Marking | All tubes are marked as follows: SPEZILLA. Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request. ) |
| Material | ASTM A249 Chemical Composition % Max |
| C | Mn | P | S | Si | Cr | Ni | Mo | N B | Nb | Ti |
| TP304 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | ^ | ^ | ^ . | ^ |
| TP304L | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-12.0 | ^ | ^ | ^ | ^ |
| TP316 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP316L | 0.035 D | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-15.0 | 2.00-3.00 | ^ | ^ | ^ |
| TP321 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | ^ | ^ | ^ | 5C -0.70 |
| TP347 | 0.08 | 2 | 0.045 | 0.03 | 1 | 17.0-19.0 | 9.0-12.0 | | | 10C -1.10 | ^ |
| Material | Heat treatment | Temperure F (C) Min. | Hardness |
| Brinell | Rockwell |
| TP304 | Solution | 1900 (1040) | 192HBW/200HV | 90HRB |
| TP304L | Solution | 1900 (1040) | 192HBW/200HV | 90HRB |
| TP316 | Solution | 1900(1040) | 192HBW/200HV | 90HRB |
| TP316L | Solution | 1900(1040) | 192HBW/200HV | 90HRB |
| TP321 | Solution | 1900(1040) F | 192HBW/200HV | 90HRB |
| TP347 | Solution | 1900(1040) | 192HBW/200HV | 90HRB |
| OD, inch | OD Tolerance inch(mm) | WT Tolerance % | Length Tolernace inch(mm) | |
| + | - | |
| ≤ 1 / 2 | ± 0.005 ( 0.13 ) | ± 15 | 1 / 8 ( 3.2 ) | 0 | |
| > 1 / 2 ~1 1 / 2 | ± 0.005(0.13) | ± 10 | 1 / 8 (3.2) | 0 | |
| > 1 1 / 2 ~< 3 1 / 2 | ± 0.010(0.25) | ± 10 | 3 / 16 (4.8) | 0 | |
| > 3 1 / 2 ~< 5 1 / 2 | ± 0.015(0.38) | ± 10 | 3 / 16 (4.8) | 0 | |
| > 5 1 / 2 ~< 8 | ± 0.030(0.76) | ± 10 | 3 / 16 (4.8) | 0 | |
| 8~< 12 | ± 0.040(1.01) | ± 10 | 3 / 16 (4.8) | 0 | |
| 12~< 14 | ± 0.050(1.26) | ± 10 | 3 / 16 (4.8) | 0 | |
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