TORICH INTERNATIONAL LIMITED
TORICH INTERNATIONAL LIMITED The Steel Tube Maker
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Motorbike Furniture Mechanical Industry JIS G3445 Seamless Carbon Steel Pipe
| Name | JIS G3445 STKM11A Seamless Welded Steel Tubes |
| Standard | JIS G3445 |
| Application | Carbon steel pipes for machinery,bicycles,automotive,furniture |
| Size | OD:4-75mm |
| WT:0.4-8mm | |
| Delivery date | About 25-55 days |
| Payment | L/C,T/T,Money Gram,Western Union,etc |
| Delivery | FOB,CIF,CFR,CPT,etc |
Grade:
Heat treatment (Please specify the delivery condition and heat treatment requirement when sending the enquiry.)
| CHEMICAL COMPOSITION unit:% max | |||||
| Steel Grade | C | S | Mn | P | S |
| STKM 11A | 0.12 | 0.35 | 0.60 | 0.040 | 0.040 |
| STKM 12A | 0.20 | 0.35 | 0.60 | 0.040 | 0.040 |
| STKM 12B | |||||
| STKM 12C | |||||
| STKM 13A | 0.25 | 0.35 | 0.30-0.90 | 0.040 | 0.040 |
| STKM 13B | |||||
| STKM 13C | |||||
| STKM 14A | 0.30 | 0.35 | 0.30-1.00 | 0.040 | 0.040 |
| STKM 14B | |||||
| STKM 14C | |||||
| STKM 15A | 0.25-0.35 | 0.35 | 0.30-1.00 | 0.040 | 0.040 |
| STKM 15C | |||||
| STKM 16A | 0.35-0.45 | 0.40 | 0.40-1.00 | 0.040 | 0.040 |
| STKM 16C | |||||
| STKM 17A | 0.45-0.55 | 0.40 | 0.40-1.00 | 0.400 | 0.040 |
| STKM 17C | |||||
| STKM 18A | 0.18 | 0.55 | 1.50 | 0.040 | 0.040 |
| STKM 18B | |||||
| STKM 18C | |||||
| STKM 19A | 0.25 | 0.55 | 1.50 | 0.040 | 0.040 |
| STKM 19C | |||||
| STKM 20A | 0.25 | 0.55 | 1.60 | 0.040 | 0.040 |
| Note:1.When the purchaser require product analysis for the tubes made of killed steel, the tolerances for the values given above shall be as specified in the Table 2 in JIS G 0321 for seamless steel tubes and in Table 1 for electric resistance welded or butt welded steel tubes 2.For the tubes of STKM 15 made by electric resistance welding process, the lower limit of carbon content may be Altered by agreement between the parties concerned. 3.For the tubes of STKM 20,Nb in combination with V may be added, in the case, the maximum content of Nb+V shall be 0.15% | |||||
| MECHANICAL PROPERTIES | |||
| Steel Grade | Tensile strength Mpa min | Yield strength Mpa min | Elogation% min |
| STKM 11A | 290 | - | 35 |
| STKM 12A | 340 | 175 | 35 |
| STKM 12B | 390 | 275 | 25 |
| STKM 12C | 470 | 355 | 20 |
| STKM 13A | 370 | 215 | 30 |
| STKM 13B | 440 | 305 | 20 |
| STKM 13C | 510 | 380 | 15 |
| STKM 14A | 410 | 245 | 25 |
| STKM 14B | 500 | 355 | 15 |
| STKM 14C | 550 | 410 | 15 |
| STKM 15A | 470 | 275 | 22 |
| STKM 15C | 580 | 430 | 12 |
| STKM 16A | 510 | 325 | 20 |
| STKM 16C | 620 | 460 | 12 |
| STKM 17A | 550 | 345 | 20 |
| STKM 17C | 650 | 480 | 10 |
| STKM 18A | 440 | 275 | 25 |
| STKM 18B | 490 | 315 | 23 |
| STKM 18C | 510 | 380 | 15 |
| STKM 19A | 490 | 315 | 23 |
| STKM 19C | 550 | 410 | 15 |
| STKM 20A | 540 | 390 | 23 |
