JIS G3445 Automotive Steel Tubes ERW Welded Carbon Steel Tube For Auto Exhaust System
Brand Name:TORICH
Certification:SO9001:2008 ，TS16949
Model Number:JIS G3445
Minimum Order Quantity:10 ton
Delivery Time:30-45 days
Payment Terms:T/T, L/C, D/A, D/P, Western Union, MoneyGram
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Location:
Ningbo Zhejiang China
Address:
Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
Supplier`s last login times:
within 42 hours
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Product Details
JIS G3445 STKM11A STKM13A ERW Welded Carbon Steel Tube For Auto Exhaust System
Size Range:
OD: 5.0-200mm
WT:0.5-20mm
Length: max 7000mm
Manufacture:
Tubes are made by welded process.
Welded tubing shall be made from flat-rolled steel by the electric-resistance welding or electric-fusion welding process.
Delivery Condition:
HR: hot rolled
CW: cold rolled
SR: stress relieved
A: annealed
N: normalized
Steel Grade/Steel Material:
| Chemical Composition unit:% max | ||||||||
| Grade | Symbol of grade | C | Si | Mn | P | S | Nb or V | |
| 11 | A | STKM11A | 0.12 | 0.35 | 0.60 | 0.040 | 0.040 | - |
| 12 | A | STKM12A | 0.20 | 0.35 | 0.60 | 0.040 | 0.040 | - |
| B | STKM12B | |||||||
| C | STKM12C | |||||||
| 13 | A | STKM13A | 0.25 | 0.35 | 0.30-0.90 | 0.040 | 0.040 | - |
| B | STKM13B | |||||||
| C | STKM13C | |||||||
| 14 | A | STKM14A | 0.30 | 0.35 | 0.30-1.00 | 0.040 | 0.040 | - |
| B | STKM14B | |||||||
| C | STKM14C | |||||||
| 15 | A | STKM15A | 0.25-0.35 | 0.35 | 0.30-1.00 | 0.040 | 0.040 | - |
| C | STKM15C | |||||||
| 16 | A | STKM16A | 0.35-0.45 | 0.40 | 0.40-1.00 | 0.040 | 0.040 | - |
| C | STKM16C | |||||||
| 17 | A | STKM17A | 0.45-0.55 | 0.40 | 0.40-1.00 | 0.040 | 0.040 | - |
| C | STKM17C | |||||||
| 18 | A | STKM18A | 0.18 | 0.55 | 1.50 | 0.040 | 0.040 | - |
| B | STKM18B | |||||||
| C | STKM18C | |||||||
| 19 | A | STKM19A | 0.25 | 0.55 | 1.50 | 0.040 | 0.040 | - |
| C | STKM19C | |||||||
| 20 | A | STKM20A | 0.25 | 0.55 | 1.60 | 0.040 | 0.040 | 0.15 |
| Remarks: 1. For the tubes of Grade 15 made by electric resistance welded, the lower limit of C may be altered by agreement between the purchaser and the manufacturer. 2. For the tubes of Grade 20, Nb in combination with V may be added. In the case, the maximum content of Nb + V shall be 0.15%. 3. If necessary, alloying elements other than those in the above table may be added. | ||||||||
Mechanical Properties
| Mechanical Properties min | |||||
| Grade | Symbol of grade | Tensile strength N/mm2 | Yield point or proof strength N/mm2 | Elongation % | |
| 11 | A | STKM11A | 290 | - | 35 |
| 12 | A | STKM12A | 340 | 175 | 35 |
| B | STKM12B | 390 | 275 | 25 | |
| C | STKM12C | 470 | 355 | 20 | |
| 13 | A | STKM13A | 370 | 215 | 30 |
| B | STKM13B | 440 | 305 | 20 | |
| C | STKM13C | 510 | 380 | 15 | |
| 14 | A | STKM14A | 410 | 245 | 25 |
| B | STKM14B | 500 | 355 | 15 | |
| C | STKM14C | 550 | 410 | 15 | |
| 15 | A | STKM15A | 470 | 275 | 22 |
| C | STKM15C | 580 | 430 | 12 | |
| 16 | A | STKM16A | 510 | 325 | 20 |
| C | STKM16C | 620 | 460 | 12 | |
| 17 | A | STKM17A | 550 | 345 | 20 |
| C | STKM17C | 650 | 480 | 10 | |
| 18 | A | STKM18A | 440 | 275 | 25 |
| B | STKM18B | 490 | 315 | 23 | |
| C | STKM18C | 510 | 380 | 15 | |
| 19 | A | STKM19A | 490 | 315 | 23 |
| C | STKM19C | 550 | 410 | 15 | |
| 20 | A | STKM20A | 540 | 390 | 23 |
Remarks: 2. 1 N/mm2 = 1MPa | |||||
Packing: in bundles, in wooden boxes.
JIS G3445 Automotive Steel Tubes ERW Welded Carbon Steel Tube For Auto Exhaust System
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