Send Message
Contact Us

Contact Person : Richard SHEN

Phone Number : +86-13736164628

WhatsApp : +8613736164628

Free call

JIS G3445 Automotive Steel Tubes ERW Welded Carbon Steel Tube For Auto Exhaust System

Minimum Order Quantity : 10 ton Packaging Details : In bundles with seaworthy packing
Delivery Time : 30-45 days Payment Terms : T/T, L/C, D/A, D/P, Western Union, MoneyGram
Supply Ability : 6000ton
Place of Origin: China Brand Name: TORICH
Certification: SO9001:2008 ,TS16949 Model Number: JIS G3445

Detail Information

Product Name: Auto Exhaust Welded Steel Tube Standard: JIS G3445
Material: STKM11A STKM13A Type: Welded
Terms Of Trade: FOB Or CIF Brand: TORICH
Transportation: Ocean, Air Certificate: ISO9001, TS16949
End Protector: Plain MTC: En10204.3.2B
High Light:

low carbon steel pipe

,

steel mechanical tubing

Product Description

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:
1. As for the tubes of outside diameter of 40mm or under, the elongation value in above table shall not be applied. However, the test result shall be recorder. Further, the elongation may be specified under the agreement between the purchaser and the manufacturer.

2. 1 N/mm2 = 1MPa

      

Auto Exhaust tube

 

JIS G3345 STKM11A STKM13A STKM13C tube

 

Packing: in bundles, in wooden boxes.

 

 

 

 

 

  

  

 

You Might Be Into These
Get in touch with us

Enter Your Message

sales@steel-tubes.com
+8613736164628
+8613736164628
torichinternational
+86-13736164628
torichinternational@yahoo.com
174524687
174524687
+86-13736164628