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JIS G3445 Structural Steel Pipe , 50mm Wall Thickness Carbon Seamless Steel Pipe

Minimum Order Quantity : 5TONS Price : negotiation
Packaging Details : Packed in bundles or wooden box or upon request Delivery Time : 30-60days after received your payment
Place of Origin: China Brand Name: TORICH
Certification: ISO 9001 ISO14001 TS 16949 TUV DNV Model Number: JIS G 3445

Detail Information

Product Name: Carbon Steel Tubes For Machine Structural Purposes Material: Carbon Steel
Steel Grade: STKM 11A STKM 12 (ABC) STKM 13(ABC) STKM 14(ABC) STKM 15(AC) Etc Standard: JIS G3445
Shape: Round Application: For Machine Structural Purposes
Production Method: Seamless Heat Treatment: HR CW SR A N HF
Relevant Standard: KS D 3517 ASTM A 513 A519 A512 BS980
High Light:

structural steel tubing

,

cold formed steel tube

Product Description

JIS G 3445 STKM 11A  STKM 12 (ABC) STKM 13(ABC) STKM 14(ABC) STKM 15 Carbon Steel Tubes for machine structural purposes

 

 

JIS G 3445 Carbon steel tubes for machine structural purposes

Application:  for machine structural purposes

Size range:OD 5-420mm WT 0.5-50mm  Length        12m max

 

Grade:

  • STKM 11A
  • STKM 12 (ABC)
  • STKM 13(ABC)
  • STKM 14(ABC)
  • STKM 15(AC) etc 

Heat treatment(Please specify the delivery condition and heat treatment requirement when sending the enquiry.)

  1. HR hot rolled
  2. CW cold worked
  3. SR stress relieved
  4. A annealed
  5. N normalized
  6. HF hot formed

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

The tolerances on outside diameter and wall thickness for the tubes shall be as given in Table 4 and Table 5,respectively.

 

 

JIS G3445 Structural Steel Pipe , 50mm Wall Thickness Carbon Seamless Steel Pipe 0 JIS G3445 Structural Steel Pipe , 50mm Wall Thickness Carbon Seamless Steel Pipe 1

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