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STKM 11A Carbon Steel Tubes Inspection

 – samples of STKM 11A carbon steel tubes available now

JIS G3445 STKM11A, STKM 12A, STKM 13A, STKM15A is the standard applicable to carbon steel tubes for machine structural purposes

STKM 11A Carbon Steel Tube Shipping details:

Description: Seamless Cold Drawn Steel tubes

Standard: JIS G3445

Grade: STKM 11A

Delivery Condition: Bright Annealing

Size: OD.4mm; ID. 1.5mm; Length 4000mm

Quantity:  60000pcs (22500kgs)

Importer Country: Singapore

Production time: 2020-04-10

Supplier: CTS TUBES (email: cts@ctstubes.com)

STKM 11A Size Inspection report:

OD.

(mm)

Tolerance

(mm)

ID.

(mm)

Tolerance

(mm)

Length

(mm)

Tolerance

(mm)

Straightness

(mm)

4±0.051.5±0.053000-0/+201:1000

Click to download the details of STKM 11A Carbon Steel Tubes Inspection.

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STKM 11A Carbon Steel Tube Chemical components and Mechanical properties inspection

StandardGradeChemical Components

(%)

Mechanical properties

(Bright Annealing)

CSiMnPSTensile

Strength

(Mpa)

Yield

Strength

(Mpa)

Elongation

(%)

JIS G3445STKM 11A0.080.250.450.0120.00648733242

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STKM 11A Carbon Steel Tube Inspection Photos:

STKM 11A Carbon Steel Tubes O.D. Inspection

STKM 11A Carbon Steel Tubes O.D. Inspection

STKM 11A Carbon Steel Tubes I.D. Inspection

STKM 11A Carbon Steel Tubes I.D. Inspection

STKM 11A Carbon Steel Tubes Package

STKM 11A Carbon Steel Tubes Package

STKM 11A Carbon Steel Tubes Wooden Box Package

STKM 11A Carbon Steel Tubes Wooden Box Package

Application

JIS G3445 STKM 11A carbon steel tubes used for fuel injection tubes, machinery, automobiles, bicycles, furniture, appliances and other machine parts.

Grade and Designation

The grade and designation of the tube shall be as given as follows table.

The sub classification letter symbols A, B and C are used to indicate distinction of method of manufacturing the tube, cold working process, heat treatment, etc.

GradeDesignation
Grade 11ASTKM 11A

World standard Comparative with JIS G3445

NUMBERGRADENUMBERGRADENUMBERGRADENUMBERGRADE
D 3517Grade 11 ASTKM 11 AA513MT1010G-3445STKM11A
A519MT1010

Mechanical Properties

Appearance

  • The tubes shall be practically straight. and the two ends shall be at right angles to the axis of the tube
  • The tubes shall be free from defects detrimental to practical use.
  • The surface finish of the tubes, when especially specified shall be agreed upon by the purchaser and the manufacturer.

Tolerance on Outside Diameter

DivisionTolerances on outside diameter
No. 1  Under 50mm                      ±0.5mm
  50mm or over                     ±1%
No. 2  Under 50mm                      ±0.25mm
  50mm or over                     ±0.5%
No. 3  Under 25mm                      ±0.12mm
  25mm or over to and excl. 40mm   ±0.15mm
  40mm or over to and excl. 50mm   ±0.18mm
  50mm or over to and excl. 60mm   ±0.20mm
  60mm or over to and excl. 70mm   ±0.23mm
  70mm or over to and excl. 80mm   ±0.25mm
  80mm or over to and excl. 90mm   ±0.30mm
  90mm or over to and excl.100mm   ±0.40mm
  100mm or over                    ±0.50%

Tolerance on Thickness

DivisionWall ThicknessTolerances on Wall Thickness
No. 1Under 4mm+0.6 -0.5
4mm or over+15% -12.5%
No. 2Under 3mm±0.3
3mm or over±10%
No. 3Under 2mm±0.15
2mm or over±8%

 

Note:

  • Mill test certificates will be issued according to EN10204.3.1
  • The tubes can supply Seamless and Welded both. Customer can confirm on contract.

Photos

STKM 11A Carbon Steel Tubes Bright Anneal Surface

STKM 11A Carbon Steel Tubes Bright Anneal Surface

For more information of STKM 11A Seamless tubes, please feel free to contact us by email.

STKM 11A Seamless Steel tube .pdf Download

Know more: What is a STKM 11A / STKM 12A Steel Tube

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Tel.: +86 185 5109 0083 | E-mail: cts@ctstubes.com

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