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Shanghai Vastar International Co., Ltd.

Machine Pipe, Structural Pipe, Carbon Steel Pipe manufacturer / supplier in China, offering JIS G3445 Carbon Steel Tube for Machine Structural Purpose, Threaded Flange, Instumentation Tube Fitting and so on.

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Supplier Homepage Product Mechanical Steel Tube JIS G3445 Carbon Steel Tube for Machine Structural Purpose

JIS G3445 Carbon Steel Tube for Machine Structural Purpose

FOB Price: Get Latest Price
Min. Order: 5 Tons
Port: Shanghai, China
Production Capacity: 50000 Tons / Year
Payment Terms: L/C, T/T

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Basic Info
  • Type: Seamless
  • Material: Carbon Steel
  • Usage: Hydraulic/Automobile Pipe, Machinery Industry
  • Transport Package: by Bundle
  • Technique: Cold Drawn
  • Surface Treatment: Black
  • Section Shape: Round
  • Origin: China
Product Description
JIS G3445 Carbon Steel Tube for Machine Structural Purpose
Standard: JIS G3445
Steel Grade: STKM11A, STKM12(A, B, C), STKM13(A,B,C), STKM14(A, B ,C) etc;
Application: used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.
Testing items: tension test, bending test, flattening test
 
Chemical Composition:  %
GradeSymbol of gradeCSiMnPSNb or V
11ASTKM11A0.12 max0.35 max0.60 max0.040 max0.040 max---
12ASTKM12A0.20 max0.35 max0.60 max0.040 max0.040 max---
BSTKM12B
CSTKM12C
13ASTKM13A0.25 max0.35 max0.30 to 0.900.040 max0.040 max---
BSTKM13B
CSTKM13C
14ASTKM14A0.30 max0.35 max0.30 to 1.000.040 max0.040 max---
BSTKM14B
CSTKM14C
15ASTKM15A0.25 to 0.350.35 max0.30 to 1.000.040 max0.040 max---
CSTKM15C
16ASTKM16A0.35 to 0.450.40 max0.40 to 1.000.040 max0.040 max---
CSTKM16C
17ASTKM17A0.45 to 0.550.40 max0.40 to 1.000.040 max0.040 max---
CSTKM17C
18ASTKM18A0.18 max0.55 max1.50 max0.040 max0.040 max---
BSTKM18B
CSTKM18C
19ASTKM19A0.25 max0.55 max1.50 max0.040 max0.040 max---
CSTKM19C
20ASTKM20A0.25 max0.55 max1.60 max0.040 max0.040 max0.15 max
 

Mechanical Property:
GradeSymbol of gradeTensile Strength N/mm2Yield StrengthElongation
N/mm2%
11ASTKM11A≥290-≥35
12ASTKM12A≥340≥175≥35
BSTKM12B≥390≥275≥25
CSTKM12C≥470≥355≥20
13ASTKM13A≥370≥215≥30
BSTKM13B≥440≥305≥20
CSTKM13C≥510≥380≥15
14ASTKM14A≥410≥245≥20
BSTKM14B≥500≥355≥10
CSTKM14C≥550≥410≥10
15ASTKM15A≥470≥275≥22
CSTKM15C≥580≥430≥12
16ASTKM16A≥510≥325≥20
CSTKM16C≥620≥460≥12
17ASTKM17A≥550≥345≥20
CSTKM17C≥650≥480≥10
18ASTKM18A≥440≥275≥20
BSTKM18B≥490≥315≥18
CSTKM18C≥510≥380≥10
19ASTKM19A≥490≥315≥28
CSTKM19C≥550≥410≥15
20ASTKM20A≥540≥390≥23


JIS G3445 Carbon Steel Tube for Machine Structural Purpose
 
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