Specifications
Brand Name :
Joyruns
Model Number :
STKM 11, 11A
Certification :
ISO9001
Place of Origin :
Changzhou
MOQ :
2Tons
Payment Terms :
L/C, T/T
Supply Ability :
2000Tons/Month
Delivery Time :
20days
Packaging Details :
plastic packing, end caps, wooden box packing
OD size :
6mm to 114.3mm
WT :
0.8mm to 30mm
Type :
Seamless cold drawning precision tube
Grade :
STKM 11, STKM 11A, STKM 12, STKM 13, STKM 13A
Standard :
JIS G3445,
Delivery Condition :
+N, +NBK,+C,+LC,+BK,+A
Description

JIS3445 STKM11A precision cold drawing seamless steel tube

Precision tubes for hydraulic systems, automobiles, machinery, and other precision steel pipe, finish, cleanliness, there are areas of high mechanical performance requirements.

Chemical Composition(%) & Mechanical Properties:

Chemical Composition(%):

Standard

Steel Grade

C

Si

Mn

P

S

JIS G3445

STKM11A

≤0.12

≤0.35

≤0.60

≤0.040

≤0.040

Mechanical Properties:

Standard

Steel Grade

Yield Strength min.(Mpa)

Tensile Strength min.(Mpa)

Elongation A min.(%)

JIS G3445

STKM11A

/

290

35

Pipe Tolerance Table

Name

Rang(mm)

German Standard(mm)

Corporate Internal Control Standards(mm)

Special High-Precision(mm)

Outer Diameter

4-30

±0.08

±0.05

±0.03

31-40

±0.15

±0.05

±0.03

41-50

±0.20

±0.08

±0.03

51-60

±0.25

±0.08

±0.03

Wall thickness

0.5-7

±10%

±10%,Min±0.05

±10%,Min±0.03

Length

+/-10mm

Automotive industry pipe length can be cut according to customer requirements.

Heat treatment process delivery conditions:

Delivery Condition

Heat Treatment Process

+C

Cold drawn / hard. After the final cold forming no heat treatment.

+LC

Cold drawn/soft. After the final heat treatment-limiting deformation, cold drawn, allowing a degree of cold deformation

+SR

Steel heat treatment is applied after the last cold deformation process, the result of state steel after due process, the residual stress deformation and machining makes a certain degree of difficulty increases.

+A

In the final step of the steel pipe after cold deformation, placed in a controlled atmosphere furnace for annealing.

+N

In the final step of the steel pipe after cold deformation, placed in a controlled atmosphere furnace at a temperature above the phase transition point to continue annealing.

JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM

JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM

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JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM

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Brand Name :
Joyruns
Model Number :
STKM 11, 11A
Certification :
ISO9001
Place of Origin :
Changzhou
MOQ :
2Tons
Payment Terms :
L/C, T/T
Contact Supplier
video
JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM
JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM
JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM
JIS3445 STKM11A Seamless Precision Steel Tube Cold Drawn Alloy Steel Seamless Tube 37.6*1.6MM

Changzhou Joyruns Steel Tube CO.,LTD

Verified Supplier
5 Years
changzhou
Since 2000
Business Type :
Manufacturer, Agent, Exporter, Seller
Total Annual :
10000000-20000000
Employee Number :
150~300
Certification Level :
Verified Supplier
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