JIS G3445 Oil-dip Mild Steel Tubing for Machine Structural
- Min. Order:
- 1
- Min. Order:
- 1
- Delivery Time:
- 30 Days
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Contact Now| Place of Origin: | Jiangsu China (Mainland) |
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JIS G3445 Oil-dip Mild Steel Tubing for Machine Structural , STKM11A STKM12A Carbon Steel Pipe
Quick Detail:
Products: JIS G3445
Carbon steel tubes for machine structural purposes .
Grade: STKM11A / STKM12A / STKM12B / STKM12C / STKM13A etc
Size:(mm)
Out Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Description:
Standards: JIS G3445
Carbon steel tubes for machine structural purposes .
Size (mm):
Outer Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35 mm
Length: max 24000mm
Application: Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.
The main products of steel / steel grade: STKM11A, STKM12(A,B,C), STKM13(A,B,C), STKM14(A,B,C).
Packing: Beveled/black painting/ plastic caps/ in bundles/ steel strips/ wooden protection
Inspection and Test: Chemical Composition Inspection, Mechanical Properties Test(Tensile Strength, Yield Strength,Elongation, Flaring, Flattening, Bending, Hardness, Impact Test),Surface and Dimension Test,Nodestructive Test, Hydrostatic Test.
Surface treatment:Oil-dip, Varnish, Passivation, Phosphating, Shot Blasting
Mark: As requested.
Delivery Condition:Annealed, Normalized, Normalized and Tempered
Chemical Composition (%):
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|
|
Chemical Composition (%) |
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Standard |
Steel Grade |
C |
Si |
Mn |
P |
S |
|
JIS G3445 |
STKM11A |
≤0.12 |
≤0.35 |
≤0.60 |
≤0.040 |
≤0.040 |
|
STKM12A |
≤0.20 |
≤0.35 |
≤0.60 |
≤0.040 |
≤0.040 |
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|
STKM12B |
||||||
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STKM12C |
||||||
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STKM13A |
≤0.25 |
≤0.35 |
0.30-0.90 |
≤0.040 |
≤0.040 |
|
|
STKM13B |
||||||
|
STKM13C |
||||||
|
STKM14A |
≤0.30 |
≤0.35 |
0.30-1.00 |
≤0.040 |
≤0.040 |
|
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STKM14B |
||||||
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STKM14C |
||||||
Mechanical Properties:
|
Grade |
Yield Strength (Mpa) |
Tensile Strength (Mpa) |
Elongation (%) |
|
STKM11A |
|
≥290 |
≥35 |
|
STKM12A |
≥175 |
≥340 |
≥35 |
|
STKM12B |
≥275 |
≥390 |
≥25 |
|
STKM12C |
≥355 |
≥470 |
≥20 |
|
STKM13A |
≥215 |
≥370 |
≥30 |
|
STKM13B |
≥305 |
≥440 |
≥20 |
|
STKM13C |
≥380 |
≥510 |
≥15 |
|
STKM14A |
≥245 |
≥410 |
≥25 |
|
STKM14B |
≥355 |
≥500 |
≥15 |
|
STKM14C |
≥410 |
≥550 |
≥15 |
Tolerances on outside diameter:
|
Division |
Tolerances on outside diameter |
|
|
No. 1 |
Under 50 mm |
?0.5 mm |
|
50 mm |
±1% |
|
|
No. 2 |
Under 50 mm |
±0.25 mm |
|
50 mm |
±0.5% |
|
|
No. 3 |
Under 25 mm |
±0.12 mm |
|
25 mmD<40 mm |
±0.15% |
|
|
40 mmD<50 mm |
±0.18% |
|
Tolerances on Wall Thickness:
|
Division |
Tolerances on outside diameter |
|
|
No. 1 |
Under 4 mm |
+0.6 mm-0.5 mm |
|
4 mm |
+15%-12.5% |
|
|
No. 2 |
Under 3 mm |
±0.3 mm |
|
3 mm |
±10% |
|
|
No. 3 |
Under 2 mm |
±0.15 mm |
|
2 mm |
±8% |
|
Applications:
Tubes used for machinery, automobiles, bicycles, furniture, appliances and other machine parts.
Competitive Advantage:
Huacheng Pipe Making Company is one of the largest seamless steel pipe manufacturers in China.We’ve passed API 5L,API 5CT, PED, BV, TUV certification and ISO quality system certification.With good quality and competitive price, we believe we could be your reliable supplier.
Factroy Pictures:
Pipe & Tube Processing
Factory Equipments:
Production Line:
Quality Control:
Steel Pipe & Tube Application:
Package:
Export Standard / Wooden Box
Main Certificates:
PED ISO BV TUV etc.
Main Customers:
