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Help CenterJIS G3429 Seamless Mild Steel Tubing Passivation Surface For Gas Cylinder
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Certification:ISO 9001:2008, CE
| Features: | Thin Wall | Application: | High Pressure Gas Cylinder, Chemical |
| Delivery Condition: | Annealed, Normalized, Tempered | Grade: | STH11, STH12, STH21, STH22 |
| Product Name: | Mild Steel Tubing, Seamless Steel Tubes | Section Shape: | Round |
| Standard: | JIS G3429 | Surface Treatment: | Oil dip, Varnish, Passivation, Phosphating, Shot Blasting |
| Technique: | Seamless |
Quick Detail:
Standards: JIS G3429
Grade: STH11 STH12 STH21 STH22
Out Dimensions: 6mm ~ 350mm
Wall Thickness: 0.8mm ~ 35mm
Length: Fixed(6m,9m,12,24m) or normal length(5-12m)
Description:
Standards: JIS G3429
Grade: STH11 STH12 STH21 STH22
Outer Dimensions: 6mm ~ 350mm
Wall Thickness: 0.6mm ~ 35 mm
Length: max 24000mm
Application: Seamless steel tubes for high pressure gas cylinder..
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 Compositions(%):
|
Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
|
STH11 |
≤0.50 |
0.10-0.35 |
≤1.80 |
≤0.035 |
≤0.035 |
/ |
/ |
/ |
|
STH12 |
0.30-0.41 |
0.10-0.35 |
1.35-1.70 |
≤0.030 |
≤0.030 |
/ |
/ |
/ |
|
STH21 |
0.25-0.35 |
0.15-0.35 |
0.40-0.90 |
≤0.030 |
≤0.030 |
≤0.25 |
0.80-1.20 |
0.15-0.30 |
|
STH22 |
0.33-0.38 |
0.15-0.35 |
0.40-0.90 |
≤0.030 |
≤0.030 |
≤0.25 |
0.80-1.20 |
0.15-0.30 |
Applications:
JIS G3429 Seamless steel tubes for high pressure gas cylinder.
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