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JIS G3429 Thin Wall Seamless Steel Tubes
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JIS G3429 Thin Wall Seamless Steel Tubes

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JIS G3429 Thin Wall Seamless Steel Tubes with Passivation Surface for High Pressure Gas Cylinder

 

 

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

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Mr. Charlie Zhu
Tel: 86-25-58439035
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Huacheng Industry Pipe Making Corporation.
337 Renmin(E), Tangqiao Town, Zhangjiagang City, Nanjing, Jiangsu, China (Mainland)
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