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17.3mm 19.1mm JIS G3472 STAM390G Automobiles Carbon Steel Tubes

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17.3mm 19.1mm JIS G3472 STAM390G Automobiles Carbon Steel Tubes

Brand Name : Torich

Model Number : JIS G3472

Certification : IS09001 ISO14001 TS16949

Place of Origin : China

MOQ : 8 tons or 5 tons

Price : negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 60000tons per year

Delivery Time : 5-8 weeks days

Packaging Details : In bundles

Material : IS G3472 STAM290GA, STAM 290GB, STAM 340G, STAM 390G, STAM 440G, STAM 470G, STAM 500G, STAM 440H, STAM 470H, STAM 500H, STAM 540H ERW

OD : 12-127mm

Length : 12m max

Application : automobile structure steel tube

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17.3 mm 19.1 mm JIS G3472 Grade STAM390G Specifies the ERW carbon steel tubes used for automobiles

機械構造用炭素鋼鋼管
JIS G3445(STKM)
JIS G3472(STAM)		 機械､自動車､家具､航空機,その他の機械部品用｡ ASTM A512
ASTM A513
ASTM A519		 BS980
BS1717
BS1775		 DIN2391
DIN2393
DIN 2394

JIS G3472,This Japanese Industrial Standard Specifies the electric resistance welded (ERW) carbon steel tubes used for automobiles
Outside diameter:15.0mm up to and including127.0mm
Wall thickness:1.0mm up to and including 7.0mm

Application: Automobile structural purposes

Grade:JIS G3472 STAM290GA, STAM 290GB, STAM 340G, STAM 390G, STAM 440G, STAM 470G, STAM 500G, STAM 440H, STAM 470H, STAM 500H, STAM 540H ERW automobile structure steel tube

JIS G3472 ERW automobile structure steel tube Chemical Composition Table:

Steel Grade Chemical Composition %
C Si Mn P S
STAM 290GA 0.12 max. 0.35 max. 0.60 max. 0.035 max. 0.035 max.
STAM 290GB
STAM 340G 0.20 max. 0.35 max. 0.60 max. 0.035 max. 0.035 max.
STAM 390G 0.25 max. 0.35 max. 0.30~0.90 0.035 max. 0.035 max.
STAM 440G 0.25 max. 0.35 max. 0.30~0.90 0.035 max. 0.035 max.
STAM 440H
STAM 470G 0.25 max. 0.35 max. 0.30~0.90 0.035 max. 0.035 max.
STAM 470H
STAM 500G 0.30 max. 0.35 max. 0.30~1.00 0.035 max. 0.035 max.
STAM 500H
STAM 540H 0.30 max. 0.35 max. 0.30~1.00 0.035 max. 0.035 max.

JIS G3472 ERW automobile structure steel tube Mechanical Properties Table:

Grade Designation Tensile strength kgf/? Yield Strength
kgf/?		 Elongation (1)% No.1 test piece No.2 Test piece Flaring test (2)
Size of flared bell portion (D: outside diameter of tube)
{N/?} {N/?} Longitudinal direction
Grade G STAM 290GA 30 min. 18 min. 40 min. 1.25 D
{294} min. {177} min.
STAM 290GB 30 min. 18 min. 35 min. 1.20 D
{294} min. {177} min.
STAM 340G 35 min. 20 min. 35 min. 1.20 D
{343} min. {196} min.
STAM 390G 40 min. 24 min. 30 min. 1.20 D
{392} min. {235} min.
STAM 440G 45 min. 31 min. 25 min. 1.15 D
{441} min. {304} min.
STAM 470G 48 min. 33 min. 22 min. 1.15 D
{471} min. {324} min.
STAM 500G 51 min. 36 min. 18 min. 1.15 D
{500} min. {353} min.
Grade H STAM 440H 45 min. 36 min. 20 min. 1.15 D
{441} min. {353} min.
STAM 470H 48 min. 42 min. 18 min. 1.10 D
{471} min. {412} min.
STAM 500H 51 min. 44 min. 16 min. 1.10 D
{500} min. {431} min.
STAM 540H 55 min. 49 min. 13 min. 1.05 D
{539} min. {481} min.

JIS G3472 steel tube Dimension Table:

Specified outside dia. Specified wall thickness (mm)
(mm) 1 1.2 1.6 2 2.3 2.6 2.8 2.9 3.2 3.4 3.5 4 4.5 5 6
15.9 - 0.435 0.564 0.686 - - - - - - - - - - -
17.3 - - - 0.755 0.851 - - - - - - - - - -
19.1 0.446 0.53 0.69 0.843 0.953 - - - - - - - - - -
22.2 0.523 0.621 0.813 0.996 1.13 - - - - - - - - - -
25.4 - 0.716 0.939 1.15 - 1.5 - 1.61 - - - - - - -
28.6 - 0.811 1.07 1.31 - 1.67 - - - - - - - - -
31.8 0.76 0.906 1.19 1.47 1.67 - - - 2.26 - - - - - -
34 - - 1.28 - 1.8 - - - 2.43 - - 2.97 - - -
35 - 1 1.32 1.63 - - 2.22 2.32 - - - - - - -
38.1 0.915 1.09 1.44 1.78 2.03 - - - - - - - - - -
42.7 - 1.23 1.62 2.01 2.29 2.57 - - 3.12 - 3.38 - - 4.65 -
45 1.08 1.3 1.71 2.12 2.42 2.71 - 3.01 3.3 - - - 4.49 4.93 5.77
47.6 - 1.37 1.81 - 2.57 - - 3.2 - - - - - - -
48.6 - 1.4 1.85 2.3 2.63 - - 3.27 3.58 - - - 4.89 5.38 6.3
50.8 - 1.47 1.94 2.41 2.75 3.08 3.31 3.43 - 3.97 4.08 4.63 - - 6.63
54 - 1.56 2.07 - 2.93 3.29 3.54 3.65 - 4.24 4.36 4.95 - - -
57 - - 2.19 - 3.1 3.48 3.74 3.87 4.25 4.49 4.62 - - - -
60.5 - - 2.32 - 3.3 3.71 - 4.12 4.52 - - 5.59 - - -
63.5 - - 2.44 - - 3.9 - - - - - - - - -
65 - - 2.5 - - - - - 4.88 - 5.31 - - - -
68.9 - - 2.66 - 3.78 - - - - - - - - - -
70 - - 2.7 - - - - - 5.27 - 5.74 - - - -
75 - - 2.9 - 4.12 4.63 - 5.16 5.67 -

JIS G3472 STAM290GA, STAM 290GB, STAM 340G, STAM 390G, STAM 440G, STAM 470G, STAM 500G, STAM 440H, STAM 470H, STAM 500H, STAM 540H

17.3mm 19.1mm JIS G3472 STAM390G Automobiles Carbon Steel Tubes








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