Seamless Cold Formed Steel Tube / Structural 2 Inch Steel Pipe 30CrMnSi GOST 8734-75 manufacturer from China TORICH INTERNATIONAL CO.,LTD

Seamless Cold Formed Steel Tube / Structural 2 Inch Steel Pipe 30CrMnSi

Place of Origin:

Zhejiang, China (Mainland)


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Product Detail

Model No.: GOST 8734-75

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GOST 8734-75 Seamless Structural Steel Pipe and Steel Tubes Cold-Formed 10 , 20 , 35 , 45 , 10Mn2 , 15Cr , 30CrMnSi

GOST 8734-75. Seamless Steel Tubes Cold-Formed

Outside Diameter: 5 – 140 mm
(5; 6; 7; 8; 9; 10; 11; 12; 13; 14; 15; 16; 17; 18; 19; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 32; 34; 35; 36; 38; 40; 42; 45; 48; 50; 51; 53; 54; 56; 57; 60; 63; 65; 68; 70; 73; 75; 76; 80; 83; 85; 89; 90; 95; 100; 102; 108; 110; 120; 130; 140)

Wall Thickness: 0,4 – 12 mm
(0,4; 0,5; 0,6; 0,8; 1; 1,2; 1,4; 1,5; 1,6; 1,8; 2; 2,2; 2,5; 2,8; 3; 3,2; 3,5; 4; 4,5; 5; 5,5; 6; 6,5; 7; 7,5; 8; 8,5; 9; 9,5; 10; 11; 12)

Tolerances:
OD:
D 5 – 10 mm: ± 0,15 mm
D 11 – 30 mm: ± 0,30 mm
D 32 – 50 mm: ± 0,40 mm
D 51 – 140 mm: ± 0,8%
WT:
S 0,4 – 1 mm: ± 0,12 mm
S 1,2 – 5 mm: ± 10%
S 5,5 – 12 mm: ± 8%

Notes:

Steel grades: 10, 20, 35, 45, 10Mn2, 15Cr, 20Cr, 40Cr, 30CrMnSi, 15CrMo acc. to GOST 1050-88, GOST 19281-89, GOST 4543-71. Others steel grades are available subject to agreement.
Dimensions and tolerances acc. to GOST 8734-75.
Technical requirements acc. to GOST 8733-74.
Length from 1.5 to 11.5 m depending on diameter and wall thickness.

Sizes
OD, mm	WT, mm	OD, mm	WT, mm	OD, mm	WT, mm
5	0,5 – 1,5	16 – 20	0,4 – 5	45 – 48	1 – 10
6	0,5 – 2	21 – 22	0,4 – 6	50 – 56	1 – 12
7 – 8	0,5 – 2,5	23 – 24	0,5 – 4	57 – 70	1,5 – 12
9	0,4 – 3	25 – 28	1 – 7	73 – 95	2 – 12
10 – 12	0,4 – 3,5	30 – 36	1 – 8	100 – 130	2,5 – 12
13 – 15	0,4 – 4	38 – 42	1 – 9	140	3 – 12

Mr. Richard

Tel: 86-574-88086983

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Company Info

TORICH INTERNATIONAL CO.,LTD [China (Mainland)]

Business Type:Manufacturer
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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Mechanical properties
Steel Grade	Tensile Strength, N/mm2(min)	Yield Strength,N/mm2 (min)	Elongation, % (min)
10	343	206	24
20	412	245	21
35	510	294	17
45	589	323	14
10Mn2	422	245	22
15Cr	412	-	19
20Cr	431	-	17
40Cr	618	-	14
30CrMnSi	491	-	18