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Round Seamless Hot Formed Structural Steel Pipe 10 , 20 , 35 , 45 , 10Mn2 , 15Cr

China Round Seamless Hot Formed Structural Steel Pipe 10 , 20 , 35 , 45 , 10Mn2 , 15Cr

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Round Seamless Hot Formed Structural Steel Pipe 10 , 20 , 35 , 45 , 10Mn2 , 15Cr

MOQ： 5MT
Price： USD600-900
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Supply Ability	7000MT/Month
Delivery Time	30-40days
Packaging Details	In bundles with anti rust protection, in hexagonal bundles
Dimension:	32-219mm2.8-46mm4000-11700mm
Steel Grade:	10 , 20 , 35 , 45 , 10Mn2 , 15Cr , 20Cr
Product Name:	Structural Steel Pipe
Section Shape:	Round
Brand Name	Torich
Model Number	GOST 8732-78
Certification	GB/T 19001-2008 , ISO 9001:2008 , TS16949
Place of Origin	China

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Product Details
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Product Specification


Supply Ability	7000MT/Month	Delivery Time	30-40days
Packaging Details	In bundles with anti rust protection, in hexagonal bundles	Dimension:	32-219mm2.8-46mm4000-11700mm
Steel Grade:	10 , 20 , 35 , 45 , 10Mn2 , 15Cr , 20Cr	Product Name:	Structural Steel Pipe
Section Shape:	Round	Brand Name	Torich
Model Number	GOST 8732-78	Certification	GB/T 19001-2008 , ISO 9001:2008 , TS16949
Place of Origin	China
High Light	structural steel tubing ，structural steel square tubing

GOST 8732-78 10 , 20 , 35 , 45 , Seamless Hot-Formed Steel Pipes , Structural Steel Pipe, Structural Steel Tube

GOST 8732-78. Seamless Hot-Formed Steel Pipes

Outside Diameter: 32 – 219 mm
(32; 33,7; 38; 42; 42,4; 45; 48,3; 50; 51; 54; 57; 60; 60.3*; 63,5; 68; 70; 73; 76; 82,5*; 83; 89; 95; 102; 108; 114; 121; 127; 133; 140; 146; 152; 159; 168; 178*; 180; 194; 203; 219)

Wall Thickness: 2.8 – 46 mm
(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; 13; 14; 15; 16; 17; 18; 19; 20; 22; 24; 25; 26; 28; 30; 32; 34; 35; 36; 38; 40; 42; 45) .

Tolerances:
OD:
D 32 – 50 mm: ± 0.5 mm
D 51 – 219 mm: ± 1%
WT:
S 2,8 – 15 mm: + 12,5% – 15%
S 16 – 30 mm: ± 12,5%
S 32 – 45 mm: + 10% – 12,5%
Notes:

Steel grades: 10, 20, 35, 45, 10Mn2, 15Cr, 20Cr, 40Cr, 30CrMnSi, 15CrMo, 30CrM acc. to GOST 1050-88, GOST 4543-71, GOST 19281-89.
Dimension marked by "*", as well as intermediate dimensions are produced subject to agreement.
Dimensions of pipes and tolerances according to GOST 8732-78.
Technical requirements according to GOST 8731-74.
Length from 4 up to 11.7 m depending on diameter and wall thickness.
Groups of metrics of quality:
BВ – with rate setting of chemical composition for killed steel (grades according to GOST 1050-88, GOST 4543-71, GOST 19281-89);
V – with rate setting of mechanical properties and chemical composition;
G – with rate setting of chemical composition and control of mechanical properties for heat-treated samples. Mechanical properties are according to steel standards.

Sizes
OD, mm	WT, mm	OD, mm	WT, mm	OD, mm	WT, mm
32 – 33,7	2,8 – 4,0	89 – 95	3,5 – 24	146	5 – 38
38 – 42,4	3 – 4,5	102 – 108	4 – 28	152	5 – 40
45 – 54	3,5 – 6,0	114	4,5 – 28	159	5 – 42
57 – 68	3,5 – 14	121	5 – 30	168 – 194	6 – 45
70	3,5 – 16	127	5 – 32	203 – 219	8 – 45
73 – 76	3,5 – 20	133	5 – 35
82,5 – 83	3,5 – 22	140	5 – 36

Mechanical Properties
Steel Grade	Tensile Strength, N/mm2(min)	Yield Strength,N/mm2 (min)	Elongation, % (min)
10	353	216	24
20	412	245	21
35	510	294	17
45	588	323	14
10Mn2	421	265	21
20Cr	431	-	16
40Cr	657	-	9
30CrMnSi	686	-	11
15CrMo	431	225	21
30CrMn	588	392	13

Chemical composition (%, max)
Steel Grade	C	Si	Mn	Cr	Ni	Mo	S	P	Cu	N
10	0,07-0,14	0,17-0,37	0,35-0,65	0,15	0,3	-	-	-	-	-
20	0,17-0,24	0,17-0,37	0,35-0,65	0,25	0,25	-	0,03	0,025	0,30	0,008
35	0,32-0,40	0,17-0,37	0,50-0,80	0,25	0,30	-	0,04	0,035	0,30	-
45	0,42-0,45	0,17-0,37	0,50-0,80	0,25	-	-	-	-	-	-
10Mn2	0,07-0,15	0,17-0,37	1,2-1,6	0,30	0,30	-	0,035	0,035	0,30	-
20Cr	0,17-0,23	0,17-0,37	0,50-0,80	0,70-1,0	0,30	-	0,035	0,035	0,30	-
40Cr	0,36-0,44	0,17-0,37	0,50-0,80	0,80-1,10	0,30	-	0,035	0,035	0,30	-
30CrMnSi	0,28-0,34	0,90-1,20	0,80-1,10	0,80-1,10	0,30	-	0,005	0,025	-	-
15CrMo	0,11-0,18	0,17-0,37	0,40-0,70	0,80-1,10	0,30	0,40-0,55	0,025	0,025	0,30	-
30CrMn	0,26-0,33	0,17-0,37	0,40-0,70	0,80-1,10	0,30	0,15-0,25	0,025	0,025	0,30	-

Company Details

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Business Type:

Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller 
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Year Established:

1997 
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Total Annual:

25000000-30000000
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Employee Number:

100~200 
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Ecer Certification：

Verified Supplier 

Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ... Who We are ? -------A professional steel pipes materials inventor, manufacturer and solution providerTorich International Limited is a professional manufacturer and exporter of steel pipes materials. It is an international marketing and sales company specialized in steel tubes, which holds the ...

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TORICH INTERNATIONAL LIMITED
Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China
https://www.precision-steeltube.com/

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