Name: Seamless Automotive Steel Tubes GB / T3203 Grade G10CR2NI3MO
Brand: TORICH INTERNATIONAL LIMITED
SKU: GB/T3203
Price: 28,750.50 USD
Availability: InStock

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Seamless Automotive Steel Tubes GB / T3203 Grade G10CR2NI3MO

low carbon steel tube

steel mechanical tubing

Place of Origin:

China

Brand Name:

Torich

Certification:

ISO 9001 ISO14001

Model Number:

GB/T3203

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Product Details

Highlight:

low carbon steel tube

steel mechanical tubing

Payment & Shipping Terms

Minimum Order Quantity

1ton

Price

negotiable

Packaging Details

In export packaging

Delivery Time

60-90days

Payment Terms

L/C, T/T

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Product Description

Seamless Automotive Steel Tubes GB / T3203 Grade G10CR2NI3MO

Carburizing steel for bearing

Length :3-6m

Deliver condition:Hot rolling and Forged steel---hot rolling, forged ,annealing

Cold rolling ---Annealing ,tempering

Item	Grade	Chemical compositions
		C	Si	Mn	Cr	Ni	Mo	Cu	P	S
		C	Si	Mn	Cr	Ni	Mo	≤
1	G20CrMo	0.17-0.23	0.20-0.35	0.65-0.95	0.35-0.65	-	0.08-0.15	0.25	0.03	0.03
2	G20CrNiMo	0.17-0.23	0.15-0.40	0.60-0.90	0.35-0.65	0.40-0.70	0.15-0.30	0.25	0.03	0.03
3	G20CrNi2Mo	0.17-0.23	0.15-0.40	0.40-0.70	0.35-0.65	1.6-2.00	0.20-0.30	0.25	0.03	0.03
4	G20Cr2Ni4	0.17-0.23	0.15-0.40	0.30-0.60	1.25-1.75	3.25-3.75	-	0.25	0.03	0.03
5	G10Cr2Ni3Mo	0.08-0.13	0.15-0.40	0.40-0.70	1.00-1.40	3.00-3.50	0.08-0.15	0.25	0.03	0.03
6	G20Cr2Mn2Mo	0.17-0.23	0.15-0.40	1.30-1.60	1.70-2.00	Max0.30	0.20-0.30	0.25	0.03	0.03

Mechanical properties
Item	Grade	Tensile strength Mpa	Elongation %	Shrinkage %	Impact value J
1	G20CrNiMo	1176	9	45	8
2	G20CrNi2Mo	980	13	45	8
3	G20Cr2Ni4	1176	10	45	8
4	G10Cr2Ni3Mo	1078	9	45	8
5	G20Cr2Mn2Mo	1274	9	40	7

Hardenability
Grade	Heat treatment	Hardness HRC
		Distance from the end,mm
		1.5	9
G20CrNiMo	920-950℃,60min,Normailized 900±20℃,15-30min,water	40-48	23-38
G20CrNi2Mo	920±20℃,60min,Normailized 900±20℃,15-30min,water	41-48	≥30

Remark :Hardness of steel with annealing condition :G20Cr2Ni4(A)≤241,thers are ≤229.

Dimension and tolerance /mm
OD	Tolerance	OD	Tolerance	OD	Tolerance	OD	Tolerance
8	0.6	23	0.7	38	0.9	75	1.2
10		24		40		80	1.2
11		25		42		85	1.8
12		26		43		90
13		27		44		95
14		28		45		100
15		29		46		105
16		30		48		110
17		32	0.9	50		115
18		33		52	1.2	120	2.5
19		34		55		125
20		35		60		130
21	0.7	36		65		140
22	0.7	37		70		150