Name: Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube
Brand: TORICH INTERNATIONAL LIMITED
SKU: GB/T 18254
Price: 28,750.50 USD
Availability: InStock

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Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube

low carbon steel tube

low carbon steel pipe

Place of Origin:

China

Brand Name:

Torich

Certification:

ISO 9001 ISO14001

Model Number:

GB/T 18254

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Product Details

Highlight:

low carbon steel tube

low carbon steel pipe

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

Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube Bearing tubes&steel tubes

High Carbon Chromium Bearing Steel Tube GB/T 18254:2002

Size:

OD 5-100mm

WT 0.5-15mm

Length: 12000mm

Application: Bearing, Bearing Parts

Steel pipe OD, Thickness and permissible

Steel pipe type amd production method		Size		size range	permissible variation
hot rolled steel pipe	Assel rolling+peeling	OD		55-148	±0.15
				＞148-170	±0.20
		thickness		4-8	+20%
				＞8-34	+15%
	Assel hot rolled	OD		60-67	±0.35
				＞75-100	±0.50
				＞100-170	±0.50%
		thickness	OD＜80	＜80	+12%
			OD≥80	≥80	+10%
cold drawn steel pipe		OD		≤65	+0.2
					-0.10
				＞65	±0.20
		thickness		3-4	+12%
				＞4-12	+10%
other production methods		negatiated by the parties and indicated into contract

Steel Curvature
steel type		curvature/(mm*m)≤	total curvature/mm ≤
hot rolled round steel		4	0.4%*steel length
hot rolled&annealed round steel		3	0.3%*steel length
hot forged round steel		5	0.5%*steel length
cold drawn round steel	Diameter≤25mm	2	0.2%*steel length
	Diameter＞25mm	1.5	0.15%*steel length
steel pipe	thickness≤15mm	1	4
	thickness＞15mm	1.5

Grade and chemical composition
No.	Grade	C	Si	Mn	Cr	Mo	P	S	Ni	Cu	NI+Cu	moulded steel	continuously cast steel
No.	Grade	C	Si	Mn	Cr	Mo	not exceeding
B00040	GCr4	0.95-1.05	0.15-0.30	0.15-0.30	0.35-0.50	≤0.08	0.025	0.02	0.25	0.2		15*10-6	12*10-6
B00150	GCr15	0.95-1.05	0.15-0.35	0.25-0.45	1.40-1.65	≤0.10	0.025	0.025	0.3	0.25	0.5	15*10-6	12*10-6
B01150	GCr15SiMn	0.95-1.05	0.45-0.75	0.95-1.25	1.40-1.65	≤0.10	0.025	0.025	0.3	0.25	0.5	15*10-6	12*10-6
B03150	GCr15SiMo	0.95-1.05	0.65-0.83	0.20-0.40	1.40-1.70	0.30-0.40	0.027	0.02	0.3	0.25		15*10-6	12*10-6
B02180	GCr18Mo	0.95-1.05	0.20-0.40	0.25-0.40	1.65-1.95	0.15-0.25	0.025	0.02	0.25	0.25		15*10-6	12*10-6

Condition of delivery

WHR Hot rolling and hot forging unannealed round steel

WHSTAR Hot rolling and hot forging soft annealed round steel

WHTGR Hot rolling spheroids annealed round steel

WHTGSFR Hot rolling spheroids annealed peeled round steel

WHSTASFR Hot rolling and hot forging soft annealed peeled peeled round steel

WCR Cold drawn(cold rolled)round steel

WCSPR Cold drawn(cold rolled)polished round steel

WHT Hot rolling steel tube

WHTASFT Hot rolling annealed peeled steel tube

WCT Cold drawn(cold -rolled)steel tube

After negotiation of the customer and supplier (stipulated in contract),the delivery condition can be “Annealed+phosphatized+micro drawing”+”Annealed+micro drawing”etc

WHWY Wire rod steel (hot rolling or spheroids annealed)

Hardness of Annealed steel products
Grade	HBW
GCr4	179-207
GCr15	179-207
GCr15SiMn	179-217
GCr15SiMo	179-217
GCr18Mo	179-207

Degree of Material purity

Non-metal inclusion Quanlified Level
Non-metal inclusion Type	Qualified Level Not exceed
Non-metal inclusion Type	Thin type	Thick type
A	2.5	1.5
B	2	1
C	0.5	0.5
D	1	1

Coloring requirements for different grades
Grade	Color
GCr4	one green+one white
GCr15	one blue
GCr15SiMn	one green+one blue
GCr15SiMo	one white+on yellow
GCr18Mo	two green

Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube 0

Tags：

Bearing GB / T 18254 Galvanized Steel Tube High Carbon Chromium Steel Round Tube

low carbon steel tube

low carbon steel pipe

low carbon steel tube

low carbon steel pipe

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