Name: Q345B BIG DIAMETER ROUND BAR round alloy steel Stock Sizes Available free cutting mild steel bar
Brand: emerson
Availability: InStock

Product Details

Production Description

Q345B BIG DIAMETER ROUND BAR round alloy steel Stock Sizes Available free cutting mild steel bar

1. material: S235JR, 1045, 1018, 1518, 1020, 41040, 4340, 8620 and other materials etc.

2. surface: bright , pickled , black .

3. length: as the request of customers .

Production Description & Packaging & Shipping

Yield strength Map

Tensile Strength Map

Elongation %

Q345b

≤0.2

≤0.55

1-1.6

≤0.04

0.02-0.15

0.015-0.06

0.02-0.2

345

470-610

Diameter	1/4" ~ 4" (6.35mm~101.6mm)
Length	1m~6m
Package Detail	Export standard package, bundled or be required. The inner size of container is below: 20ft GP: 5.9m(length) x 2.13m(width) x 2.18m(high) about 24-26CBM 40ft GP: 11.8m(length) x 2.13m(width) x 2.18m(high) about 54CBM 40ft HG: 11.8m(length) x 2.13m(width) x 2.72m(high) about 68CBM
Delivery Time	10-25 days according to your quantity

Size Tolerances

d/a(mm)

5.5-7

7-20

20-30

30-50

50-80

80-110

110-150

150-190

190-250

(mm)

+0.30

-0.30

+0.35

-0.35

+0.40

-0.40

+0.50

-0.50

+0.70

-0.70

+1.0

-1.0

+1.3

-1.3

+2.0

-2.0

+2.5

-2.5

Application

1): Can be used in many fields such as building, automobile, shipbuilding, petrochemical, machinery, medicine, food, electric power, energy, space, building and decoration, etc.

2): Can be made into mould template, mortise pin, column

3): This kind of steel have good mechanical property, is widely used in structural parts which may support stress alternation, especially made into some connecting rods, bolts, wheel gear...

Diameter(mm)	Weight (kg/m)	Diameter(mm)	Weight(kg/m)
	Round Bar		Round Bar
5.5	0.186	13	1.04
6	0.222	14	1.21
6.5	0.26	15	1.39
7	0.302	16	1.58
8	0.395	17	1.78
9	0.499	18	2
10	0.617	19	2.23
*11	0.746	20	2.47
12	0.888	21	2.72
22	2.98	63	24.5
*23	3.26	*65	26
24	3.55	*68	28.5
25	3.85	70	30.2
26	4.17	75	34.7
*27	4.49	80	39.5
28	4.83	85	44.5
*29	5.18	90	49.9
30	5.55	95	55.6
*31	5.92	100	61.7
32	6.31	105	68
*33	6.71	110	74.6
34	7.13	115	81.5
*35	7.55	120	88.8
36	7.99	125	96.3
38	8.9	130	104
40	9.86	140	121
42	10.9	150	139
45	12.5	160	158
48	14.2	170	178
50	15.4	180	200
53	17.3	190	223
*55	18.6	200	247
56	19.3	220	298
*58	20.7	250	385

Detailed Images

FAQ

1. What is your minimum order quantity?

For steel plate;one piece is ok. For steel pipe;one ton is ok.

Too litter quantity,the cost relatively high added fregiht. Larger quantity, better price.

2.How long will it take to receive my order?

7 days for stock sizes, 20-25 days for new product
3.Which type of shipping do you usually choose?

Packaging	when each plate weight is under 1 ton, it will be in bundle with steel strips 2-4, when each plate weight is over 1ton, it will be piece by piece.
20 feet container contains dimension	Width under 2300mm, length under 6000mm
40 feet container contains dimension	Width under 2300mm, length under 12000mm
By bulk vessel	Freight charge is low by bulk cargo, and large heavy sizes can not be loaded into containers can shipping by bulk cargo