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Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel

Name: Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel
Brand: TORICH
Price: 1 USD

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Brand Name :	TORICH
Price :	negotiable
Delivery Time :	30 days
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Supply Ability :	60000 Ton/Year

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Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel

GOST 4543 Alloy Pipe for Water Wall Pannel

This pipe follow the GOST4543 which is for alloyed construction hot-rolled and forged gauged steel with diameter or thickness up to 250mm, and steel with a special surface finish, used in a thermally treated condition and produced in the form of bars, strips and hanks.

The mass fraction of phosphorus, sulfur, residual copper, nickel and chromium in steel of all grades shall not exceed the standards specified in table.

Category of steel	Mass fraction of elements, %, no more
Category of steel	Phosphorus	Sulfur	Copper	Nickel	Chromium
Quality	0.035	0.035	0.30	0.30	0.30
High- quality	0.025	0.025	0.30	0.30	0.30
Extra high quality	0.025	0.015	0.25	0.30	0.30

The hardness of cold-hardened steel with diameter or thickness more than 5mm shall be no more than HB 269 (diameter of imprint shall be no less than 3.7mm) or shall be stipulated by agreement between the manufacturer and the customer except for steel of grades 15X 15XA 20X 30X 35X 15T 18XTT 15XΦ whose hardness shall comply with standards specified in tables

Grade of steel	Diameter of imprint, mm, no less than	Hardness number, HB, no more than
15X 15XA	4.1	217
20X	4.0	229
30X	3.9	241
35X	3.8	255
15T	4.2	207
18XTT	4.0	229
15 XΦ	4.1	217

Grade of steel	Heat treatment					Yield stress N/mm²	Ultimate strength N/ mm²	Elongation	Contraction	Shock viscosity	Dimension of billet cross section for heat treatment
	Quenching			Tempering
	Temperature		Cooling medium	Tempe-rature	Cooling medium
	Of first quench-ing or normal-ization	Of second quenchi-ng	Cooling medium	Tempe-rature	Cooling medium	No less than
15X 15XA	880	770 to 820	Water or oil	180	Air or oil	490(50)	690(70)	12	45	69(7)	15
20X	860	770 to 820	oil	180	Air or oil	635(65)	780(80)	11	40	59(6)	15
30X	900air	-	oil	500	Water or oil	685(70)	880(90)	12	45	69(7)	25
30XPA	860	860	oil	200	Water or oil	1275(130)	1570(160)	9	40	49(5)	-
35X	860	-	oil	500	Water or oil	735(75)	910(93)	11	45	69(7)	25
38XA	860	-	oil	550	Water or oil	785(80	930(95)	12	50	88(9)	25
40X	860	-	oil	500	Water or oil	785(80)	980(100)	10	45	59(6)	25
45X	840	-	oil	520	Water or oil	835(85)	1030(105)	9	45	49(5)	25

Dimension of bars, mm	Depth of stripping of defect, no more than
Dimension of bars, mm	Quality and high quality steel	Extra high quality steel
Over200	6% of dimension	3% of dimension
From 140 to 200	5% of dimension	3% of dimension
From 80 to 120	Sum of maximum deviations	Half of dimension
Less than 80	Half the sum of maximum deviations

Torich International Co.,Ltd 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 factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories’ technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability.

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Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel

Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel

Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel

seamless steel pipe

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Good Quality GOST 4543 Seamless Alloy Steel Pipe Round For Water Wall Panel

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