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Low Carbon Steel BS 6323-5 ERW1 KM Boiler Tube For Performance In Boiler

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Low Carbon Steel BS 6323-5 ERW1 KM Boiler Tube For Performance In Boiler

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Brand Name :	YUHONG
Model Number :	GOST9941-81
Certification :	ISO9001-2008, API 5L, API 5CT
Price :	Negotiable
Payment Terms :	T/T, L/C
Supply Ability :	100 tons per month
Delivery Time :	Depends on quantity

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Low Carbon Steel BS 6323-5 ERW1 KM Boiler Tube For Performance In Boiler

BS 6323-5 ERW1 KM Boiler Tube

BS 6323-5 ERW1 KM Boiler Tube is a British Standard specification for electric resistance welded (ERW) carbon steel tubes used in boiler applications. The ERW1 grade indicates that the tube is manufactured using a low carbon steel material, while the KM designation signifies that the tube is suitable for high temperature and pressure boiler systems. This specification sets out the requirements for the dimensions, mechanical properties, and testing of the boiler tube to ensure its e and reliable performance in industrial boiler applications.

Steel Grade and Chemical Compositions:

Desig nation	Chemical Compositions( ladle analysis)					Mechanical properties
Desig nation	C	Si	Mn	P	S	KM (as welded)				GMK and GZF (annealed			NKM and NZF(normalzied)
	max.	max.	max.	max.	max.	Re min.	Rm min.	A min	A min.	Re min.	Rm min.	A min.	Re min.	Rm min.	A min.
								D/a≤ 20	D/a> 20
	%	%	%	%	%	N/m m2	N/m m2	%	%	N/m m2	N/m m2	%	N/m m2	N/m m2	%
ERW 1	0.13	__	0.60	0.050	0.050	200	300	10	20	150	270	27	155	280	25
ERW 2	0.16	__	0.70	0.050	0.050	250	340	8	15	195	300	27	195	320	25
ERW 3	0.20	0.35	0.90	0.050	0.050	300	400	7	12	215	340	26	215	360	24
ERW 4	0.25	0.35	1.20	0.050	0.050	350	450	6	10	235	400	24	235	410	22
ERW 5	0.23	0.50	1.50	0.050	0.050	420	420	6	8	340	__	__	340	490	20

Diameter		Tolerance
Diameter		1	2	3
over	Up to and including	KM condition D/a	GKM, GZF,NKM, NZF condition 20
		≤40 GKM,GZF,
		NKM, NZF condition≤20
mm	mm	mm	mm	mm
	20	±0.12	±0.18	±0.24
20	30	±0.15	±0.22	±0.30
30	50	±0.20	±0.30	±0.40
50	70	±0.25	±0.37	±0.50
70	90	±0.30	±0.45	±0.60
90	110	±0.35	±0.52	±0.70
110	130	±0.45	±0.68	±0.90
130	150	±0.55	±0.82	±1.10
150	170	±0.65	±0.97	±1.30
170		±0.75% of outside	±1% of outside diameter	±1.5% of outside diameter
170		diameter	±1% of outside diameter	±1.5% of outside diameter

Tube Sizes for Heat Exchangers & Condensers & Boiler
Outside Diameter			BWG
		25	22	20	18	16	14	12	10
			Wall Thickness mm
		0.508	0.71	0.89	1.24	1.65	2.11	2.77	3.40
mm	inch		Weight kg/m
6.35	1/4	0.081	0.109	0.133	0.174	0.212
9.53	3/8	0.126	0.157	0.193	0.257	0.356	0.429
12.7	1/2		0.214	0.263	0.356	0.457	0.612	0.754
15.88	5/8		0.271	0.334	0.455	0.588	0.796	0.995
19.05	3/4		0.327	0.405	0.553	0.729	0.895	1.236
25.4	1		0.44	0.546	0.75	0.981	1.234	1.574	2.05
31.75	1 1/4		0.554	0.688	0.947	1.244	1.574	2.014	2.641
38.1	1 1/2		0.667	0.832	1.144	1.514	1.904	2.454	3.233
44.5	1 3/4				1.342	1.774	2.244	2.894	3.5
50.8	2				1.549	2.034	2.574	3.334	4.03
63.5	2 1/2				1.949	2.554	3.244	4.214	5.13
76.2	3				2.345	3.084	3.914	5.094	6.19
88.9	3 1/2				2.729	3.609	4.584	5.974	7.27
101.6	4					4.134	5.254	6.854	8.35
114.3	4 1/2					4.654	5.924	7.734	9.43
Form of Tube: Straight & U-bend & Finned & Coiled
Stainless Steel Tube: A/SA213, A/SA249, A/SA268, A/SA269, A/SA789, EN10216-5, A/SA688, B/SB163, JIS-G3463, GOST9941-81.
Carbon &Alloy Steel Tube: A/SA178, A/SA179, A/SA192,A/SA209, A/SA210, A/SA213, A.SA214, SA423

Application

Off-Shore Oil Drilling Companies
Power Generation
Petrochemicals
Gas Processing
Specialty Chemicals
Pharmaceuticals
Pharmaceutical Equipment
Chemical Equipment
Sea Water Equipment
Heat Exchangers
Condensers
Pulp and Paper Industry

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