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Nice Quality And Competitive Price Astm A178 4 - 450mm Outside Diameter Heat Exchanger Carbon Steel Welded Pipe

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Address: Suite 1004, Hongan Plaza, #258 Die Yuan Road, Yinzhou District, Ningbo City, China

Contact name:Richard SHEN

TORICH INTERNATIONAL LIMITED

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Nice Quality And Competitive Price Astm A178 4 - 450mm Outside Diameter Heat Exchanger Carbon Steel Welded Pipe

Country/Region	china
City & Province	ningbo zhejiang

Product Details

Applications: for Boilers,Superheaters, Heat-Exchangers, Condensers, Boiler flues, superheater flues and safe ends

Material: Carbon Steel and carbon manganese steel

Production: Electric Resistance Welding

Size range: O.D.:6-127mm W.T.:0.9-9.1mm L: according to customer requirement

Mechanical Properties	Grade A	Grade C	Grade D
Tensil Strength: min ksi[Mpa]	47[325]	47[415]	70[485]
Yield Point: min ksi[Mpa]	26[180]	37[255]	40[275]
Elongation:	≥35%	≥30%	≥30%

Tolerance for OD and WT(SA-450/SA-450M)
OD in(mm)	+	-	WT in(mm)	+	-
<1''(25.4)	0.10	0.10	≤1.1/2''(38.1)	20%	0
1''~1.1''(25.4~38.1)	0.15	0.15	>1.1/2''(38.2)	22%	0
>1.1/2''~<2''(38.1~50.8	0.20	0.20
2''~<2.1/2''(50.8~63.5)	0.25	0.25
2.1/2''~<3''(63.5~76.2)	0.30	0.30
3''~<4''(76.2~101.6)	0.38	0.38
4''~<7.1/2''(101.6~190.5)	0.38	0.64
>7.1/2~9''(190.5~228.6)	0.38	1.14

Heat Treatment

After welding , all tubes shall be heat treated at a temperature of 1650ºF (900ºC) or higher and followed by cooling in air or in the cooling chamber of a controlled atmosphere furnace.

Chemical Composition

Carbon , max% 0.18

Manganese, % 0.27-0.63

Phosphorus max% 0.035

Sulfur, max% 0.035

Hardness Requirement

The tubes shall have a hardness number not exceeding 72 HRB

Mechanical Tests Required

1.Flattening Test

2.Flange Test

3.Reverse Test

4.Hardness Test

5.Hydrostatic or Nondestructive Electric Test

Chemical Requirements

Element	GradeT1	GradeT1a	GradeT1b	GradeT2	GradeT11	GradeT12	GradeT22
Carbon	0.10-0.20	0.15-0.25	0.14max	0.10-0.20	0.05-0.15	0.05-0.15	0.15max
Manganese	0.30-0.80	0.30-0.80	0.30-0.80	0.30-0.61	0.30-0.60	0.30-0.61	0.30-0.60
Phosphorus,max	0.025	0.025	0.025	0.025	0.025	0.030	0.025
Sulfur,max	0.025	0.025	0.025	0.020	0.020	0.020	0.020
Silicon	0.10-0.50	0.10-0.50	0.10-0.50	0.10-0.30	0.50-1.00	0.50max	0.50max
Molybdenum	0.44-0.65	0.44-0.65	0.44-0.65	0.44-0.65	0.44-0.65	0.44-0.65	0.87-1.13
Chromium	---	---	---	0.50-0.81	1.00-1.50	0.80-1.25	1.90-2.60

Pneumatic Cylinder Tube				Hydraulic Cylilnder Tube
ID mm	OD mm	Thickness (mm)	Unitweigh (kg/m)	ID mm	OD mm	Thickness (mm)	Unitweigh (kg/m)
90	100	5	11.71	50	60	5	6.78
				50	63	6.5	9.06
100	110	5	12.95	50	65	7.5	10.63
				50	70	10	14.8
125	135	5	16.03	56	66	5	7.52
				60	70	5	8.01
140	152	6	21.6	60	73	6.5	10.66
				60	80	10	17.26
150	160	5	19.11	63	76	6.5	11.14
				63	80	8.5	14.99
160	170	5	20.34	63	83	10	18
				65	75	5	8.63
160	172	6	24.56	65	80	7.5	13.41
				70	80	5	9.25
180	194	7	32.28	70	83	6.5	12.26
				70	86	8	15.39
200	214	7	35.73	70	90	10	19.73
				75	90	7.5	15.26
200	216	8	41.03	75	95	10	20.96
				80	93	6.5	13.87
200	219	9.5	49.08	80	95	7.5	16.18
				80	100	10	22.19
250	266	8	50.9	80	102	11	24.68
				80	108	14	32.45
250	273	11.5	74.16	85	98	6.5	14.67
				85	100	7.5	17.11
300	320	10	76.45	85	105	10	23.43
				90	102	6	14.2
320	340	10	81.38	90	105	7.5	18.03
				90	108	9	21.97
400	426	13	132.4	90	110	10	24.66
				90	114	12	30.18

competitive Advantage:
100% good quality and price
The best service in steel field.. Including after-sales service
Reasonable price. We only illing to do business with sincere buyers.
We could produce this pipe according American standard.
We are also a manufacturer,so we can provide the products in conformity with your requirements
rapidly Our company has rich technical force and advanced production equipment and coordinated
advanced test equipment and method.