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A179 Heat Exchanger Steel Pipe

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A179 Heat Exchanger Steel Pipe

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ASTM A179 Seamless Steel Tube for Heat Exchanger & Condenser

1 Production Description:

2 Standards: ASTM A179, ASME SA-179, ASTM A192, GB/T9948-2006,

ASTM A179 seamless steel pipe

3 Materials: A179, A450, 10#, 20#, 15CrMo, 1CrMo, 1Cr5Mo or as per your requirements

4 Application: heat exchanger, condenser, boiler

5 Package: in bundles with steel strips

Chemical Composition (%)			Mechanical Properties		Elongation (%)
C	Mn	P.S	Tensile (MPa)	Yield (MPa)	Elongation (%)
0.06 ～ 0.18	0.27~0.63	<=0.035	≥ 325	≥ 180	≥ 35

Tolerance：

Production	OD（mm）		W.T（mm）
	OD（mm）	Tolerance（mm）	OD（mm）	Tolerance（mm）
Hot Rolled	≤101.6	+0.4～-0.8	76～168.3	+28%～0
	>101.6～168.3	+0.4～-1.2
Cold Drawn	＜25.4	+0.10	≤38.1	+20%～0
	25.4～38.1	+0.15
	>38.1～＜50.8	+0.20	>38.1	+22%～0
	50.8～＜63.5	+0.25
	63.5～＜76.2	+0.30
	76.2～101.6	+0.38
	>101.6～190.5	+0.38～-0.64
	>190.5～228.6	+0.38～-1.14

American Standard ASTM A179, seamless cold drawn low carbon steel heat exchanger and condenser tube.

This pipe materials and Chinese GB 10 # somewhat similar. But you should note that not correspond to over steel can be used to do this a number of steel. You should pay attention to the detailed requirements of the original standard, pipe inspection and testing what should be done, do not use just any garbage 10 # steel instead oh.

Another A179 standard surface finish of the steel pipe is also a requirement, A179 steel hardness of the finished product is also a requirement, general domestic small pipe factory, arrange improper heat treatment process, often resulting in inferior quality steel.

Must pay attention to, oh, not corresponds to a steel can, moreover, not all of the 10 # steel A179 can be used to make steel pipe. Standard chemical element composition which has made its requirements, some steel mills GB is 10 # steel, but Ann A179 is unqualified. Be sure to pay attention to Oh.

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