ASTM A192 seamless steel pipe

Date:2024-07-12

ASTM A192 seamless steel pipes are designed for high-pressure applications, primarily in boilers, superheaters, and heat exchangers. These pipes are known for their high tensile strength and durability.

Specifications of ASTM A192 seamless steel pipe:

Material: Carbon steel

Size Range: Typically 1/2” to 7” in outer diameter

Wall Thickness: Varies based on application requirements

Standards: Must meet the ASTM A192/A192M standards for chemical composition, mechanical properties, and tolerances.

Applications of ASTM A192 seamless steel pipe:

High-pressure boiler systems

Heat exchangers

Superheaters

Chemical composition of ASTM A192 seamless steel pipe:

C, %	Mn, %	Si, %	P, %	S, %
0.06-0.18	0.27-0.63	0.25 max	0.035 max	0.035 max

Mechanical properties of ASTM A192 seamless steel pipe:

Tensile Strength , MPa	Yield Strength , MPa	Elongation, %	Hardness, HB, WT≥5.1mm	Hardness, HRB, WT＜5.1mm
325 min	180 min	35 min	137 max	77 max

Outside diameter & tolerance of ASTM A192 seamless steel pipe:

Hot rolled	Outside Diameter, mm	Tolerance, mm
	OD≤101.6	+0.4/-0.8
	101.6＜OD≤177.8	+0.4/-1.2

Cold Drawn	Outside Diameter, mm	Tolerance, mm
	OD＜25.4	±0.10
	25.4≤OD≤38.1	±0.15
	38.1＜OD＜50.8	±0.20
	50.8≤OD＜63.5	±0.25
	63.5≤OD＜76.2	±0.30
	76.2≤OD≤101.6	±0.38
	101.6＜OD≤177.8	+0.38/-0.64

Wall thickness & tolerance of ASTM A192 seamless steel pipe:

Hot rolled	Outside Diameter, mm	Tolerance, %
	OD≤101.6, WT≤2.4	+40/-0
	OD≤101.6, 2.4＜WT≤3.8	+35/-0
	OD≤101.6, 3.8＜WT≤4.6	+33/-0
	OD≤101.6, WT>4.6	+28/-0
	OD>101.6, 2.4＜WT≤3.8	+35/-0
	OD>101.6, 3.8＜WT≤4.6	+33/-0
	OD>101.6, WT>4.6	+28/-0
Cold Drawn	Outside Diameter, mm	Tolerance, %
	OD≤38.1	+20/-0
	OD>38.1	+22/-0