Seamless steel pipe
Welded steel pipe
Carbon steel pipe
Alloy pipe
galvanized steel pipe
stainless steel pipe
steel pipe schedule
pipe fittings
The mainproduction steel grades:
A192 SA192negotiated, but also supply other grades of steel.
Purpose:
With a minimumwall thickness for high pressure seamless carbon steel pipe Boiler andSuperheater
	
standards
	ASTMA192 ---American Society of Mechanical Engineers standards
	ASMESA192---American Society of Mechanical Engineers standards
Mechanicalproperties:
| 
				 Standard  | 
			
				 Grade  | 
			
				 Tensile strength (MPa)  | 
			
				 Yield strength (MPa)  | 
			
				 Elongation (%)  | 
		
| 
				 ASTMA192/ASMESA192  | 
			
				 A192/SA192  | 
			
				 ≥325  | 
			
				 ≥180  | 
			
				 ≥35  | 
		
	
	Chemicalcomposition:
| 
				 Standard  | 
			
				 Grade  | 
			
				 Chemical Composition  | 
		|||||||||
| 
				 C  | 
			
				 Si  | 
			
				 Mn  | 
			
				 P  | 
			
				 S  | 
			
				 Cr  | 
			
				 Mo  | 
			
				 Cu  | 
			
				 Ni  | 
			
				 V  | 
		||
| 
				 ASTM A192/ASME SA192  | 
			
				 A192 / SA192  | 
			
				 0.06~0.18  | 
			
				 ≤0.25  | 
			
				 0.27~0.63  | 
			
				 ≤0.035  | 
			
				 ≤0.035  | 
			
				 
  | 
			
				 /  | 
			
				 /  | 
			
				 /  | 
			
				 /  | 
		
Tolerance on dimension:
	
| 
				 OD  | 
			
				 OD Tolerance  | 
			
				 WT Tolerance  | 
		||
| 
				 +  | 
			
				 -  | 
			
				 +  | 
			
				 -  | 
		|
| 
				 D < 1"  | 
			
				 0.1  | 
			
				 0.1  | 
			
				 20%  | 
			
				 0  | 
		
| 
				 1"≦ D ≦1 1/2"  | 
			
				 0.15  | 
			
				 0.15  | 
			
				 20%  | 
			
				 0  | 
		
| 
				 1 1/2" < D < 2"  | 
			
				 0.2  | 
			
				 0.2  | 
			
				 22%  | 
			
				 0  | 
		
| 
				 2"≦ D <2 1/2"  | 
			
				 0.25  | 
			
				 0.25  | 
			
				 22%  | 
			
				 0  | 
		
| 
				 2 1/2" ≦ D < 3"  | 
			
				 0.3  | 
			
				 0.3  | 
			
				 22%  | 
			
				 0  | 
		
| 
				 3"≦ D ≦4"  | 
			
				 0.38  | 
			
				 0.38  | 
			
				 22%  | 
			
				 0  | 
		
| 
				 4"< D ≦7 1/2"  | 
			
				 0.38  | 
			
				 0.64  | 
			
				 22%  | 
			
				 0  | 
		
| 
				 7 1/2"< D ≦ 9"  | 
			
				 0.38  | 
			
				 1.14  | 
			
				 22%  | 
			
				 0  |