Heat and product analysis shall be performed wherein steel materials shall conform to required chemical compositions of carbon, manganese, phosphorus, and sulfur.
C, % |
Mn, % |
P, % |
S, % |
0.06-0.18 |
0.27-0.63 |
0.035 max |
0.035 max |
Tensile Strength, MPa |
Yield Strength, MPa |
Elongation, % |
Hardness, HRB |
325 min |
180 min |
35 min |
72 max |
A179 black steel pipe minimum carbon content is 0.06%. The seamless steel tube minimum tensile strength of 325MPa, yield strength of 180MPa.The minimum elongation of A179 seamless pipe is 20%.
STEEL A179 BOILER PIPE-DIN 2458 Application
A179 seamless steel pipe is widely used in industries such as petroleum, chemical, medical, food, light industry, machinery, instrument, include industrial pipeline and mechanical structure parts, etc.
Standard:ASTM A179
Delivery time :
Promptly ( Stock) or 10-40 days (Production)
Stock : some are Available
MTC: Available
Outside Diameter, mm |
Tolerance, mm |
3.2≤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 |
±0.38 |
Outside Diamter, mm |
Tolerance, % |
3.2≤OD<38.1 |
+20/-0 |
38.1≤OD≤76.2 |
+22/-0 |
Length: 5800mm; 6000mm; 6096mm; 7315mm; 11800mm; and so on.
Max length: 27000mm, also U bending can be offered.
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