Seamless steel pipe according to the different production process, it can be divided to cold drawn steel pipe ,hot rolled steel pipe and hot expand steel pipe . It mainly used in water engineering ,petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction, etc.
General Standard Introduction:
1. General used seamless steel pipe ASTM A53 GR.B, Steel Grade:SA53 GR.B,
Size:
OD: 13.7-610 (1/4"-24").
SA53 GR.B ,TENSILE STRENGTH ≥ 415 (MPa)YLELD POINT ≥ 240 (MPa)
Main products: GRAD B
2.Standard: ASTM A 53, used under 350°C pressure pipe line and generally used pipe.
2. High pressure used boiler pipe ASTM A106 GR.B,
Steel Grade: SA106 GR.B,
OD: 13.7-610 (1/4"-24")
steel: GRAD B, standard: ASTM A106
TENSILE STRENGTH (MPa) ASTM A106
A106B ≥415 YLELD POINT≥240
CHEMICAL COMPOSITION(%)
C Si Mn P S Cr Mo Cu Ni V>
≤0.30 ≥0.10 0.29~1.06 ≤0.035 ≤0.035 ≤0.40 ≤0.15 ≤0.40 ≤0.40 ≤0.08
3. Petroleum Line Pipe API SPEC 5L, Steel Grade: Gr.B, X42, X46, X52
4. ASTM A106/A53/API 5L GR.B, Steel Grade: Gr. B, size: OD: 13.7-610 (1/4"-24").
5. Heat exchanger and condensator used low carbon steel pipe ASTM A179, SIZE: 3/4", 1"ASTM A179
6. -40℃-101℃ low temperature ASTM A333,
Steel Grade: GR.A, GR.1, GR.6, GR.7, GR.3, Low temperature concussion test can offer,
SIZE: OD: 13.7-610 (1/4"-24").*SCH20\30\STD\60\80\100\120\140\160\XXS
7. DIN2448/1629 seamless steel pipe, Steel Grade: St37,St44,St52,
size: OD: 13.7-610 (1/4"-24").
8. Refractory steel pipe DIN17175-1979,
Steel:St35.8-St45.8/I,St35.8-St45.8/III, Alloy Steel: 15Mo3,13CrMo44,10CrMo910,
Size: 1/4"-24"*SCH20, SCH30, SCH40--SCH160, SCHXXS;
OD: 13.7-610 (1/4"-24").
9. Structure used seamless steel pipe GB/T8162-1999,
Steel Grade: 10#, 20#, 35#, 45#, 16Mn (Q345);
size: OD: 13.7-610 (1/4"-24").
10. Liquid transport seamless steel pipe GB/T8163-1999,
Steel Grade: 10#, 20#, 16Mn (Q345);
Size: OD: 13.7-610 (1/4"-24").
11. Low or Medium pressure boiler pipe GB3087-1999, Steel Grade: 10#, 20#;
Size: OD: 13.7-610 (1/4"-24").
12. High pressure boiler pipe GB5310-1995,
Steel Grade: 20G, size: 6-610mm*1-60mm
13. DIN-2391 hydraulic pressure seamless steel pipe (Chinese standard GB3639-83), OD10-68MM,WT1-10MM.
14. According to customer request we process Cold drawn, hot rolled or hot expand steel pipe Size:13.7-914MM×4-50MM
Standard or not standard big size steel pipe.
15. According to customer request, we provide hot Galvanized ,cold Galvanised, hot dipped steel pipe, Standard: ASTM A106 GR.B/ASTM A53 GR.B/ API 5L GR.B.