لوله های فولادی کربنی و آلیاژی بدون درز
American Society for Testing and Materials (ASTM), American Society of Mechanical Engineers (ASME)
Product name |
Executive standard |
Dimension (mm) |
Steel code/ Steel grade |
Black and Hot-dipped Zinc-coated Steel Pipes Seamless |
0.3-1200 x 1.0-150 |
GR.A, GR.B, GR.C |
|
Seamless Carbon Steel for High Temperature Service |
10.3-1200 x 1.0-150 |
GR.B, GR.C |
|
Seamless Cold-drawn Low-Carbon Steel Heat-Exchanger and Condenser Tubes |
10.3-426 x 1.0-36 |
Low Carbon Steel |
|
Seamless Carbon Steel Boiler Tubes for High Pressure |
10.3-426 x 1.0-36 |
Low Carbon Steel |
|
Seamless Cold-drawn Intermediate Alloy Steel Heat-exchanger and Condenser Tubes |
10.3-426 x 1.0-36 |
T5, T22 |
|
Seamless Medium-carbon Steel Boiler and Superheater Tubes |
10.3-426 x 1.0-36 |
A1, C |
|
Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-exchanger Tubes |
10.3-426 x 1.0-36 |
T5, T5b, T9 , T11, T22 ,T91 |
|
Seamless Carbon and Alloy Steel for Mechanical Tubing, seamless and welded carbon and alloy steel pipe intended for use at low temperatures |
1/4"-42" x SCH20-XXS |
Grade1 Gr. 3,Gr..6, Gr.8 , Gr. 9 |
|
Alloy steel forgings for pressure and high-temperature parts. |
ASTM A336 |
|
|
Seamless Cold-drawn Carbon Steel Feedwater Heater Tubes |
10.3-426 x 1.0-36 |
A2, B2 |
|
Round and shaped steel cold formed welded and seamless carbon steel structural pipe. |
OD :10.3-820 x 0.8- 75 |
Grade A, B, C, D |
|
Welded and seamless steel pipe for piling purposes. |
Sizes range from 6 to 20 NPS, with plain or beveled ends. |
A252 Grade 1, 2 & 3 |
|
For seamless ferritic alloy-steel pipe for high-temperature service |
1/4"-42" x SCH20-XXS |
A/SA 335 P1, P2, P11, P12, P15, P22, P91, P92, P122 |
|
Black and hot-dipped zinc-coated steel pipes welded and seamless |
ASTM A53 |
|
GR.B |
Seamless carbon for mechanical tubing |
ASTM SA519 |
|
4140/4130 |
DIN/EN Germany Safety(GS), Deutsches Institut für Normung(DIN)
Product name |
Executive standard |
Dimension (mm) |
Steel code/ Steel grade |
Seamless Steel Tubes for Elevated Temperature |
|
10-762 x 1.0-120 |
St35.8,St45.8, 10CrMo910, 15Mo3, 13CrMo44, STPL340, STB410, STB510, WB36 |
Seamless Circular Tubes of Non Alloys Steels with Special Quality Requirements. |
13.5-762 x 1.8-120 |
St37.0, St44.0, St52.0 |
|
Seamless steel tubes for pressure purposes |
4.0-60.0 x 0.5-8 |
P235GH TC1, P235GH TC2, 16Mo3 |
|
hydraulic and pneumatic power system, low-voltage circuit, power steering, fuel circuit, vibration reduction, and such. |
13.5-165.1 x 1.8-4.85 |
St33.2 |
|
specifies the Seamless steel tubes used for Mechanical and Automobile.Cold drawn seamless prevision pipe |
4.0-60.0 x 0.5-8 |
St35, St45, St52 |
|
Seamless Steel Tubes |
DIN 2440 |
13.5-165.1 x 1.8-4.85 |
St33.2
|
Chemical components & mechanical properties
Standard |
Grade |
Chemical Components (%) |
Mechanical Properties |
|||||
|
C |
Si |
Mn |
P |
S |
Tensile Strength(Mpa) |
Yield Strength(Mpa) |
|
A |
≤0.25 |
- |
≤0.95 |
≤0.05 |
≤0.06 |
≥330 |
≥205 |
|
B |
≤0.30 |
- |
≤1.2 |
≤0.05 |
≤0.06 |
≥415 |
≥240 |
|
ASTM A106 |
A |
≤0.30 |
≥0.10 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≥415 |
≥240 |
B |
≤0.35 |
≥0.10 |
0.29-1.06 |
≤0.035 |
≤0.035 |
≥485 |
≥275 |
|
ASTM SA179 |
A179 |
0.06-0.18 |
- |
0.27-0.63 |
≤0.035 |
≤0.035 |
≥325 |
≥180 |
ASTM SA192 |
A192 |
0.06-0.18 |
≤0.25 |
0.27-0.63 |
≤0.035 |
≤0.035 |
≥325 |
≥180 |