China 1020 1045 Q235B Ss400 ASTM A36 Seamless Carbon Steel Pipe, Find details about China ERW Steel Pipe, Seamless Steel Pipe from 1020 1045 Q235B Ss400 ASTM A36 Seamless Carbon Steel Pipe
Product Name | Carbon seamless steel pipe | |
Size | ERW OD | 1/2 Inch -26 inch |
SSAW OD | 219mm-2540mm | |
LSAW OD | 457.2mm-1422.2mm | |
Seamless OD | 21.3MM-710MM | |
ERW Thickness | 1mm-18mm | |
SSAW Thickness | 5.4mm-25.4mm | |
LSAW Thickness | 7.92mm-50.8mm | |
Seamless Thickness | 3-45mm | |
Lengths | 3-20M | |
Steel Material | GR. B X42 X46 X52 X56 X60 X65 X70 X80, etc | |
Standard | API 5L PLS 1 & PLS 2, A53,A106,A333,A671,A179,A192,A210,EN10217,EN10219,EN10224,JIS G3444 ETC | |
Usage | Oil Pipe, Casing Tube, Line Pipe and Fluid (Water, Gas) Transmission, Boiler Pipe | |
Surface | Bared Black Painting, Anti-Corrosion Coating,Galvanized etc | |
Proctor | Plastic cap | |
Package | Bundles, Bulk,sea worthy wooden case packing or pr your requirement | |
Inspection | With Hydraulic Testing, Ultrasonic testing or X-ray Test | |
Certificate | API and ISO9001; 2000 | |
Date of Delivery | Less Than 15/20/25/30/40/50/60 Days According To The Quantity | |
Payment: | L/C or T/T | |
Port of Shipment | Tianjin, China |
Steel Grade | C(%) | Si(%) | Mn(%) | P(%) | S(%) |
STB 340 | ≤0.18 | ≤0.35 | 0.30~0.60 | ≤0.035 | ≤0.035 |
STB 410 | ≤0.32 | ≤0.35 | 0.30~0.80 | ≤0.035 | ≤0.035 |
STB 510 | ≤0.25 | ≤0.35 | 1.00~1.50 | ≤0.035 | ≤0.035 |
Steel Grade | Tensile Strength(N/mm²) | Yield Strength(N/mm²) | Elongation(%) | ||
OD≥20mm | OD<20~≥10mm | OD<10mm | |||
STB 340 | ≥340 | ≥175 | ≥35 | ≥30 | ≥27 |
STB 410 | ≥410 | ≥255 | ≥25 | ≥20 | ≥17 |
STB 510 | ≥510 | ≥295 | ≥25 | ≥20 | ≥17 |
DESIGNATION | SYMBOL | DESCRIPTION |
Cold drawn(rolled)-Hard | +C/BK | No heat treatment after the final colddrawing. |
Cold drawn(rolled)-Soft | +LC/BKW | After the final heat treatment,there is a suitable drawing pass. |
Stress relieved after cold draw(rolled) | +SR/BKS | After the final cold drawing,there is a stress relief heat treatment in a controlled atmosphere. |
Annealed | +A/GBK | After the final cold drawing,the tubes are annealed in a controlled atmosphere. |
Normalized | +N/NBK | After the final cold drawing,in a controlled atmosphere |
Steel Grade
Steel grade |
Chemical composition |
Mechanical properties | ||||||
C% | Si% | Mn% | P% | S% | Tensile strength (Mpa) | Yield strength (Mpa) | Elongation | |
SPCC/SPHC | ≤0.12 | ≤0.025 | ≤0.50 | ≤0.035 | ≤0.025 | ≥270 | -- | ≥38 |
ST12(DC01) | ≤0.10 | -- | ≤0.50 | ≤0.035 | ≤0.025 | ≥270 | 130-260 | ≥34 |
ST37-2G/2 | ≤0.17 | -- | ≤1.00 | ≤0.035 | ≤0.030 | 360-510 | ≥215 | ≥20 |
B340/590DP | ≤0.18 | ≤0.80 | ≤2.20 | ≤0.035 | ≤0.030 | ≥590 | 340-500 | ≥20 |
B400/780DP | ≤0.20 | ≤0.80 | ≤2.50 | ≤0.035 | ≤0.030 | ≥780 | 400-590 | ≥16 |
B340LA | ≤0.12 | -- | ≤1.00 | ≤0.030 | ≤0.030 | ≥440 | 240-460 | ≥26 |
SS400 | ≤0.21 | ≤0.30 | ≤1.40 | ≤0.035 | ≤0.035 | 400-510 | ≥245 | ≥21 |
Q195 | ≤0.12 | ≤0.30 | ≤0.50 | ≤0.035 | ≤0.040 | 315-430 | ≥195 | ≥33 |
Q235B | 0.17-0.22 | ≤0.50 | ≤1.40 | ≤0.045 | ≤0.045 | 370-500 | ≥235 | ≥26 |
Q345B | ≤0.20 | ≤0.30 | ≤1.70 | ≤0.035 | ≤0.035 | 470-630 | ≥345 | ≥20 |
SAPH370 | ≤0.21 | ≤0.30 | ≤0.75 | ≤0.035 | ≤0.035 | ≥370 | ≥225 | ≥37 |
SAPH400 | ≤0.21 | ≤0.30 | ≤1.20 | ≤0.030 | ≤0.025 | ≥400 | ≥255 | ≥36 |
SAPH440 | ≤0.21 | ≤0.20 | ≤0.15 | ≤0.030 | ≤0.025 | ≥440 | ≥305 | ≥34 |
Qste420TM | ≤0.12 | ≤0.50 | ≤1.50 | ≤0.030 | ≤0.025 | 480-620 | ≥420 | ≥21 |
Qste460TM | ≤0.12 | ≤0.50 | ≤1.60 | ≤0.030 | ≤0.025 | 520-670 | ≥460 | ≥19 |
BR1500HS/22MnB5 | 0.20-0.25 | 0.15-0.35 | 1.1-1.4 | ≤0.025 | ≤0.01 | 600-750 | ≥420 | ≥22 |