China A519 1010 Cold Drwan Seamless Carbon Steel Mechanical Pipe Manufacturer,, Find details about China 1010 Carbon Steel Pipe, Seamless Steel Pipe from A519 1010 Cold Drwan Seamless Carbon Steel Mechanical Pipe Manufacturer,
cold finished seamless steel tube for Mechanical and Automobile | |||
MATERIAL | Standards | TDR Standards | Steel Grades |
DIN | 1629 | ST 37 / 44 / 52 | |
1630 | ST 37.4 / 44.4 / 52.4 | ||
179367 | ST 35 / 45 / 52 | ||
GB/T | 8162 | 10#, 20#, 16Mn | |
8163 | |||
3639 | |||
EN | 10305-1 | E215/235/355/255 | |
10305-4 | E215/235/355/255 | ||
JIS | G3445 | STKM11, STKM12, STKM13,STKM20 | |
ASTM | A822-A450 | A822 | |
ISO | 8535 | ST 35 / 45 / 52 | |
ASTM | A519 | 1010/1020/1045 | |
ASTM | A179-A450 | A179 | |
BS | BS 3602 | CFS 360 | |
BS | BS 6323 | CFS3,CFS4 |
TOLERANCE TABLE OF STEEL TUBE | |||||
NAME | SCOPE MM | GB SERIES | DIN SERIES | ENTERPRISE INTERNAL CONTROL STANDARD mm | SPECIAL HIGH PRECISION mm |
OD | 4-30 | ±0.10 | ±0.08 | ±0.05 | ±0.03 |
31-40 | ±0.15 | ±0.15 | ±0.05 | ±0.03 | |
41-50 | ±0.20 | ±0.20 | ±0.05 | ±0.03 | |
51-60 | ±0.25 | ±0.25 | ±0.05 | ±0.03 | |
W.T. | 0.5-7 | ±0.1,min±0.12 | ±0.1 | ±0.1,min±0.05 | ±0.1,min0.03 |
Chemical and Mechanical performance:
Table 1- Chemical composition | ||||||
Steel Grade | C% | Si% | Mn% | P% | S% | AL% |
St30Al or E215 | ≤0.10 | ≤0.05 | ≤0.7 | ≤0.025 | ≤0.025 | ≥0.025 |
St35 or E235 | ≤0.17 | ≤0.35 | 0.4-1.2 | ≤0.025 | ≤0.025 | |
St45 or E255 | ≤0.21 | ≤0.35 | 0.4-1.1 | ≤0.025 | ≤0.025 | |
St52 or E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.025 | ≤0.025 |
Table 2 - Mechanical properties at room temperature | |||||||||
Delivery condition | BK | BKW | GBK | NBK (N) | |||||
steel Grade | Rm Mpa (Min) | A % (Min) | Rm Mpa (Min) | A % (Min) | Rm Mpa (Min) | A % (Min) | Rm Mpa (Min) | ReH Mpa (Min) | A % (Min) |
St30Al or E215 | 430 | 8 | 380 | 12 | 280 | 30 | 290 to 430 | 215 | 30 |
St35 or E235 | 480 | 6 | 420 | 10 | 315 | 25 | 340 to 480 | 235 | 25 |
St45 or E255 | 580 | 5 | 520 | 8 | 390 | 21 | 440 to 570 | 255 | 21 |
St52 or E355 | 640 | 4 | 580 | 7 | 450 | 22 | 490 to 630 |
GUANGZHOU KINGMETAL STEEL INDUSTRY CO., LTD. is an Industry Group Company. It is a professional company in designing, producing and selling steel pipe, pipe fittings, flanges, valves . We have our own big factories with modern machine line to make high quality products, which is mainly to be exported to oversea markets.
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