化肥设备用无缝管 | ||
规格 |
规格 |
规格 |
25×6 |
83×10-12-14-16-18-20 |
203×32-36-40 |
28×6 |
89×8-10-12-14-16-18-20 |
219×6-8-12-16-18-20-25 |
32×6-8 |
95×6-8-10-12-14-16-20 |
219×30-40 |
34×6-8 |
102×6-7-8-10-12-14-16-20 |
245×8-10-14-17-20-22 |
36×6-8 |
108×6-7-8-10-12-14-18-20-22 |
245×25-28-30-34-40 |
38×6-7-8-9-10 |
114×6-7-8-10-12-14-18-20 |
273×7-9-12-15-18-20-25 |
39×8-10 |
121×6-7-8-10-12-14-16-20 |
273×30-35-38-40 |
42×6-7-8-9-10 |
127×-6-7-8-10-12-14-16-20 |
299×8-12-16-20-24-28 |
45×6-7-8-9 |
133×6-8-12-14-16-18-20-25-30 |
299×30-32-36-38-40 |
48×6-7-8-9-10 |
140×6-7-8-9-10-12-14-16-20-22 |
325×8-12-14-18-38 |
51×6-7-8-9-10 |
146×6-8-12-14-16-18-20-25-30 |
325×28-32-34-38 |
56×6-7-8-9-10 |
152×6-8-12-14-16-18-20-25-30 |
351×10-16-20-25-40 |
57×6-7-8-9-10-12 |
159×6-10-12-14 |
355×6-18-20-25-30-40 |
60×6-7-8-9-12-14 |
159×16-18-20-22-25-30 |
377×8-12-15-20-24-28 |
63×6-7-8-9-10-12-14 |
168×8-10-12-14-20-25-30-35 |
377×30-37-40 |
68×6-7-8-9-10-12-14-16 |
180×8-12-16-25-30 |
402×10-15-20-25-30-35 |
70×6-7-8-9-10-12-15-16 |
180×32-34-38-40 |
406×10-20-25-28-35-40 |
73×6-7-8-9-10-12-15 |
194×6-8-12-16-20-25-30-40 |
426×10-12-14-16-20-25-30-35-40 |
76×6-7-8-9-10-12-14 |
203×6-7-10-15-20-25-30 |
|
标准 |
牌号 |
抗拉强度(MPa) |
屈服强度(MPa) |
伸长率(%) |
冲击功Akv(J) |
Q/BQB 250 |
37Mn |
≥750 |
≥630 |
≥16 |
≥55 |
Q/BQB 250 |
34CrMo4 |
≥980 |
≥835 |
≥12 |
≥63 |
标准 |
牌号 |
化学成分(%) | |||||||||
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
Mo |
V | ||
Q/BQB 250 |
37Mn |
0.34-0.40 |
0.10-0.30 |
1.35-1.65 |
≤0.025 |
≤0.020 |
— |
≤0.30 |
≤0.20 |
— |
— |
Q/BQB 250 |
34CrMo4 |
0.30-0.37 |
0.15-0.35 |
0.50-0.80 |
≤0.025 |
≤0.020 |
0.90-1.20 |
≤0.30 |
≤0.20 |
0.15-0.25 |
— |
标准 |
牌号 |
热处理制度 | ||||
种类 |
淬火(正火)温度℃ |
冷却方式 |
回火温度℃ |
冷却方式 | ||
Q/BQB 250 |
37Mn |
调质 |
840±10 |
油冷 |
600±10 |
空冷 |
Q/BQB 250 |
34CrMo4 |
调质 |
850±10 |
油冷 |
580±10 |
油冷 |
生产标准 |
GB/T14976-2002 ASTMA312/A312M |
GB/T14975-2002 JIS G3463 |
GB13296-91 DIN2462 |
生产规格材质
304(0Cr18Ni9) 304L (00Cr19Ni10) 321 (1Cr18Ni10Ti) 316 (0Cr17Ni12Mo2) 316L (00Cr17Ni14Mo2) 310S (0Cr25Ni20) 309S (0Cr23Ni13) |
6×1-2 |
32×3-10 |
114×5-20 |
8×1-2 |
34×3-10 |
133×5-20 | |
10×1-3 |
45×3-12 |
159×5-25 | |
12×1-3 |
45×3-12 |
168×5-25 | |
14×2-4 |
48×3-12 |
219×5-30 | |
16×2-4 |
51×3-12 |
273×6-30 | |
18×2-4 |
57×3-15 |
325×8-30 | |
20×2-5 |
60×3-15 |
325×8-30 | |
22×2-6 |
64×3-15 |
377×8-30 | |
25×2-6 |
76×3-18 |
426×10-30 | |
27×3-6 |
89×4-20 |
480×12-30 | |
28×3-6 |
108×4-25 |
530×12-30 |