PDF《隆兴铸业常规材料标准》

REV Date: 2008-12-31 C Si Mn P ≤ S ≤ Cr Ni Mo Cu≤ V B CE Tensil Strength Mpa Yield strength Mpa Elongate rate % Reduction of area % Impact test J GB Q195 0.

06-0.12 ≤0.30 0.25-0.5 0.045 0.05 ≤0.30 ≤0.30 0.30 315-390

195 33 N GB Q215A 0.09-0.15 ≤0.30 0.25-0.5 0.045 0.05 ≤0.30 ≤0.30 0.30 GB Q215B 0.09-0.15 ≤0.30 0.25-0.55 0.045 0.045 ≤0.30 ≤0.30 0.30 GB Q235A 0.14-0.22 ≤0.30 0.30-0.65 0.045 0.05 ≤0.30 ≤0.30 0.30 GB Q235B 0.12-0.20 ≤0.30 0.30-0.70 0.045 0.045 ≤0.30 ≤0.30 0.30 GB Q235C ≤0.18 ≤0.30 0.35-0.80 0.040 0.040 ≤0.30 ≤0.30 0.30 GB Q235D ≤0.17 ≤0.30 0.35-0.80 0.035 0.035 ≤0.30 ≤0.30 0.30 GB Q255A 0.18-0.28 ≤0.30 0.40-0.70 0.045 0.050 ≤0.30 ≤0.30 0.30 GB Q255B 0.18-0.28 ≤0.30 0.40-0.70 0.045 0.045 ≤0.30 ≤0.30 0.30 GB Q275 0.28-0.38 ≤0.35 0.50-0.80 0.045 0.050 ≤0.30 ≤0.30 0.30 490-610

275 20 N GB 08F 0.05-0.11 ≤0.03 0.25-0.50 0.035 0.035 ≤0.10 ≤0.25 0.25

295 175

35 60

131 N GB 10F 0.07-0.14 ≤0.07 0.25-0.50 0.035 0.035 ≤0.15 ≤0.25 0.25

315 185

33 55

137 N GB 15F 0.12-0.19 ≤0.07 0.25-0.50 0.035 0.035 ≤0.25 ≤0.25 0.25

355 205

29 55

143 N GB

08 0.05-0.12 0.17-0.37 0.35-0.65 0.035 0.035 ≤0.10 ≤0.25 0.25

325 195

33 60

131 N GB 08AL 0.05-0.12 ≤0.03 0.25-0.65 0.035 0.035 ≤0.10 ≤0.25 0.25 N GB

10 0.07-0.14 0.17-0.37 0.35-0.65 0.035 0.035 ≤0.15 ≤0.25 0.25

335 205

31 55

137 N GB

15 0.12-0.19 0.17-0.37 0.35-0.65 0.035 0.035 ≤0.25 ≤0.25 0.25

375 225

27 55

143 N GB

20 0.17-0.24 0.17-0.37 0.35-0.65 0.035 0.035 ≤0.25 ≤0.25 0.25

410 245

25 55

156 N GB

25 0.22-0.30 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

450 275

23 50

71 170 N GB

30 0.27-0.35 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

490 295

21 50

63 179 N GB

35 0.32-0.40 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

530 315

20 45

55 197 N GB

40 0.37-0.45 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

570 335

19 45

47 217 N GB

45 0.42-0.50 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

600 355

16 40

39 229 N GB

50 0.47-0.55 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

630 375

14 40

31 241 N GB

55 0.52-0.60 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

645 380

13 35

255 N GB

60 0.57-0.65 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

675 400

12 35

255 N GB

65 0.62-0.70 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

695 410

10 30

255 N GB

70 0.67-0.75 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

715 420

9 30

269 N CHEMICAL COMPOSITION % 隆兴铸业常规材料标准 各国结构用钢 2.1.1 碳素结构钢和优质碳素结构钢 (1)GB标准碳素结构钢(GB700-88) (2)GB标准优质碳素钢 (GB699-88) MECHANICAL PROPERTIES ≥ Hardness HB

235 26 N

24 215

31 N

255 335-410 410-510 375-406 N Standard Material Heat treatment N=Normalizing Q+T=Quench+Temper General Material Specification Of LONGXING C Si Mn P ≤ S ≤ Cr Ni Mo Cu≤ V B CE Tensil Strength Mpa Yield strength Mpa Elongate rate % Reduction of area % Impact test J CHEMICAL COMPOSITION % MECHANICAL PROPERTIES ≥ Hardness HB Standard Material Heat treatment GB

75 0.72-0.80 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

1080 880

7 30

285 N GB

80 0.77-0.90 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

1080 930

6 30

285 N GB

85 0.82-0.90 0.17-0.37 0.50-0.80 0.035 0.035 ≤0.25 ≤0.25 0.25

1130 980

6 30