常用材质化学成分
10# 0.07~0.13 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035
20# 0.17~0.23 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035
35# 0.32~0.39 0.17~0.37 0.35~0.65 ≤0.035 ≤0.035
45# 0.42~0.50 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035
40cr 0.37~0.44 0.17~0.37 0.50~0.80 ≤0.035 ≤0.035 0.08~1.10
25mn 0.22~0.2 0.17~0.37 0.70~1.00 ≤0.035 ≤0.035 ≤0.25
37mn5 0.30~0.39 0.15~0.30 1.20~1.50 ≤0.015 ≤0.020
标准，材质，交货状态
主要标准：gb/t3639，din2391-94/c，din2445，en10305，din1630，din1629，astm a106，astm a179，jis g3445
主要材质：10#，20#，35,45,40cr,25mn.37mn5,st35(e235),st37.4,st45(e255),st52(e355)
主要交货状态：nbk(+n)，gbk(+a)，bk(+c)，bkw(+lc)，bks(+sr
12×1
89×4.5-8-10-12-14-16-18-20
245×25-28-30-34-40
14×1.5-2.5-3
95×4.5-6-8-10-12-14-16-20
273×7-9-12-15-18-20-25
16×1.5-2.5-4
102×4.5-5-6-7-8-10-12-14-16-20
273×30-35-38-40-45-50
18×2.3-4-5
108×4.5-5-6-7-8-10-12-14-18-20-22
299×8-12-16-20-24-28
20×2.5-3-5
114×4.5-5-6-7-8-10-12-14-18-20
299×30-32-36-38-40-45
24×2.5-3-4-5-6
121×4.5-5-6-7-8-10-12-14-16-20
325×8-12-14-18-38-42
25×2.5-3-4-5-6
127×4.5-5-6-7-8-10-12-14-16-20
325×28-32-34-38-42
28×3-3.5-4-5-6
133×4.5-6-8-12-14-16-18-20-25-30
351×10-16-20-25-40
32×3.5-4-5-6-8
140×5-6-7-8-9-10-12-14-16-20-22
355×6-18-20-25-30-40/52
34×4-5-6-8
146×4.5-6-8-12-14-16-18-20-25-30
377×8-12-15-20-24-28
36×3.5-5-6-8
152×4.5-6-8-12-14-16-18-20-25-30
377×30-37-40-45-50
38×4-5-6-7-8-9-10
159×4.5-6-10-12-14
402×10-15-20-25-30-35
39×3.5-5-8-10
159×16-18-20-22-25-30
406×10-20-25-28-35-40
42×3.5-4-5-6-7-8-9-10
168×8-10-12-14-20-25-30-35
426×10-12-14-16-20-25-30-35-40
45×3.5-4-5-6-7-8-9
180×8-12-16-25-30
450×10-12-14-16-20-25-34-40-50
48×3.5-4-5-6-7-8-9-10
180×32-34-38-40-45-50
480×10-12-14-16-18-20-25-30-40
51×3.5-4-5-6-7-8-9-10
194×6-8-12-16-20-25-30-40-45-50
500×10-12-14-16-20-25-34-40-50
56×3.5-4-5-6-7-8-9-10
203×6-7-10-15-20-25-30
510×10-12-14-16-20-25-34-40-50
57×3.5-5-6-7-8-9-10-12
203×32-36-40-45-50
530×10-12-14-16-18-20-30-40
60×3.5-4.5-5-6-7-8-9-12-14
219×6-8-12-16-18-20-25
560×10-14-16-20-25-30-40-50-60
63×3.5-4.5-5-6-7-8-9-10-12-14
219×30-40-45-50-55
580×10-14-16-20-30-40-50-70
68×4-4.5-5-6-7-8-9-10-12-14-16
219×55-58-60-65-70
600×10-14-18-25-20-30-50-60
70×4-4.5-5-6-7-8-9-10-12-15-16
245×8-10-14-17-20-22
610×10-14-18-25-20-30-50-60
73×4-4.5-5-6-7-8-9-10-12-15
245×25-28-30-34-40
620×14-20-30-35-45-50-60
76×4-4.5-5-6-7-8-9-10-12-14
273×7-9-12-15-18-20-25
630×10-20-30-40-55-75
83×4.5-5-10-12-14-16-18-20