牌号 HP345
对应标准 GB /T 6653-2017
焊接气瓶用钢板和钢带
Steel Plates and Strip for Welded Gas Cylinders
归类 碳钢
HP345 化学元素成分含量(%)
成分 C Si Mn P S Ti V Nb Al 更多
最小值 - - - - - - - - 0.015 Nb+V≤0.12
最大值 0.2 0.35 1.5 0.025 0.012 0.06 0.1 0.05 -
* 残余元素
HP345 机械性能
抗拉强度
σb
Mpa
屈服点
σs
Mpa
断后伸长率或延伸率
δ
%
510~620 ReL
≥345
≥17(t<3);≥21(t≥3)
• t-板厚/mm;
• 180°弯曲试验,弯曲压头直径D=2.0a,a-板材厚度
接近匹配牌号 压力容器钢板1
# 标准 牌号(等级/别名/符号) 化学成分,重量%,最大值,除非另有说明
C Si Mn P S Cr Ni Mo Cu Al Ti V
1 16MnR, L20163
0.20.2-0.551.2-1.60.0350.030.30.3-0.3---
2 16Mng, L20162
0.20.2-0.551.2-1.60.0350.030.30.30.10.3--0.01
3 19Mng, L20192
0.15-0.220.3-0.61-1.60.030.0250.30.30.10.3≤0.02-0.01
4 HP345
0.20.351.50.0250.012----≤0.0150.060.1
5 P355GH, 1.0473
0.1-0.220.61.1-1.70.0250.010.30.30.080.3≤0.020.030.02
6 P355NB, 1.0557
0.20.5≤0.70.0250.015----≤0.020.03-
7 JIS G 3124-2004 SEV245
0.20.15-0.60.8-1.60.030.03--0.350.4--0.1
8 22Mng, U42223
0.30.15-0.40.9-1.50.0250.0250.30.30.10.3--0.01
9 ASTM A414/A414M-2024 A414 Grade G
0.310.31.350.0350.0350.30.40.120.40.02-0.080.0250.03
10 SA738M Grade A
0.240.15-0.51.60.0250.0250.250.50.080.35--0.07
11 ASTM A738/A738M-2019 A738 Grade A
0.240.15-0.51.60.0250.0250.250.50.080.35--0.07
12 JIS G 3115-2016 SPV355
0.20.551.60.020.02-------
13 15MnVR, L22153
0.180.2-0.551.2-1.60.0350.030.30.3-0.3--0.04-0.12
14 HP365
0.20.351.50.0350.0350.30.30.30.2≤0.0150.20.12
15 JIS G 3116-2020 SG365
0.20.551.50.020.02-------
16 SA537 Class 3
0.240.15-0.51-1.60.0250.0250.250.250.080.35---
17 SA537 Class 2
0.240.15-0.51-1.60.0250.0250.250.250.080.35---
18 ASTM A537/A537M-2013(R2019) A537 Class 3
0.240.15-0.51-1.60.0250.0250.250.250.080.35---
19 ASTM A537/A537M-2013(R2019) A537 Class 2
0.240.15-0.51-1.60.0250.0250.250.250.080.35---
20 JIS G 3115-2016 SPV410
0.180.751.60.020.02-------
21 SA737 Grade C
0.240.1-0.551.07-1.620.0250.025------0.03-0.12
22 ASTM A737/A737M-2017(R2024) A737 Grade C
0.220.15-0.51.15-1.50.0250.025------0.04-0.11
23 SA738M Grade C
0.20.15-0.51.60.0250.0250.250.50.080.35--0.05
24 ASTM A738/A738M-2019 A738 Grade C
0.20.15-0.51.60.0250.0250.250.50.080.35--0.05
注:数据仅供参考!如有疑问,请填写"我要纠错"!
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