牌号 SA537 Class 2
對應标準 ASME SA-537/SA-537M-2023
壓力容器用熱處理碳-錳-矽鋼闆
Pressure Vessel Plates, Heat-Treated, Carbon-Manganese- Silicon Steel
歸類 合金鋼
标簽 壓力容器鋼闆
SA537 Class 2 化學元素成分含量(%)
  成分 C Si Mn * P S Cr Ni * Cu Mo
厚度≤1-1/2in.(40mm) 最小值 - 0.15 0.7 - - - - - -
最大值 0.24 0.5 1.35 0.025 0.025 0.25 0.25 0.35 0.08
  成分 C Si Mn P S Cr Ni * Cu Mo
厚度>1-1/2in.(40mm) 最小值 - 0.15 1 - - - - - -
最大值 0.24 0.5 1.6 0.025 0.025 0.25 0.25 0.35 0.08
* 錳允許超過1.35%,最高到1.65%;鎳允許超過0.25%,最高到0.5%,基于計算公式CE=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15,碳當量CE≤0.57%.
SA537 Class 2 機械性能
厚度
t
mm
熱處理或狀态
抗拉強度
σb
Mpa
屈服點
σs
Mpa
斷後伸長率或延伸率
δ
%
t≤65 淬火+回火 550~690 ≥415 ≥22
65<t≤100 淬火+回火 515~655 ≥380 ≥22
t>100 淬火+回火 485~620 ≥315 ≥20
接近匹配牌号 壓力容器鋼闆1
# 标準 牌号(等級/别名/符号) 化學成分,重量%,最大值,除非另有說明
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
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