不锈钢螺纹压力变送器（SS1774-04弹簧钢）

题目：

SS1774-04弹簧钢是哪国牌号,成分是什么,与国标GB/T1222弹簧钢对应吗与国标GB/T1222-65弹簧钢对应吗

解答：

SS1774-04弹簧钢是德国标准,成分 C：0.70 % Si:0.25% Mn：0.75% P:

日本弹簧钢：SUP6 SUP7 SUP9 SUP9A SUP10 SUP11A SUP12 SUP13 SUJ2 SUJ3 SUJ4 SUJ5 SUP10-CSP SK55-CSP SK85-CSP S70C-CSP S65C-CSP S60C-CSP S55C-CSP S50C-CSP

韩国弹簧钢：SPS1 SPS3 SPS4 SPS5 SPS5A SPS6 SPS7 SPS8 SPS9 STB1 STB2 STB3 STB4 STB5 SH590P SH590S瑞典弹簧钢：1770 1774 1778 1912 1914 1922 1926 1940 1957 1973英国弹簧钢：38Si7 45SiCrV6-2 46Si7 46SiCrMo6 50SiCrMo6 51CrV4 52CrMoV4 52SiCrNi5 54SiCr6 54SiCrV6 55Cr3 56Si7 56SiCr7 60Cr3 60CrMo3-1 60CrMo3-2 60CrMo3-3 60SiCrV7 61SiCr7 251A85 251A60 251H60 525A58 525A60 525H60 525A61 658A57 658A57 704A60 705A60 705H60 735A51 735H51 735A54 805H60 925A60 251A85 251A60 251H60 525A58 N525A60 535A99 805A20 832H13德国弹簧钢：C67S CK67 C75S CK75 C85S CK85 C100S CK101 38Si6 38Si7 46Si7 51Si7 56Si7 55Si7 1.1231 1.1248 1.1269 1.1274 1.5022 1.5023 1.5024 1.5025 1.5023 1.5028 1.5029 15142 1.5225 1.7102 1.7103 1.7106 1.7018国际标准弹簧钢：38Si7 46Si7 51CrV4 52CrMoV4 55Cr3 55SiCr6-3 55SiCrV6-3 56SiCr7 60Cr3 60CrMo3-3 60Si8美国弹簧钢：ASTMA228 ASTMA227 ASTMA679 ASTMA229 ASTMA231 ASTMA232 ASTMA878 ASTMA401 AISI302 ASTMA313 AISI316 ASTMA313 AISI631 A-286 Inconel718 InoconelX-750 AMS5698 AMS5699 AISI1050 ASTMA682 AISI1074国弹簧钢:65 70 75 80 85 65Mn 55Si2Mn 55Si2MnB 55SiMnVB 60Si2Mn 60Si2MnA 60Si2CrVA 60CrMnA 50CrMn 55CrMnA 50CrVA 60CrMnBA 60CrMnMoA 30W4Cr2VA 100CrMn6 100CM6 100CrMn7 100CrMnMo8 100CrMo7-2 100CD7 100CrMo7-3 100CrMo8-3C48E3 C54E4 C55E3 C70E3 X12MoCrNi4-4-3 X46Cr13 X75WCrV18-4-1 X82WMoCrV6-5-4 Z85WDCV6 X89CrMoV18-1 X105CrMo17 Z100CD17