Foreign valve materials commonly used technical standards

[Asia Valve Network News] foreign valve materials commonly used technical standards and high temperature and high pressure bolts carbon steel and alloy steel nuts, chemical requirements. Foreign valve materials commonly used technical standards Grade Material UNS No. C% Mn% P% SE% Si% Cr% Ni% Mo% Ti% Nb + Ta% N% Other elements% 1 C ≥ 0.15 1.00 0.040 0.050 0.40 ... ... ... ... ... ... 2,2HM, 2H C ≥0.40 1.00 0.040 0.050 0.40 ... ... ... ... ... 4 C, Mo 0.40 ~ 0.50 0.70 ~ 0.90 0.035 0.040 0.15 ~ 0.35 ... 0.20 ~ 0.30 ... ... ... ... 3 Type 501 ≥0.10 1.00 0.040 0.030 1.00 4.0 to 6.0 ... 0.40 to 0.65 ... ... ... ... ... ... ... ... ... ... ... ... ... 6 ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... TYPE 410 S41000 0.15 1.00 0.040 0.030 1.00 11.5 ~ 13.5 ... ... ... ... ... ... ... ... 6F type 416 S41600 0.15 1.25 0.060 ≥0.15 1.00 12.0 ... 14.0 ... ... ... ... 6F Type 416Se S41623 0.15 1.25 0.060 0.060 1.00 12.0 ... 14.0 ... ... ... ... ... ... 7,7M Type 4140/4142/4145, 4140H, 4142H, 4145H 0.37 to 0.49 0.65 to 1.10 0.035 0.040 0.15 to 0.35 0.75 to 1.20 ... 0.15~0.25 ... ... ... 8,8A Type 304 S30400 0.08 2.00 0.045 0.030 1.00 18.0~20.0 8.0~11.0 ... ... ... ... ... ... 8C, 8CA Type 347 S34700 0.08 2.00 0.045 0.030 1.00 17.0 19.0 9.0~12.0 ... ≥10 × C% ... 8M, 8MA Type 316 S31600 0.08 2.00 0.045 0.030 1.00 16.0~18.0 10.0~14.0 2.00~3.00 ... ... ... ... ... 8T, 8TA Type 321 S32100 0.08 2.00 0.045 0.030 1.00 17.0 ~ 19.0 9.0~12.0 ... 5 × [C + N] ~ 0.70 ... 0.10 ... 8F, 8FA Type 303 S30300 0.15 2.00 0.20 ≥ 0.15 1.00 17.0~19.0 8.0~10.0 ... ... ... 8F, 8FA Type 303Se S30323 0.15 2.00 0.20 0.06 1.00 17.0 ~ 19.0 8.0 ~ 10.0 ... ... ... Se≥0.15 8P, 8PA Type 305 Limited C Quantity S30500 0.08 2.00 0.045 0.030 1.00 17.0 ~ 19.0 11.0 ~ 13.0 ... ... ... ... 8N, 8NA Type 304N S30451 0.08 2.00 0.045 0.030 1.00 18.0 to 20.0 8.0 to 11.0 ... 0.10 to 0.16 8LN, 8LNA Type 304LN S30453 0.030 2.00 0.045 0.030 1.00 18.0 to 20.0 8.0 to 11.0 ... ... 0.10 to 0.16 8MN, 8MNA Type 316N S31651 0.08 2.00 0.045 0.030 1.00 16.0 to 18.0 10.0 ~ 13.0 2.00 ~ 3.00 ... ... 0.10 ~ 0.16 8MLN, 8MLNA type 316LN S31653 0.030 2.00 0.045 0.030 1.00 16.0 ~ 18.0 10.0 ~ 13.0 2.00 ~ 3.00 0.10 0.16 8R, 8RAF XM19 S20910 0.06 4.0 to 6.0 0.045 0.030 1.00 20.5 to 23.5 11.5 to 13.5 1.50 to 3.00 ... 0.10 to 0.30 0.20 to 0.40 V 0.10 to 0.30 8S, 8SA S21800 0.10 7.0 to 9.0 0.060 0.030 3.5 to 4.5 16.0 to 18.0 8.0 ~ 9.0 ... ... 0.08 ~ 0.18 8MLCuN, 8MLCuNA S31254 S31254 0.020 1.00 0.030 0.010 0.80 19.5 ~ 20.5 17.5 ~ 18.5 6.0 ~ 6.5 0.18 ~ 0.22 Cu 0.50 ~ 1.00 9C, 9CA N08367 N08367 0.030 2.00 0.040 0.030 1.00 20.0 ~ 22.0 23.5 ~ 25.5 6.0 ~ 7.0 0.18 ~ 0.25 Cu 0.75 16 Cr-Mo-V 0.36-0.47 0.45-0.70 0.035 0.040 0.15 ~ 0.35 0.80 ~ 1.15 ... 0.50 ~ 0.65 ... V 0.25 ~ 0.35 AlB 0.015 (Editor: Yunhai QQ:) Recommended reading: Acting procurement valves national standards Daquan

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