无缝钢管执行标准及化学成分汇编(2)

时间：2025-04-26

St 52

≤0.22

≤1.60

≤0.55

≤0.05

≤0.025

Nb+Ti+V≤0.05%

≤ 0.03 (Nb≤0.03)

D≤150 S≤9

√

/ ≥490 ≥245 ≥175 ≥255 ≥295 ≥195 ≥235 ≥205 ≥245 ≥305 ≥335 ≥325 ≥205 ≥245 ≥295 ≥345 ≥195 ≥22

/> 5000~7000 +10 -0 +0.7 -0 +10 -0

退火正火正火正火退火

STB 35 JIS G 3461 STB 42 STB 52 EN10255 S195T

≤0.18 ≤0.32 ≤0.25 ≤0.20 ≤0.16 0.07~0.1 3 0.17~0.2 3 0.32~0.3 9 0.42~0.5 0 ≤0.20

0.30~0.60 0.30~0.60 1.00~1.50 ≤1.40 ≤1.20 0.35~0.65

≤0.35 ≤0.35 ≤0.35 / ≤0.35

/ / / / ≤0.30 ≤0.15 ≤0.25 ≤0.25 ≤0.25 / ≤0.15 ≤0.25 / / ≤0.15

/ / / / ≤0.08 / / / / / / / / / /

/ / / / ≤0.02 / / / / / / / / / /

≤0.035 ≤0.035 ≤0.035 ≤0.030 ≤0.020 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.045 ≤0.035 ≤0.035 ≤0.045 ≤0.045 ≤0.035

≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.025 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.045 ≤0.035 ≤0.035 ≤0.045 ≤0.045 ≤0.035

/ / / / ≤0.30 ≤0.25 ≤0.25 ≤0.25 ≤0.25 / ≤0.25 ≤0.25 / / ≤0.25

/ / / /

√ √ √ / / × × × × × × × × × ×

√ √ √ D>60.3 / Z Z / / Z Z Z Z Z W

/ / / 17.2≥D ≤60.3 / Y Y Y Y Y Y Y Y Y Y

≥340 ≥410 ≥510 320~520 360~500 ≥335 ≥390 ≥510 ≥590 ≥490 335~475 410~530 390~570 470~530 335~475

≥35 ≥25 ≥25≥20 ≥25 ≥24 ≥20

≥17 ≥14 ≥21 ≥24 ≥20 ≥22 ≥21 ≥24

HRB≤77 HRB≤79 HRB≤92

/ / / 详见标准

D<40 S<2 D<40 S≥2 D≥40 S≥2

+0.4 -0 +20% -0 +22% -0±12.5%

D≤50 L≤7000 D>50 L≤7000

ET或 UT代水压

ET或 UT

其他

+15 -0

6000或 ±500 6400

EN10216P235 TR2 1 10 20 GB/T8162 -08 35 45 Q345 10 GB/T8163 -08 20 Q295 Q345B 10 GB308799

≤0.30 (Al ≤0.04 ≥0.02) (Nb≤0.01)

-10℃ 10×10×55

≥28

取±1%或±0.5mm 较大值+15% ≤6000 10% 或 ±0.15 取大 +12.5% 10%

正火

ET代水压 ET代水压

ET ET

0.17~0.3 7 0.17~0.3 0.35~0.65 7 0.17~0.3 0.50~0.80 7 0.17~0.3 0.50~0.80 7 1.00~1.60 ≤0.55

≤0.30 ≤0.30 ≤0.30 ≤0.30 / ≤0.30 ≤0.30 / / ≤0.30

/ / / / 0.02~0.2 0 / / 0.02~0.2 0 0.02~0.2 0 /

±1%或所有规 ±0.3mm 格取较大值

≤3

+10 0退火

>6000

+15 0

0.07~0.1 0.17~0.3 0.35~0.65 3 7 0.17~0.2 0.17~0.3 0.35~0.65 3 7 ≤0.16 ≤0.20 0.80~1.50 1.00~1.60 ≤0.55 ≤0.55

±1%或所有规 ±0.3mm 取较大格值

≤3

+15% ≤6000 10% 或 ±0.15 取大 +12.5% 10% +15% 10% +12.5% 10%

+10 0退火

>6000

+15 0

ET或 UT代水压

ET或 UT

0.07~0.1 0.17~0.3 0.35~0.65 3 7 0.17~0.2 0.17~0.3 0.35~0.65 3 7 0.35~0.65 0.40~0.70 0.40~0.70 0.40~0.70 0.35~0.65 0.35~0.65 1.20~1.60 0.40~0.70 0.35~0.65 0.35~0.65 0.40~0.70 0.40~0.70 0.17~0.3 7 0.17~0.3 7 0.17~0.3 7 0.17~0.3 7 0.17~0.3 7 0.17~0.3 7 0.20~0.6 0 0.17~0.3 7 0.17~0.3 7 0.17~0.3 7 0.17~0.3 7 0.17~0.3 7

10~30 30~50

±0.40 ±0.45

>1.5~3

≤0.25

≤0.035

≤0.25

≤0.30

410~550

≥245

≥20 >50 ±1% ±0.20

+20 0

退火

ET或 UT代水压

ET或 UT

0.17~0.2 4 0.08~0.1 12CrMoG GB53105 95 12Cr1MoV 0.08~0.1 G 5 0.12~0.1 15CrMoG 8 0.07~0.1 10 4 0.17~0.2 20 GB64794 2000 0.12~0.2 16Mn 0 0.12~0.1 15CrMo 8 0.07~0.1 10 4 0.17~0.2 20 GB99484 88 0.08~0.1 12CrMo 5 0.12~0.1 15CrMo 8 20G

≤0.25

≤0.15

≤0.08

≤0.030

≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.035 ≤0.035 ≤0.035 ≤0.035

≤0.20 ≤0.20 ≤0.20 ≤0.20 ≤0.20 ≤0.20 ≤0.20 ≤0.20 ≤0.25 ≤0.25 ≤0.25 ≤0.25

≤0.25 ≤0.30 ≤0.30 ≤0.30 ≤0.25 ≤0.25 ≤0.30 ≤0.30 ≤0.25 ≤0.25 ≤0.30 ≤0.30

/ / / / / / / / / / / /

× × × × × × × × D≤159 S≤8 × ×

V V V V

/ / / / /

410~550 410~560 470~640 440~640 335~490 410~550 490~670 440~640 330~490 410~550 410~560 440~640

≥245 ≥205 ≥255 ≥235 ≥205 ≥245 ≥320 ≥235 ≥205 ≥245 ≥205 ≥235

≥24 ≥21 ≥21 ≥21

0.40~0.7 0.40~0.5 ≤0.030 / 0 5 0.90~1.2 0.25~0.3 0.15~0.3 ≤0.030 0 5 0 0.80~1.1 0.40~0.5 ≤0.030 / 0 5 ≤0.15 ≤0.25 ≤0.30 / / / / / / / / / / / ≤0.030 ≤0.030 ≤0.030 ≤0.030 ≤0.035 ≤0.035 ≤0.035 ≤0.035

≤30 D≥ 76mm S ≥14mm >30~50 AKV≥ 35 >50 14~30

2~3

+12% 10%

正火正火+回火正火+回火正火+回火正火正火正火正火+回火正火正火正火+回火正火+回火

±0.30>3 ±10%

+20 0

ET代 ET+

UT 水压

±0.8% ±0.20≤3 +12.5% 10%

22≤D≤ 400

/ / / /

≥24 (冲击仅限 _ 于以下规格) ≥21 AKu≥39 ≥21 ≥21 ≥24 D≥57mm S≥14mm AKu≥47