三辊成型环焊管
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生产机组

该生产线采用三辊/四辊卷板机成型,成型好的短节钢管先用CO2气体保护焊进行预焊,预焊后进行焊接前的加热处理,再经过内直焊、外直焊、内环焊、外环焊,焊接均采用单丝、多层、多道焊,焊接完成后对焊缝进行保温处理,以降低焊缝残余应力,提高金属的抗应力腐蚀性能。该生产线的特点是产品大壁厚,大管径,可广泛应用于钢结构桥梁、高压输电塔、海陆风电塔、海洋平台装备及超长钢管桩等结构用管。

产品规格 
直径:  Φ610mm- 7000mm (24" - 276" )
壁厚:  8.0mm- 230mm (3/10" - 9"  )
标准:  API、DNV、ISO、DEP、EN、ASTM、DIN、BS、GB、CSA
长度:  3m-100m (10'- 328' )
材质:  API 5L  A-X100, GB/T9711 L190-L690


产品范围

管径

壁厚(mm)

最大卷制宽度

(mm)

最小屈服强度(Mpa)

In.

mm

245(B)

290(X42)

360(X52)

415(X60)

450(X65)

485(X70)

555(X80)

625(X90)

690(X100)

8mm≤壁厚<25mm时,
最大卷制宽度3000mm;
25mm≤壁厚<60mm时,
最大卷制宽度4000mm;
壁厚≥60mm时,
最大卷制宽度3000mm。

24.0 

610

8-23.2

8-21.3

8-19.1

8-17.8

8-17.1

8-16.5

8-15.4

8-14.5

8-13.8

26.0 

660

8-23.5

8-21.6

8-19.4

8-18.1

8-17.3

8-16.7

8-15.6

8-14.7

8-14.0

28.0 

711

8-23.8

8-21.9

8-19.6

8-18.3

8-17.6

8-16.9

8-15.8

8-14.9

8-14.2

30.0 

762

8-24.1

8-22.1

8-19.9

8-18.5

8-17.8

8-17.1

8-16.0

8-15.1

8-14.3

32.0 

813

8-24.3

8-22.3

8-20.0

8-18.7

8-17.9

8-17.3

8-16.1

8-15.2

8-14.5

34.0 

864

8-24.5

8-22.5

8-20.2

8-18.8

8-18.1

8-17.4

8-16.3

8-15.3

8-14.6

36.0 

914

8-24.7

8-22.7

8-20.4

8-19.0

8-18.2

8-17.6

8-16.4

8-15.5

8-14.7

38.0 

965

8-24.9

8-22.9

8-20.5

8-19.1

8-18.4

8-17.7

8-16.5

8-15.6

8-14.8

39.4 

1000

8-25.0

8-23.0

8-20.6

8-19.2

8-18.4

8-17.8

8-16.6

8-15.7

8-14.9

43.3 

1100

8-25.3

8-23.2

8-20.9

8-19.4

8-18.7

8-18.0

8-16.8

8-15.8

8-15.1

47.2 

1200

8-50.0

8-50.0

8-50.0

8-50.0

8-50.0

8-50.0

8-50.0

8-47.1

8-44.9

51.2 

1300

8-50.0

8-50.0

8-50.0

8-50.0

8-50.0

8-50.0

8-50.0

8-50.0

8-50.0

55.1 

1400

8-120.0

8-109.3

8-96.7

8-89.1

8-84.9

8-81.2

8-74.8

8-69.4

8-65.1

59.1 

1500

8-122.7

8-111.7

8-98.9

8-91.0

8-86.8

8-83.0

8-76.4

8-71.0

8-66.6

63.0 

1600

8-122.9

8-112.0

8-99.1

8-91.2

8-87.0

8-83.2

8-76.6

8-71.1

8-66.7

66.9 

1700

8-123.2

8-112.2

8-99.3

8-91.4

8-87.2

8-83.3

8-76.8

8-71.3

8-66.9

70.9 

1800

8-123.4

8-112.4

8-110.0

8-110.0

8-110.0

8-110.0

8-110.0

8-110.0

8-110.0

74.8 

1900

8-160.0

8-160.0

8-160.0

8-160.0

8-160.0

8-160.0

8-148.2

8-137.5

8-129.1

78.7 

2000

8-210.0

8-210.0

8-191.9

8-176.7

8-168.5

8-161.1

8-148.4

8-137.8

8-129.3

82.7-275.6

2100-7000

8-230.0

8-217.3

8-192.2

8-177.0

8-168.8

8-161.4

8-148.6

8-138.0

8-129.5

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