Seamless karfe bututun nauyi lissafi formula:

[(Diamita na waje - kauri na bango) * kauri na bango] * 0.02466 = kg / m (nauyin kowane mita)

Babban calibre seamless karfe bututu 273 × 7-9-12-15-18-20-25

Babban calibre seamless karfe bututu 273 × 30-35-38-40-45-50

Babban calibre seamless karfe bututu 299 × 8-12-16-20-24-28

Babban calibre seamless karfe bututu 299 × 30-32-36-38-40-45

Babban calibre seamless karfe bututu 325 × 8-12-14-18-38-42

Babban calibre seamless karfe bututu 325 × 28-32-34-38-42

Babban calibre seamless karfe bututu 351 × 10-16-20-25-40

Babban calibre seamless karfe bututu 355 × 6-18-20-25-30-40 / 52

Babban calibre seamless karfe bututu 377 × 8-12-15-20-24-28

Babban calibre seamless karfe bututu 377 × 30-37-40-45-50

Babban calibre seamless karfe bututu 402 × 10-15-20-25-30-35

Babban calibre seamless karfe bututu 406 × 10-20-25-28-35-40

Babban calibre seamless karfe bututu 426 × 10-12-14-16-20-25-30-35-40

Babban calibre seamless karfe bututu 450 × 10-12-14-16-20-25-34-40-50

Babban calibre seamless karfe bututu 480 × 10-12-14-16-18-20-25-30-40

Babban calibre seamless karfe bututu 500 × 10-12-14-16-20-25-34-40-50

Babban calibre seamless karfe bututu 510 × 10-12-14-16-20-25-34-40-50

Babban calibre seamless karfe bututu 530 × 10-12-14-16-18-20-30-40

Babban calibre seamless karfe bututu 560 × 10-14-16-20-25-30-40-50-60

Babban calibre seamless karfe bututu 580 × 10-14-16-20-30-40-50-70

Babban calibre seamless karfe bututu 600 × 10-14-18-25-20-30-50-60

Babban calibre seamless karfe bututu 610 × 10-14-18-25-20-30-50-60

Babban calibre seamless karfe bututu 620 × 14-20-30-35-45-50-60

Babban calibre seamless karfe bututu 630 × 10-20-30-40-55-75