API 5L Dhuumaha Xariiqda Xun waxay ka samaysan tahay walxo bir kaarboon ah oo u adkaysata dildilaaca oo xidhan adkaysi u leh. Maaddadu waxay leedahay kaarboon, manganese, chromium, nikkel iyo walxo kale oo tiro badan.
Fasalka dhuumaha birta ee ERW waxaa laga yaabaa in loo soo saaro sidatan:
Tilmaamid |
Darajooyinka |
API 5L (46aad) API 5L ISO 3183 |
PSL1: A /L210,B/L245,X42/L290,X46/L320,X52/L360,X56/L390, X60/L415,X65/L450,X70/L485 PSL2: BN/L245N,X42N/L290N,X46N/L320N,X52N/L360N,X56N/L390N, X60N/L415N,X65N/L450N,X70N/L485N,X80N/L555N; BM/L245M,X42M/L290M,X46M/L320M,X52M/L360M,X56M/L390M, X60M/L415M,X65M/L450M,X70M/L485M,X80M/L555M |
Xusuusin: Haddii shuruudo dheeri ah loo baahan yahay in lagu daro, waxaa laga yaabaa inaan la saxiixno heshiis farsamo macaamiisheena si aan u daboolno baahiyahaaga gaarka ah. |
API 5L Dhuumaha | ||
Nooca | Dhuumaha birta ah ee aan cillad lahayn | |
Qalab | GR.B, X42, X52, X60 | |
Codsiga | Dhuumaha khadka | |
Dhuumaha gaarka ah | Tuubo bir ah oo gidaar qaro weyn leh oo joogto ah, dhumucdiisuna tahay ugu badnaan ilaa 60MM | |
Habka | Kulul duuban oo kulul ayaa la ballaariyay | |
Tilmaamaha Milimitirka | 114-914MM*4-60MM | |
Dhexroorka Milimitir | 114MM-914MM | |
Dhumucda Milimitirka | 4MM-60MM | |
Dhererka | Sida shuruudahaaga |
CS 5L dhumucda gidaarka t mm (gud) | Dulqaadyada tuubooyinka mm (in) mm (in) |
Dhuumaha SMLS b | |
≤ 4,0 (0.157) | + 0,6 (0.024) - 0,5 (0.020) |
> 4,0 ( 0.157) ilaa <25,0 (0.984) | + 0,150 – 0,125 |
≥ 25,0 (0.984) | +3,7 (0.146) ama + 0,1 t hadba kan weyn – 3,0 (0.120) ama – 0,1 t hadba kan weyn. |
Darajooyinka | Halabuurka Kiimikada | |||||||
C | Si | Mn | P | S | V | Nb | Ti | |
X42 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.07 | 0.05 | 0.04 |
X52 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.07 | 0.05 | 0.04 |
X60 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.08 | 0.05 | 0.04 |
X65 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.09 | 0.05 | 0.06 |
X70 | 0.17 | 0.45 | 1.75 | 0.020 | 0.010 | 0.10 | 0.05 | 0.06 |
Darajooyinka | Xoogga Wax-soo-saarka | Xoogga Jilicsan | U Jeedso Jilicsan | Dheeraynta |
min. (KSI) | min. (KSI) | Saamiga (ugu badnaan) | % | |
X42 | 42 | 60 | 0.93 | 23 |
X52 | 52 | 66 | 0.93 | 21 |
X60 | 60 | 75 | 0.93 | 23 |
X65 | 65 | 77 | 0.93 | 18 |
X70 | 70 | 82 | 0.93 | 17 |