GB/T 18248-2021
Aotelega
Tulaga Fa'atonu: GB/T 18248-2021
Vaega o Vasega: 37Mn, 30CrMo, 35CrMo, 42CrMo, 30CrMnSiA, 34CrMo4, ma isi
Mafiafia: 1 - 100 mm
Lapo'a i Fafo (Lapotopoto): 10 - 1000 mm
Umi: Umi tumau pe umi fa'afuase'i
Foliga o le Vaega: Lapotopoto
Nofoaga na Amataga ai: Saina
Tusipasi: ISO9001:2008
U'amea Fa'afefiloi Pe Leai: U'amea Fa'afefiloi
Fa'aoga: Paipa o le ogāumu kasa
Togafitiga o Luga: E pei ona manaʻomia e le tagata faʻatau
Auala: Fa'alava Vevela/Fa'alava Malulu
Togafitiga i le vevela: Fa'amafanafana/fa'atulagaina
Paipa Faapitoa: Paipa Puipui Mafiafi
Fa'aaogāga: Paipa o le tane kesi
Su'ega: ET/UT
Talosaga
Paipa u'amea e leai ni so'oga e fa'aaogaina mo le gaosia o atigi o tane kesi ma fa'aputuga
Vasega Autū
Vasega o le U'amea Fa'atulagaina o le Alloy: 37Mn, 30CrMo, 35CrMo, 42CrMo, 30CrMnSiA, 34CrMo4
Vaega Fa'akemikolo
| Vasega U'amea | Fa'asologa fa'akemikolo | |||||||||
| C | Si | Mn | P | S | P+S | Cr | Mo | Ni | Cu | |
| 37Mna | 0.34～0.38 | 0.10～0.35 | 1.35～1.75 | ≤0.020 | ≤0.010 | ≤0.025 | ≤0.30 | - | ≤0.30 | ≤0.20 |
| 30CrMoa,c | 0.26～0.33 | 0.17～0.37 | 0.40～0.70 | ≤0.020 | ≤0.010 | ≤0.025 | 0.80～1.10 | 0.15～0.25 | ≤0.30 | ≤0.20 |
| 35CrMoa | 0.32～0.40 | 0.17～0.37 | 0.40～0.70 | ≤0.020 | ≤0.010 | ≤0.025 | 0.80～1.10 | 0.15～0.25 | ≤0.30 | ≤0.20 |
| 42CrMoa,d | 0.38～0.45 | 0.17～0.37 | 0.50～0.80 | ≤0.020 | ≤0.010 | ≤0.025 | 0.90～1.20 | 0.15～0.25 | ≤0.30 | ≤0.20 |
| 30CrMnSiA | 0.28～0.34 | 0.90～1.20 | 0.80～1.10 | ≤0.020 | ≤0.020 | ≤0.030 | 0.80～1.10 | ≤0.10 | ≤0.30 | ≤0.20 |
| 34CrMo4 | 0.30～0.37 | 0.15～0.35 | 0.60～0.90 | ≤0.020 | ≤0.010 | ≤0.025 | 0.90～1.20 | 0.15～0.30 | ≤0.30 | ≤0.20 |
| a. E tatau ona fa'amalieina le V + Nb + Ti + B + Zr ≤ 0.15%. b. E tusa ai ma manaʻoga o le tagata faʻatau, a maeʻa ona feutagaʻi i le va o le tagata tuʻuina atu oloa ma le tagata faʻatau, faʻatasi ai ma le aiaiga o loʻo taʻua i le konekarate, e mafai ona faʻamaoti mai o le Al e tatau ona sili atu pe tutusa ma le 0.020%. c. E mafai ona faia ni oka mo le 30CrMoE, o lona tuufaatasiga vailaʻau e tutusa ma le 30CrMo. d. E mafai ona faia ni oka mo le 42CrMoE, o lona tuufaatasiga vailaʻau e tutusa ma le 42CrMo. | ||||||||||
Meatotino Fa'amekanika
| Vasega | Faiga togafitiga vevela fautuaina | Meatotino fa'amekanika fa'asolosolo | |||||||
| Fa'amalieina (Fa'atulagaina) | Fa'amālūlūina | malosi o le feliua'i RmPa | Malosiaga maualalo o le fua ReLBMPa | Fa'aloloa pe a uma le gau A% | Fa'a ... o le malosi o le a'afiaga | ||||
| vevela℃ | Mea fa'amālūlū | vevela℃ | Mea fa'amālūlū | E le itiiti ifo i le | Vevela o le suega ℃ | KV2J E le itiiti ifo i le | |||
| 37Mn | 820-860 | vai | 550-650 | Ea | 750 | 630 | 16 | -50 | 27 |
| 830-870 | Ea | - | - | 700 | 520 | 16 | -20 | 27 | |
| 30CrMo | 860-900 | vai、Suau'u | 490-590 | vai、Suau'u | 930 | 785 | 12 | -50 | 27 |
| 35CrMo | 830-870 | vai、Suau'u | 500-600 | vai、Suau'u | 980 | 835 | 12 | -50 | 27 |
| 42CrMo | 830-870 | Suau'u | 510-610 | vai、Suau'u | 1080 | 930 | 12 | -50 | 27 |
| 30CrMnSiA | 860-900 | Suau'u | 470-570 | vai、Suau'u | 1080 | 885 | 10 | Vevela o le potu | 27 |
| a. O le vevela o le suega tensile o le vevela o le potu. b. Afai o ReLe le mafai ona fuaina, Ritulau 0.2e mafai ona fuaina le a'u nai lo le ReLc. Afai e fa'amaoti mai e le tagata fa'atau le 4130X po'o le 30CrMoE o le vasega mo le tilivaina atu, o le tau fa'asino o meatotino fa'ainisinia e mafai ona fa'avae i le 30CrMo.d. Afai e fa'amaoti mai e le tagata fa'atau le vasega 34CrMo4 mo le tilivaina atu, e mafai ona fa'asino atu meatotino fa'ainisinia i le 35CrMo.e. Afai e fa'amaoti mai e le tagata fa'atau le 4142 po'o le 42CrMoE vasega mo le tilivaina atu, o le tau fa'asino o meatotino fa'ainisinia e mafai ona fa'avae i le 42CrMo. | |||||||||
Onosa'i
| Metotia o le gaosiga o paipa u'amea | tele o lapopo'a | Suiga Fa'atagaina i le Diameter i Fafo | Fa'atagaga fa'atagaina o le mafiafia o le puipui | |
| Tulaga faavae PA | PC tulaga maualuga | |||
| Ta'avale Vevela | D＜339.7 | ±1%D | +25% Min 0 | +25% Min 0 |
| D≥339.7 | +30% Min 0 | +25% Min 0 | ||
| Malulu tosoina (ta'avale) Pipe | uma | ±0.75%D | +22.5% Min 0 | +15% Min 0 |
Manaoga mo le Su'ega
I le fa’aopoopoga i le fa’amautinoaina o le tu’ufa’atasiga fa’akemikolo ma meatotino fa’ainisinia, o le a faia fo’i su’ega hydraulic, su’ega electromagnetic, su’ega e le o ni u’amea e aofia ai, ma su’ega e le fa’aleagaina (su’ega ultrasonic ma su’ega magnetic particle).
Malosiaga o le Sapalai
Sapalai Malosi: 2000 Tone i le Masina i le Vasega o le GB/T18248-2021 Paipa U'amea Fa'a'au'au
Afifiina
I totonu o fusi ma i totonu o pusa laupapa malosi
Tu'uina atu
7-14 aso pe afai o loʻo iai i le faleoloa, 30-45 aso e gaosia ai
Totogi
30% teuina, 70% L/C po'o le kopi B/L po'o le 100% L/C i le taimi e va'ai ai
Paipa Paipa
ASME SA-106/SA-106M-2015
ASTMA210(A210M)-2012
ASME SA-213/SA-213M
