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Model: GB/T 9808-2008
merk: TORICH
verpakkingen: 45MoMnB Hoogwaardige geologische boorpijp / buis, verpakt in standaard scheepvaartpakket
produktiviteit: 50000 tons/year
vervoer: Ocean,Land
Plaats van herkomst: Zhejiang, CN
Ondersteuning over: 50000 tons/year
Certificaat: ISO 9001 ISO 14001 TS 16949
GS-code: 73041930
Haven: Shanghai,Ningbo,Foshan
betaling Type: L/C,T/T,D/P,Paypal,Money Gram,Western Union
Incoterm: FOB,CFR,CIF,FCA,CPT
Productinformatie
Applicatioan: voor draadlijnboorstangen, kern barelbuizen, boorstangen koppelingshuis
Grootte bereik: OD 5-420mm, WT 0,5-50mm Lengte max12000mm
Materiaal: 45MnMoB, 10 #, 20 #, 45 #, 4130,4140,16Mn, enz.
Chemische samenstelling van 45MnMoB
C: 0,41-0,49, Si: 0,17-0,37, Mn: 0,9-1,2, S: 0,04max, P: 0,04max, Mo: 0,2-0,3, B: 0,001-0,005
Tolerantie van buitendiameter en wanddikte
Standard | Production Method | Tube Size |
|
Tolerance |
GB/T 9808-2008 | Hot rolled | OD |
(+1.0%D) or +0.65 (-0.5%D) -0.35 |
|
WT | ≤10 |
(+15%S)or +0.45 (-10%S) -0.35 |
||
>10 | (+12.5%S, -10%S) | |||
Cold Drawn(rolled) | OD |
|
±0.50%D or ±0.20 | |
WT |
|
±8%S or ±0.15 | ||
Q(N)/ T118-2010 | Cold Drawn | OD | OD | ±0.40%D or ±0.20 |
WT | WT | ±7%S or ±0.15 |
Mechanische eigendom
No. | Grade | Tensile Strangth Rm/MPa | Specifies the non-proportional extension strength Rp0.2/MPa |
Percentage elongation after fracture A/% |
No less than | ||||
1 | ZT380 | 640 | 380 | 14 |
2 | ZT490 | 690 | 490 | 12 |
3 | ZT520 | 780 | 520a | 15b |
4 | ZT540 | 740 | 540 | 12 |
5 | ZT590 | 770 | 590 | 12 |
6 | ZT640 | 790 | 640 | 12 |
7 | ZT740 | 840 | 740 | 10 |
a Grade ZT520 measure RP0.5 bGrade ZT520 use tensile sample S4 S5 or S6 in GB/T 228 |
Product Categorie : Naadloze stalen buizen
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.