1、v: c E 2 I- c o AECMA PREN22q7 77 Iw JOJ23bj 0002b37 2 -5a SCRIE AEROSPATIALE STAHL FE-PL43 S 650 MPa 5 a 1 . EN2069-5- . Normalised, drawn and tempered Normalising 850C $ 880C/AC Temper if necessary Form Method of production Limit dimensions Acceptance Standards Condition and Heat treatment SUPPlV
2、1 Normalised, tlrawn and tempered Condition and Heat treatment Use ,-. Delivery condition 9e.f erence 2) I D=16m I Test piece Hect treatment Sampling concerned Thickness of cladding on oach face Direction of sample Normalised, drawn and tempered Room temperature Temperature Proof Stress Reduction 01
3、 area Hardness Shear Strength MPaI Rm A - MPa) % - I 5 51 I k Bending ir = k x al I mpact Time I I 35 I c - KCU O _. - t s/cm; - OC h - P w w a: o blP0.1 Stress , Elongation L Rupture Stress Elongation at rupture I - I A - I - * 1 1 MPa = 1 Nlrnm i) pEstybes of internal dl.ameter 21, 311 41, 5). _ .
4、ses line 98. d c 5a refer to the proper- or bars of same .external diameter. -L_-v- Votei AECMA PREN22L17 77 II 20L23LL 0002b39 b 1- Condition and Heat reatmenb rekerence Designotion Notes -1 -fi V Hardened and tempered 870 f 10 Ocio&, 4 Temper 545 + 5 OC -. , 2) Optional test. 3) Values for strip Best pieces are in brackets. 6) Method to be used in case of conflict. 5, i%&cfurer and purchzser . b nd test if re uired,to be negotiated between General purpose steel, weldable. Typical use -* - , . -. . .-
