1、UDC 627.3.13 : 669.1573 : 6Li.T91.OII INCORPORATED ar ROYAL CEARTER Telepnane: Olbd 9oM) Tclrs. 1 hezrth or an electric processst udssss otherhe aFeed between the rnanufacmrer and the purchaser accordance wkh Britkh Standard 3 S.100, Section One, Clause 3.1. I- -. -. . . . . I I I- . BEST COPY AVAIL
2、ABLE - . . -. . 4 . . . ., . . -. . -.- .- - a- . .- . .: -:z. . . -_ ._ 3, Chernid composition, . The seed shd contain: xemmt - . 0-18 0-26 -, 0.55 . 1.3 Carbon* Silicon . Manganese Nickel .“ , cmomium . - Molybdemm i . . Sulphw * O -7-5 -. 0-10 - 0-045 - 0.04 . , ._ . , - _,.-. -j 5 . . - I Phosph
3、orus 1 . By agreement berwtcri thc manu-ammz and the purchaser ia A; ,. .-. .I I -! I ., . I i. ; PD 6315 . . Amndrnerit No. i, publisfid.5l Snuai, 3G Carbsn-rnangakie steel . to Brhish Standard 23.92 : 19% . 9- (suitable for welding) (40/55 ton/sq in: limiting ruling seaion 4 in) Revision 7.1 Methn
4、id tests. Iu the table columns headed 0.1 per ce= proai smss, delete 0.1 and substitute Oar, delete 31 and sub_. ., .: . . . ._ -. I -e. , -. .-. .* I “ -9 . . . - . . . . . - . ._ . s . . * . . I- . i., . , . 8. I 1 -. ._ to Bnush Standard 2592 : 1964 Carbon-nan,ba;lese steel .- (suitable for weldi
5、ng) (4/55 ton/sq in: Limiting ruling secion 4 in) . i tr.- Revision . . I 7.1 Medunid tests. 31 the table c=lumns heabed 0.1 pcr axt prooi I srrcs, de!c:e U.1 and substitute 0.1: delete 31 and sukiatc 12, and deiete 49 and subtinite 50. 1- .- ! I De!e:e also the colmm haded &/SO. herc the folIowing
6、note &!ow the tabla: I NOTE. The 0.1 per ant proat stzcss U expeed to k not leu th= 31 b3dq in (49 kgf/lmm:). . ,. i 72 Hardness. Delete the existing turi and substitute the folIoWing: . i: i ! The hardness of 5naiIy heat uated matcnd and parcs shai1 be: . 179min/U5mxc.HB , gt 100 irk / 270 max- “4
