\n\u0110\u1ed9 d\u00e0y<\/span> \n(mm)<\/span><\/td>\n | Chi\u1ec1u r\u1ed9ng (mm)<\/span><\/td>\n | Chi\u1ec1u r\u1ed9ng (mm)<\/span><\/td>\n | Chi\u1ec1u r\u1ed9ng (mm)<\/span><\/td>\n | Chi\u1ec1u r\u1ed9ng (mm)<\/span><\/td>\n<\/tr>\n\n12.7<\/span><\/td>\n | 16<\/span><\/td>\n | 19<\/span><\/td>\n | 25.4<\/span><\/td>\n | 32<\/span><\/td>\n<\/tr>\n\n0.35<\/span><\/td>\n | AB<\/span><\/td>\n | AB<\/span><\/td>\n | <\/td>\n | <\/td>\n<\/tr>\n | \n0.5<\/span><\/td>\n | AB<\/span><\/td>\n | AB<\/span><\/td>\n | AB<\/span><\/td>\n | <\/td>\n<\/tr>\n | \n0.6<\/span><\/td>\n | <\/td>\n | AB<\/span><\/td>\n | AB<\/span><\/td>\n | <\/td>\n<\/tr>\n | \n0.7<\/span><\/td>\n | <\/td>\n | <\/td>\n | AB<\/span><\/td>\n | <\/td>\n<\/tr>\n | \n0.8<\/span><\/td>\n | <\/td>\n | <\/td>\n | AB<\/span><\/td>\n | AB<\/span><\/td>\n<\/tr>\n\n0.9<\/span><\/td>\n | <\/td>\n | <\/td>\n | ABC<\/span><\/td>\n | AB<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n L\u01b0u \u00fd: A – D\u00e2y \u0111ai th\u00f4ng th\u01b0\u1eddng; B – D\u00e2y \u0111ai c\u00f3 \u0111\u1ed9 b\u1ec1n trung b\u00ecnh; C – D\u00e2y \u0111ai c\u00f3 \u0111\u1ed9 b\u1ec1n cao.<\/span><\/p>\nPh\u00e2n ph\u1ed1i d\u00e2y \u0111ai m\u00e0u xanh, d\u00e2y \u0111ai s\u01a1n v\u00e0 d\u00e2y \u0111ai m\u1ea1 k\u1ebdm theo t\u00ecnh tr\u1ea1ng b\u1ec1 m\u1eb7t. D\u00e2y \u0111ai th\u00e9p c\u00f3 k\u00edch th\u01b0\u1edbc kh\u00e1c v\u1edbi k\u00edch th\u01b0\u1edbc \u0111\u01b0\u1ee3c li\u1ec7t k\u00ea c\u0169ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c cung c\u1ea5p theo th\u1ecfa thu\u1eadn chung v\u00e0 \u0111\u1ed9 l\u1ec7ch k\u00edch th\u01b0\u1edbc s\u1ebd \u0111\u01b0\u1ee3c c\u1ea3 hai b\u00ean \u0111\u1ed3ng \u00fd.<\/span><\/p>\n<\/span> B\u1ed9 ph\u1ee5 ki\u1ec7n \u0111\u00f3ng d\u00e2y \u0111ai th\u00e9p<\/span><\/figcaption><\/figure>\n<\/span>\u261e\u0110i\u1ec1u ki\u1ec7n k\u1ef9 thu\u1eadt quan tr\u1ecdng \u0111\u1ec3 cung c\u1ea5p d\u00e2y \u0111ai th\u00e9p:<\/strong><\/em><\/span><\/span><\/h3>\n\n- \u2713<\/strong><\/span>\u0110\u1ed9 b\u1ec1n k\u00e9o: \u0110\u1ed9 b\u1ec1n k\u00e9o l\u00e0 \u1ee9ng su\u1ea5t k\u00e9o danh ngh\u0129a t\u1ed1i \u0111a m\u00e0 d\u1ea3i th\u00e9p c\u00f3 th\u1ec3 ch\u1ecbu \u0111\u1ef1ng tr\u01b0\u1edbc khi b\u1ecb \u0111\u1ee9t d\u01b0\u1edbi l\u1ef1c c\u0103ng.<\/span><\/li>\n
- \u2713<\/strong><\/span>T\u1ed1c \u0111\u1ed9 gi\u00e3n d\u00e0i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 ho\u1eb7c t\u1ed1c \u0111\u1ed9 k\u00e9o d\u00e0i x\u1ea3y ra trong v\u1eadt li\u1ec7u ch\u1ecbu l\u1ef1c c\u0103ng.<\/span><\/li>\n<\/ul>\n
<\/span>1. \u0110\u1eb7c t\u00ednh c\u01a1 h\u1ecdc c\u1ee7a s\u1ea3n ph\u1ea9m<\/strong><\/em><\/span><\/span><\/h4>\n\n- \u2713<\/strong><\/span>D\u00e2y th\u00e9p \u0111\u00f3ng g\u00f3i lo\u1ea1i I th\u00f4ng th\u01b0\u1eddng: \u0111\u1ed9 b\u1ec1n k\u00e9o \u03c3b \u226558-78Kg\/mm2 (580-780Mpa), \u0111\u1ed9 gi\u00e3n d\u00e0i: 3% -5%.<\/span><\/li>\n
- \u2713<\/strong><\/span>D\u00e2y th\u00e9p \u0111\u00f3ng g\u00f3i lo\u1ea1i II th\u00f4ng th\u01b0\u1eddng: \u0111\u1ed9 b\u1ec1n k\u00e9o \u03c3b \u226578-90Kg\/mm2 (780-900Mpa), \u0111\u1ed9 gi\u00e3n d\u00e0i: 3% -5%.<\/span><\/li>\n
- \u2713 <\/strong><\/span>D\u00e2y \u0111ai th\u00e9p bao b\u00ec ch\u1ea5t l\u01b0\u1ee3ng cao: c\u01b0\u1eddng \u0111\u1ed9 cao, hi\u1ec7u su\u1ea5t t\u1ed1t, ch\u1ed1ng va \u0111\u1eadp. \u0110\u1ed9 b\u1ec1n k\u00e9o \u03c3b \u226590-110Kg\/mm2 (900-1100Mpa), \u0111\u1ed9 gi\u00e3n d\u00e0i: 5%-8%.<\/span><\/li>\n<\/ul>\n
<\/span> D\u00e2y \u0111ai s\u1eaft<\/span><\/figcaption><\/figure>\nN\u1ebfu b\u1ea1n ch\u1ec9 mu\u1ed1n ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng d\u00e2y \u0111ai th\u00e9p th\u00ec c\u00f3 th\u1ec3 g\u1ea5p d\u00e2y \u0111ai s\u1eaft nhi\u1ec1u l\u1ea7n, \u0111\u1ed9 d\u1ebbo dai t\u1ed1t, kh\u00f4ng d\u1ec5 \u0111\u1ee9t, hoa v\u0103n \u0111\u1eb9p h\u01a1n v\u00e0 kh\u00f4ng b\u1ecb l\u1ec7ch. Ch\u1ea5t l\u01b0\u1ee3ng d\u00e2y \u0111ai th\u00e9p nh\u00ecn chung t\u1ed1t h\u01a1n m\u00e0u tr\u1eafng, v\u00ec ch\u1ea5t li\u1ec7u n\u00e0y kh\u00f4ng d\u1ec5 l\u1eabn v\u00e0o v\u1eadt li\u1ec7u c\u0169, d\u00e2y \u0111ai th\u00e9p ph\u1ea3i s\u00e1ng b\u00f3ng, c\u00e1c lo\u1ea1i d\u00e2y \u0111ai nh\u01b0 v\u1eady th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t t\u1eeb \u200b\u200bm\u1ecdi ch\u1ea5t li\u1ec7u v\u00e0 c\u00f3 l\u1ef1c k\u00e9o \u1ed5n \u0111\u1ecbnh, \u0111\u01b0\u1ee3c tr\u1ed9n l\u1eabn v\u1edbi b\u1ed9t, n\u1ebfu v\u1eady \u0111\u1ed9 b\u00f3ng s\u1ebd gi\u1ea3m \u0111i r\u1ea5t nhi\u1ec1u. V\u1ec1 chi\u1ec1u r\u1ed9ng, \u0111\u1ed9 l\u1ec7ch chi\u1ec1u r\u1ed9ng th\u01b0\u1eddng l\u00e0 c\u1ed9ng ho\u1eb7c tr\u1eeb 0,3 milim\u00e9t, d\u00e2y \u0111ai \u0111\u00f3ng ki\u1ec7n nh\u01b0 v\u1eady \u0111\u01b0\u1ee3c c\u1eaft \u0111\u1ec1u trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t, ch\u1ea5t l\u01b0\u1ee3ng s\u1ebd t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u1ed3ng \u0111\u1ec1u, kh\u00f4ng c\u00f3 \u0111i\u1ec1u ki\u1ec7n t\u1ed1t hay x\u1ea5u.<\/span><\/p>\n\u0110\u1ed3ng th\u1eddi, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng b\u1ec1 m\u1eb7t c\u1ee7a m\u1ed9t s\u1ed1 d\u00e2y \u0111ai s\u1eaft \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng ch\u1ea5t li\u1ec7u m\u1edbi, \u1edf gi\u1eefa c\u00f3 th\u1ec3 c\u00f3 v\u1eadt li\u1ec7u \u0111\u1ed9n, ch\u1ec9 c\u1ea7n c\u1eaft ra v\u00e0 nh\u00ecn v\u00e0o m\u1eb7t c\u1eaft l\u00e0 c\u00f3 th\u1ec3 th\u1ea5y l\u00f5i \u0111en b\u00ean trong ch\u1ee9ng t\u1ecf ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m. \u0110\u1ed3ng th\u1eddi, s\u1ea3n ph\u1ea9m \u0111\u00e3 ki\u1ec3m tra \u0111\u01b0\u1ee3c b\u1ea3o qu\u1ea3n trong m\u00f4i tr\u01b0\u1eddng kh\u00f4 r\u00e1o, ph\u00f9 h\u1ee3p, ch\u1edd \u0111\u01b0a ra th\u1ecb tr\u01b0\u1eddng.<\/span><\/p>\n\n\n\nT\u00ean s\u1ea3n ph\u1ea9m<\/span><\/td>\n | \u0110\u1ed9 b\u1ec1n k\u00e9o Mpa\u03c3b<\/span><\/td>\n | \u0110\u1ed9 gi\u00e3n d\u00e0i \u03b45<\/span><\/td>\n | U\u1ed1n l\u1eb7p \u0111i l\u1eb7p l\u1ea1i<\/span><\/td>\n<\/tr>\n\n\u0110\u00f3ng \u0111ai th\u00f4ng th\u01b0\u1eddng<\/span><\/td>\n | \u2265700<\/span><\/td>\n | \u22653<\/span><\/td>\n | \u0110\u1ed9 d\u00e0y \uff1c 0,8\u30004 l\u1ea7n<\/span> \n\u0110\u1ed9 d\u00e0y \u22650,8\u30003 l\u1ea7n<\/span><\/td>\n<\/tr>\n\nD\u00e2y \u0111ai c\u01b0\u1eddng \u0111\u1ed9 trung b\u00ecnh<\/span><\/td>\n | \u2265800<\/span><\/td>\n | \u22655<\/span><\/td>\n | \u0110\u1ed9 d\u00e0y \uff1c 0,8\u30004 l\u1ea7n<\/span> \n\u0110\u1ed9 d\u00e0y \u22650,8\u30003 l\u1ea7n<\/span><\/td>\n<\/tr>\n\nD\u00e2y \u0111ai c\u01b0\u1eddng \u0111\u1ed9 cao<\/span><\/td>\n | \u2265950<\/span><\/td>\n | \u22658<\/span><\/td>\n | \u0110\u1ed9 d\u00e0y \uff1c 0,8\u30004 l\u1ea7n<\/span> \n\u0110\u1ed9 d\u00e0y \u22650,8\u30003 l\u1ea7n<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/span>2. Th\u00f4ng s\u1ed1 ngo\u1ea1i h\u00ecnh s\u1ea3n ph\u1ea9m<\/strong><\/em><\/span><\/span><\/h4>\n\n- \u2713<\/strong><\/span>Dung sai \u0111\u1ed9 d\u00e0y \u00b1 0,04mm (L\u01b0u \u00fd: \u0110\u1ed9 d\u00e0y \u0111\u1ec1 c\u1eadp \u0111\u1ebfn \u0111\u1ed9 d\u00e0y c\u1ee7a l\u1edbp n\u1ec1n \u0111\u00f3ng \u0111ai)<\/span><\/li>\n
- \u2713<\/strong><\/span>Dung sai chi\u1ec1u r\u1ed9ng \u00b1 0,13mm<\/span><\/li>\n
- \u2713<\/strong><\/span>Chi\u1ec1u d\u00e0i \u0111o \u0111\u01b0\u1eddng cong li\u1ec1m 12,4mm\/2,4m<\/span><\/li>\n<\/ul>\n
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