Q345B
鍜?/p>
Q355B
鐨勫尯鍒?/p>
涓�銆佹墽琛屾爣鍑嗙殑鍖哄埆
Q345B
鐗屽彿琛ㄧず鏂规硶锛氶挗鐨勭墝鍙风敱浠ｈ〃灞堟湇寮哄害鐨?/p>
姹夎鎷奸煶瀛楁瘝
锛屽眻鏈嶅己搴︽暟鍊硷紝璐?/p>
閲忕瓑绾х鍙蜂笁涓儴鍒嗙粍鎴愩�備緥濡傦細
Q345B
锛屽叾涓細
Q
鈥旈挗鐨勫眻鏈嶅己搴︾殑鈥滃眻鈥濆瓧姹夎鎷奸煶鐨勯浣嶅瓧姣嶏紱
345
鈥斿眻鏈嶅己搴︽暟鍊硷紝鍗曚綅
MPa
锛?/p>
B
鈥旇川閲忕瓑绾т负
B
绾с�?/p>
褰撻渶鏂硅姹傞挗鏉垮叿鏈夊帤搴︽柟鍚戞�ц兘鏃讹紝鍒欏湪涓婅堪瑙勫畾鐨勭墝鍙峰悗闈㈠姞涓婁唬琛ㄥ帤搴︽柟鍚戯紙
Z
鍚戯級鎬ц兘绾у埆鐨勭鍙凤紝渚嬪锛?/p>
Q345BZ15.
Q345B
鎵ц鏍囧噯锛氭墽琛?/p>
GB/T1591-2008
銆婁綆鍚堥噾楂樺己搴︾粨鏋勯挗銆?/p>
銆?/p>
閽㈢殑鐗屽彿鐢变唬琛ㄥ眻鏈嶅己搴︹�滃眻鈥濆瓧鐨勬眽璇嫾闊抽瀛楁瘝
Q
銆佽瀹氱殑鏈�灏忎笂灞堟湇寮哄害鏁板�笺�?/p>
浜よ揣鐘舵�佷唬鍙枫�佽川閲忕瓑绾х鍙峰洓涓儴鍒嗙粍鎴愩�?/p>
绀轰緥
:Q355NB
銆傚叾涓?/p>
:
Q
鈥斺�斺�旈挗鐨勫眻鏈嶅己搴︾殑鈥滃眻鈥濆瓧姹夎鎷奸煶鐨勯瀛楁瘝
;
355
鈥斺�斺�旇瀹氱殑鏈�灏忎笂灞堟湇寮哄害鏁板�?/p>
,
鍗曚綅涓哄厗甯?/p>
(MPa);
N
鈥斺�斺�斾氦璐х姸鎬佷负姝ｇ伀鎴栨鐏涧鍒?/p>
;
B
鈥斺�斺�旇川閲忕瓑绾т负
B
绾с�?/p>
Q355B
鎵ц鏍囧噯锛?/p>
GB/T1591-2018
銆婁綆鍚堥噾楂樺己搴︾粨鏋勯挗銆嬨�?/p>
浜屻�佸寲瀛︽垚鍒嗙殑鍖哄埆
Q345B
鍖栧鎴愬垎
C
Si
Mn
P
S
Nb
V
Ti
Cr
Ni
Cu
N
Mo
Als
鈮?/p>
0.18
鈮?
0.50
鈮?
1.70
鈮?
0.030
鈮?
0.025
鈮?
0.07
鈮?
0.15
鈮?
0.20
鈮?
0.30
鈮?
0.50
鈮?
0.30
鈮?
0.012
鈮?
0.10
鈮?
0.015
Q355B
鍖栧鎴愬垎
C
Si
Mn
P
S
Nb
V
Ti
Cr
Ni
Cu
N
Mo
Als
鈮?/p>
0.24
鈮?/p>
0.55
0.9-
1.60
鈮?/p>
0.035
鈮?/p>
0.035
0.005-
0.05
0.01-
0.12
0.006-
0.05
鈮?/p>
0.30
鈮?/p>
0.30
鈮?/p>
0.40
鈮?/p>
0.012
鈮?/p>
0.10
鈮?/p>
0.015
涓夈�佸姏瀛︽�ц兘鐨勫尯鍒?/p>
Q345B
鍔涘鎬ц兘
灞堟湇寮哄害锛?/p>
鈮?/p>
16mm
锛氣墺
345
锛?/p>
16
鈥?/p>
40mm
锛氣墺
335
锛?/p>
40
鈥?/p>
63mm
锛氣墺
325
锛?/p>
63
鈥?/p>
80mm
锛氣墺
315
锛?/p>
80
鈥?/p>
100mm
锛氣墺
305
锛?/p>