Standard of ASTM A106-20006 (seamless steel pipe)

ASTM A106-2006标准

标  准
ASTM A106高温用无缝碳钢公称钢管
用途	适用于弯曲、卷边及类似的成形加工

标准	外径(mm)	+(mm)	-(mm)
ASTM A106	6-40	0.4	0.4
	40-100	0.8	0.8
	100-200	1.6	0.8
	200—450	2.4	0.8
	450-650	3.2	0.8
	650-850	4.0	0.8
	850-1200	4.8	0.8

ASTM A106壁厚、重量允许偏差及长度范围
壁厚	重量	长度范围
±12.5％	+10%  -3.5%	一般范围1	一般范围2
		4.8-6.7m+ 5% (3.7-4.8m).	最小平均10.7m+ 最小6.7m+ 5％(4.8-6.7m)两倍长度.

ASTM A106化学成分(%)
牌号Gr	C	Si	Mn	P	S	Cr	Mo	Cu	Ni	V
A	≤0.25	≥0.10	0.27-0.93	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
B	≤0.30	≥0.10	0.29-1.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08
C	≤0.35	≥0.10	0.29-1.06	≤0.035	≤0.035	≤0.40	≤0.15	≤0.40	≤0.40	≤0.08

ASTM A106力学性能(MPa)
牌号	抗拉强度	屈服强度
GrA	≥330	≥205
GrB	≥415	≥240
GrC	≥485	≥275

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