Special Steel Pipe

MECHANICAL PIPE

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Description

Standard:ASTM A519

Size range(mm):Out diameter:10-324mm

Wall Tickness:1-30mm

Length:14000mm max

steel GRADE AND CHEMICAL COMPOSITION (%)OF ASTM A519

Grade	C	Mn	P≤	S≤	Si	Cr	Mo
1020	0.18-0.23	0.30-0.60	0.04	0.05
1025	0.22-0.28	0.30-0.60	0.04	0.05
1026	0.22-0.28	0.60-0.90	0.04	0.05
4130	0.28-0.33	0.40-0.60	0.04	0.05	0.15-0.35	0.80-1.10	0.15-0.25
4140	0.38-0.43	0.75-1.00	0.04	0.05	0.15-0.35	0.80-1.10	0.15-0.25

MECHANICAL PROPERTIES OF ASTM A519

Grade	Condition	MPa Tenslle Point	Yield Point	Elongation	Grade	Condition	MPa Tenslle Paint	Yield Point	Elongation
1020	CW	≥414	≥483	≥5%	4130	SR	≥586	≥724	≥10%
	SR	≥345	≥448	≥10%		A	≥379	≥517	≥30%
	A	≥193	≥331	≥30%		N	≥414	≥621	≥20%
	N	≥234	≥379	≥22%	4140	SR	≥689	≥855	≥10%
1025	CW	≥448	≥517	≥5%		A	≥414	≥552	≥25%
	SR	≥379	≥483	≥8%		N	≥ 621	≥855	≥20%
	A	≥207	≥365	≥25%
	N	≥248	≥379	≥22%