PH 29 - ISO 9330-4-2000

Grade	PH 29
Corresponding Standard	ISO 9330-4-2000 Submerged Arc-welded Unalloyed and Alloyed Steel Tubes with Specified Elevated Temperature Properties
Classification	Carbon Steel

PH 29 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu ^①
Minimum Value	-	0.1	0.65	-	-	-
Maximum Value	0.22	0.4	1.4	0.035	0.03	0.25

PH 29 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t＜16	Normalizing 880~940℃ Air Cooling	460~580	≥290	Longitudinal, ≥23; Transverse, ≥21
16＜t≤40	Normalizing 880~940℃ Air Cooling	460~580	≥280	Longitudinal, ≥23; Transverse, ≥21	t > 30, Transverse 27
40＜t≤60	Normalizing 880~940℃ Air Cooling	460~580	≥270	Longitudinal, ≥23; Transverse, ≥21	Transverse 27

PH29 Corresponding Standards(Same grade name, different standards)

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