-70°C Tank（09MnNiDR）

Application > -70°C Tank（09MnNiDR）

-70°C Tank（09MnNiDR）

product details

1 Main use

09MnNiDR steel is pure, with good plasticity and welding performance, excellent low temperature impact toughness. Used in the manufacture of cryogenic pressure vessel storage tanks with a minimum service temperature of -70 °C.

2 grades and standards

Product grade: 09MnNiDR

Executive standard: GB3531-2008

3 Technical conditions of supply

3.1 Product Specifications

10～80×1500～4000×L;

3.2 Chemical composition

Table 1 Chemical composition, %

牌号	C≤	Si	Mn	Ni	Nb≤	P≤	S≤	Alt≥
09MnNiDR	0.12	0.15～0.50	1.20～1.60	0.30～0.80	0.04	0.020	0.012	0.020

3.3 Mechanical properties

Table 2 Mechanical properties

牌号	规格，mm	σb,MPa	σs,MPa	δ5,%	AKV, J，横向	180°弯曲试验弯心直径（b≥35mm）
			不小于
09MnNiDR	6～16	440～570	300	23	34(-70℃)	d=2a
	＞16～36	430～560	280
	＞36～60	430～560	270
	＞60～80	420～550	260