Steel-making

Seamless steel tube

oil cracking pipes

Application：

Widely used in themanufacture of structural parts and mechanical parts, such as oil drill pipe,automobile transmission shaft, bicycle frame and steel scaffolding used inconstruction.

Suitable for use in boiler,heat exchanger tubes and pipes for petroleum and refining plants.

Grade：

10、20、15CrMo、12Cr2Mo、12CrMo(ect)

Mechanical Property

Grade	Tensile Strength (Mpa)	Yield Strength （MPa）	Elongation Vertical （%）	Elongation Horizontal （%）	Impact Energy Vertical （KV₂/J）	Impact Energy Horizontal （KV₂/J）	Hardness （HB）
10	410～475	≥205	≥25	≥23	≥40	≥27
20	410～550	≥245	≥24	≥22	≥40	≥27
15CrMo	440～640	≥295	≥21	≥19	≥40	≥27	≤170HBW
12CrMo	410～560	≥205	≥21	≥19	≥40	≥27	≤156HBW
12Cr2Mo	450～600	≥280	≥22	≥20	≥40	≥27	≤163HBW

Chemical Composition

Grande	Chemical Composition%
	C	Si	Mn	Cr	Mo	Ni	V	Cu	P	S
	C	Si	Mn	Cr	Mo	Ni	V	Cu	≤
10	0.07~0.13	0.17~0.37	0.35~0.65	≤0.15	≤0.15	≤0.25	≤0.08	≤0.20	0.025	0.015
20	0.17~0.23	0.17~0.37	0.35~0.65	≤0.25	≤0.15	≤0.25	≤0.08	≤0.20	0.025	0.015
12CrMo	0.08~0.15	0.17~0.37	0.40~0.70	0.40~0.70	0.40~0.55	≤0.30	/	≤0.20	0.025	0.015
15CrMo	0.12~0.18	0.17~0.37	0.40~0.70	0.80~1.10	0.40~0.55	≤0.30	/	≤0.20	0.025	0.015

Product outline

Product specification

Steel-making

Seamless steel tube

oil cracking pipes