Tianjin Haigang Steel Coil

Service first, quality assured. More dedicated and focused on crafting even better boards.

2021

Carbon steel’s heat resistance and overburning temperature

Serial number	Carbon content %	Maximum heat resistance temperature Celsius	Theoretical overburning temperature Celsius
1	0.1	1350	1490
2	0.2	1320	1470
3	0.5	1250	1350
4	0.7	1180	1280
5	0.9	1120	1220
6	1.1	1080	1180
7	1.5	1050	1140

Galvanized strip steel

Main performance characteristics of thermal insulation materials

The effect of silicon content on the zinc coating

Main performance characteristics of thermal insulation materials

The effect of silicon content on the zinc coating

Haigang Steel Coil and HaiGang YunYi wish you all a happy new year!

2026-02-16

Haigang Steel Coil and Haigang Cloud Wing warmly congratulate our motherland on its 76th birthday!

2025-10-01

Tianjin Haigang Steel Coil Co., Ltd. has been awarded the "AAA-Level Well-Known Trademark Brand" certification!

2025-05-14

Warmly congratulate Tianjin Haigang Steel Coil Co., Ltd. on being ranked 91st among the Top 100 Private Enterprises in Tianjin for 2024 in terms of operating revenue!

2024-11-21

Good news: Tianjin Haigang Steel Coil Co., Ltd. has been ranked 10th on the "Top 100 Strategic Emerging Industries" list of Tianjin City!

2024-11-21

We primarily produce various products including galvanized strip steel, pickled strip steel, and cold-rolled strip steel. These products are widely used in industries such as construction, mechanical manufacturing, automotive, and household appliances.

Contact Information

Company address:

Shuangtang High-end Hardware Products Industrial Park, Jinghai District, Tianjin City

Contact phone number:

(86-22) 68778999/ 68508999

Corporate email:
tjhaigang@tjhaigang.com

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