Steel pipe knowledge: Seamless steel pipe implementation standards / specifications / use / product type

Product Category Main Material Execution Standard (Seamless Steel Pipe Standard) Specification Range (Seamless Steel Pipe Specification) Purpose Structural Pipe 10#, 20#, 35#, 45#,
16Mn,Q345 GB/T8162-1999 $6-610*1.5-40 General Structure Fluid Tube 20#, Q345 GB/T8163-1999 16-824*2-65 Fluid Transport Low and Medium Pressure Boiler Tube 10#, 20# GB3087- 1999 $10-426*2-40 Low and medium pressure boiler overheating pipe, boiling water pipe, locomotive size high-pressure seamless pipe for fertilizer and fertilizer equipment 20#, 16Mn, Q345 GB6479-2000 $25-426*6-40 Fertilizer equipment, pipeline Seamless steel pipe oil cracking pipe 20#
12CrMo
15CrMo GB9948-88 $10-530*1.5-36 Furnace Pipe, Heat Exchange Pipe, Pipeline Seamless Pipe High Pressure Boiler Tube 20G, SA106c
ST45.8/3 GB5310-95
ASTMA106-99
DIN17175-79 $8-610*1.5-40 High-Temperature Boiler Heat Resistant Seamless Steel Pipe Alloy Cr5Mo. (P5.STFA25.T5)
15CrMo(P11,P12,STFA22) 13CrMo44
12Cr1MoV
P22 (10CrMo910)
T91,P92,P9,T9
WB36 GB5310-95
GB9948-88
ASTMA335/A335M
DIN17175-79
DIN17458-88
JISG3467-88
JISG3458-88 $16-824*2-100 High pressure resistant oil, chemical power, boiler industry,
High Temperature, Low Temperature Corrosion Resistant Seamless Steel Pipeline Pipe Grade B API $60-610*1.5-40 Oil, Natural Gas, Industrial Transmission Gas, Water, Oil Hydraulic Pillar Pipe 27SiMn GB/T17396-1998 $70-377*9-40 Hydraulic support

Transparent Roller Shutter Door

Material: polycarbonate (PC bulletproof plastic)

Using aluminum profiles for door connection piece, two-layer structure , special design ,embedded into the door sheet. Simple and elegant, strong resistance to stress.

The base is made of aluminum alloy, special design, corrosion-resistant simple and aesthetic.

Mute track is made of aluminum alloy, dual-slot design, the mute material can be embedded into the slot, and creating a quiet environment.

Control system : 24V DC , mute operation, safe and reliable , durable and long life . In the case of obstacles ,doors rebound or stop automatically stop during opening and closing process.

Door opening and closing process, lighting and delaying three minutes automatically ; users can switch to manual option when power failure, uninterruptible power supply . Please contact with our technical department for particular requirements.

Transparent Roller Shutter Door,Transparent Curtain Roller Shutter Door,Commercial Transparent Roller Shutter Door,Polycarbonate Transparent Roller Shutter Door

Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfhighspeeddoor.com