gogogo高清免费播放,日韩 无码 偷拍 中文字幕,好爽...又高潮了毛片,欧美24videossex性欧美

Hotline:+86 0635-887779

PRODUCTS

PRODUCTS

Home - PRODUCTS - PRODUCTS

Boiler tube

Boiler tube

"standard

China National Standard

GB/T 3087, GB/T 5310, GB/T 6479, GB/T 9948, GB/T 13296

Japanese Industrial Standard

JIS G 3456, JIS G 3461, JIS G 3462

"use

For boiler water wall, economizer, reheater, superheater and steam pipe manufacturing

》Production specifications and materials

Specifications: 20--356×4--70

Material: 10, 20, 20G, 20MnG, 25MnG, 12CrMo, 12CrMoG, 15CrMo, 15CrMoG, 1Cr5Mo, 12CrMoVG, 12Cr1MoVG, 16Mn, 15MnV, 10MnWVNb, 12Cr2MO, 12SiMoVNb, etc.

》Steel pipe manufacturing method:

Hot rolled or cold drawn (rolled).

"delivery status:

GB/T3087 delivery status

1. Hot-rolled steel pipes should be delivered in a hot-rolled condition or normalized condition.

2. Cold drawn (rolled) steel pipes shall be delivered in normalized condition.

GB/T5310, GB/T9948, GB/T647 steel pipes should be delivered in heat treatment

主站蜘蛛池模板: 黄山市| 嘉祥县| 惠东县| 金昌市| 汾阳市| 瓦房店市| 桃园市| 罗甸县| 无为县| 永年县| 南溪县| 扎鲁特旗| 四会市| 家居| 桐城市| 连城县| 澎湖县| 玛沁县| 宿迁市| 平度市| 揭东县| 洛川县| 张北县| 吉木萨尔县| 钟祥市| 越西县| 博湖县| 莫力| 阳泉市| 普兰县| 花莲县| 云阳县| 曲松县| 东乌珠穆沁旗| 乌海市| 阿拉善左旗| 厦门市| 无锡市| 明星| 赤城县| 垫江县|