Standard No.:	GB/T 33084-2016
Chinese Name:	大型合金结构钢锻件 技术条件
English Name:	Heavy alloy structural steel forgings—Technical specification
Professional Classification:	J32 Forging and pressing
ICS Classification:	77.140.85 Iron and steel forgings
Issued by:
Issued on:	2016-10-13
Implemented on:	2017-05-01
Status:	VALID
Language:	English
File Format:	PDF
Word Count:	10000 words
Price(USD):	300 (USD)
Delivery:	via email in 1-3 business day

1 Scope

This standard specifies the order requirements, manufacturing process, technical requirements, inspection rules, test methods, acceptance, quality certificate, marking and packaging etc. of alloy structural steel forgings.

This standard applies to the order, manufacturing and inspection of heavy alloy structural steel forgings for general use.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 223 (all parts) Methods for chemical analysis of iron, steel and alloy
GB/T 228.1 Metallic materials - Tensile testing - Part 1: Method of test at room temperature (GB/T 228.1-2010, ISO 6892-1:2009, MOD)
GB/T 229 Metallic materials - Charpy pendulum impact test method (GB/T 229-2007, ISO 148-1:2006, MOD)
GB/T 231.1 Metallic materials - Brinell hardness test - Part 1: Test method (GB/T 231.1-2009, ISO 6506-1:2005, MOD)

3 Order requirements

3.1 The purchaser shall specify the name, grade, material designation, delivery state, and supply quantity of forgings in the order contract.

3.2 The purchaser shall provide the order drawing.

3.3 When the purchaser has additional requirement, it shall be agreed between both parties.

4 Manufacturing process

4.1 Smelting

Steel used for forgings shall be smelted in basic electric furnace. As agreed by the purchaser, other smelting method ensuring the quality may also be adopted.